]> git.kernelconcepts.de Git - karo-tx-linux.git/blobdiff - drivers/gpu/drm/i915/intel_display.c
Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm...
[karo-tx-linux.git] / drivers / gpu / drm / i915 / intel_display.c
index 56746dcac40f116fe58c25e648ee9887a0f63a39..5fb305840db89ecd80b5cd42b69ff9c35dd9432b 100644 (file)
@@ -45,18 +45,6 @@ bool intel_pipe_has_type(struct drm_crtc *crtc, int type);
 static void intel_increase_pllclock(struct drm_crtc *crtc);
 static void intel_crtc_update_cursor(struct drm_crtc *crtc, bool on);
 
-typedef struct {
-       /* given values */
-       int n;
-       int m1, m2;
-       int p1, p2;
-       /* derived values */
-       int     dot;
-       int     vco;
-       int     m;
-       int     p;
-} intel_clock_t;
-
 typedef struct {
        int     min, max;
 } intel_range_t;
@@ -71,24 +59,6 @@ typedef struct intel_limit intel_limit_t;
 struct intel_limit {
        intel_range_t   dot, vco, n, m, m1, m2, p, p1;
        intel_p2_t          p2;
-       /**
-        * find_pll() - Find the best values for the PLL
-        * @limit: limits for the PLL
-        * @crtc: current CRTC
-        * @target: target frequency in kHz
-        * @refclk: reference clock frequency in kHz
-        * @match_clock: if provided, @best_clock P divider must
-        *               match the P divider from @match_clock
-        *               used for LVDS downclocking
-        * @best_clock: best PLL values found
-        *
-        * Returns true on success, false on failure.
-        */
-       bool (*find_pll)(const intel_limit_t *limit,
-                        struct drm_crtc *crtc,
-                        int target, int refclk,
-                        intel_clock_t *match_clock,
-                        intel_clock_t *best_clock);
 };
 
 /* FDI */
@@ -104,29 +74,6 @@ intel_pch_rawclk(struct drm_device *dev)
        return I915_READ(PCH_RAWCLK_FREQ) & RAWCLK_FREQ_MASK;
 }
 
-static bool
-intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
-                   int target, int refclk, intel_clock_t *match_clock,
-                   intel_clock_t *best_clock);
-static bool
-intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
-                       int target, int refclk, intel_clock_t *match_clock,
-                       intel_clock_t *best_clock);
-
-static bool
-intel_find_pll_g4x_dp(const intel_limit_t *, struct drm_crtc *crtc,
-                     int target, int refclk, intel_clock_t *match_clock,
-                     intel_clock_t *best_clock);
-static bool
-intel_find_pll_ironlake_dp(const intel_limit_t *, struct drm_crtc *crtc,
-                          int target, int refclk, intel_clock_t *match_clock,
-                          intel_clock_t *best_clock);
-
-static bool
-intel_vlv_find_best_pll(const intel_limit_t *limit, struct drm_crtc *crtc,
-                       int target, int refclk, intel_clock_t *match_clock,
-                       intel_clock_t *best_clock);
-
 static inline u32 /* units of 100MHz */
 intel_fdi_link_freq(struct drm_device *dev)
 {
@@ -148,7 +95,6 @@ static const intel_limit_t intel_limits_i8xx_dvo = {
        .p1 = { .min = 2, .max = 33 },
        .p2 = { .dot_limit = 165000,
                .p2_slow = 4, .p2_fast = 2 },
-       .find_pll = intel_find_best_PLL,
 };
 
 static const intel_limit_t intel_limits_i8xx_lvds = {
@@ -162,7 +108,6 @@ static const intel_limit_t intel_limits_i8xx_lvds = {
        .p1 = { .min = 1, .max = 6 },
        .p2 = { .dot_limit = 165000,
                .p2_slow = 14, .p2_fast = 7 },
-       .find_pll = intel_find_best_PLL,
 };
 
 static const intel_limit_t intel_limits_i9xx_sdvo = {
@@ -176,7 +121,6 @@ static const intel_limit_t intel_limits_i9xx_sdvo = {
        .p1 = { .min = 1, .max = 8 },
        .p2 = { .dot_limit = 200000,
                .p2_slow = 10, .p2_fast = 5 },
-       .find_pll = intel_find_best_PLL,
 };
 
 static const intel_limit_t intel_limits_i9xx_lvds = {
@@ -190,7 +134,6 @@ static const intel_limit_t intel_limits_i9xx_lvds = {
        .p1 = { .min = 1, .max = 8 },
        .p2 = { .dot_limit = 112000,
                .p2_slow = 14, .p2_fast = 7 },
-       .find_pll = intel_find_best_PLL,
 };
 
 
@@ -207,7 +150,6 @@ static const intel_limit_t intel_limits_g4x_sdvo = {
                .p2_slow = 10,
                .p2_fast = 10
        },
-       .find_pll = intel_g4x_find_best_PLL,
 };
 
 static const intel_limit_t intel_limits_g4x_hdmi = {
@@ -221,7 +163,6 @@ static const intel_limit_t intel_limits_g4x_hdmi = {
        .p1 = { .min = 1, .max = 8},
        .p2 = { .dot_limit = 165000,
                .p2_slow = 10, .p2_fast = 5 },
-       .find_pll = intel_g4x_find_best_PLL,
 };
 
 static const intel_limit_t intel_limits_g4x_single_channel_lvds = {
@@ -236,7 +177,6 @@ static const intel_limit_t intel_limits_g4x_single_channel_lvds = {
        .p2 = { .dot_limit = 0,
                .p2_slow = 14, .p2_fast = 14
        },
-       .find_pll = intel_g4x_find_best_PLL,
 };
 
 static const intel_limit_t intel_limits_g4x_dual_channel_lvds = {
@@ -251,21 +191,6 @@ static const intel_limit_t intel_limits_g4x_dual_channel_lvds = {
        .p2 = { .dot_limit = 0,
                .p2_slow = 7, .p2_fast = 7
        },
-       .find_pll = intel_g4x_find_best_PLL,
-};
-
-static const intel_limit_t intel_limits_g4x_display_port = {
-       .dot = { .min = 161670, .max = 227000 },
-       .vco = { .min = 1750000, .max = 3500000},
-       .n = { .min = 1, .max = 2 },
-       .m = { .min = 97, .max = 108 },
-       .m1 = { .min = 0x10, .max = 0x12 },
-       .m2 = { .min = 0x05, .max = 0x06 },
-       .p = { .min = 10, .max = 20 },
-       .p1 = { .min = 1, .max = 2},
-       .p2 = { .dot_limit = 0,
-               .p2_slow = 10, .p2_fast = 10 },
-       .find_pll = intel_find_pll_g4x_dp,
 };
 
 static const intel_limit_t intel_limits_pineview_sdvo = {
@@ -281,7 +206,6 @@ static const intel_limit_t intel_limits_pineview_sdvo = {
        .p1 = { .min = 1, .max = 8 },
        .p2 = { .dot_limit = 200000,
                .p2_slow = 10, .p2_fast = 5 },
-       .find_pll = intel_find_best_PLL,
 };
 
 static const intel_limit_t intel_limits_pineview_lvds = {
@@ -295,7 +219,6 @@ static const intel_limit_t intel_limits_pineview_lvds = {
        .p1 = { .min = 1, .max = 8 },
        .p2 = { .dot_limit = 112000,
                .p2_slow = 14, .p2_fast = 14 },
-       .find_pll = intel_find_best_PLL,
 };
 
 /* Ironlake / Sandybridge
@@ -314,7 +237,6 @@ static const intel_limit_t intel_limits_ironlake_dac = {
        .p1 = { .min = 1, .max = 8 },
        .p2 = { .dot_limit = 225000,
                .p2_slow = 10, .p2_fast = 5 },
-       .find_pll = intel_g4x_find_best_PLL,
 };
 
 static const intel_limit_t intel_limits_ironlake_single_lvds = {
@@ -328,7 +250,6 @@ static const intel_limit_t intel_limits_ironlake_single_lvds = {
        .p1 = { .min = 2, .max = 8 },
        .p2 = { .dot_limit = 225000,
                .p2_slow = 14, .p2_fast = 14 },
-       .find_pll = intel_g4x_find_best_PLL,
 };
 
 static const intel_limit_t intel_limits_ironlake_dual_lvds = {
@@ -342,7 +263,6 @@ static const intel_limit_t intel_limits_ironlake_dual_lvds = {
        .p1 = { .min = 2, .max = 8 },
        .p2 = { .dot_limit = 225000,
                .p2_slow = 7, .p2_fast = 7 },
-       .find_pll = intel_g4x_find_best_PLL,
 };
 
 /* LVDS 100mhz refclk limits. */
@@ -357,7 +277,6 @@ static const intel_limit_t intel_limits_ironlake_single_lvds_100m = {
        .p1 = { .min = 2, .max = 8 },
        .p2 = { .dot_limit = 225000,
                .p2_slow = 14, .p2_fast = 14 },
-       .find_pll = intel_g4x_find_best_PLL,
 };
 
 static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = {
@@ -371,21 +290,6 @@ static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = {
        .p1 = { .min = 2, .max = 6 },
        .p2 = { .dot_limit = 225000,
                .p2_slow = 7, .p2_fast = 7 },
-       .find_pll = intel_g4x_find_best_PLL,
-};
-
-static const intel_limit_t intel_limits_ironlake_display_port = {
-       .dot = { .min = 25000, .max = 350000 },
-       .vco = { .min = 1760000, .max = 3510000},
-       .n = { .min = 1, .max = 2 },
-       .m = { .min = 81, .max = 90 },
-       .m1 = { .min = 12, .max = 22 },
-       .m2 = { .min = 5, .max = 9 },
-       .p = { .min = 10, .max = 20 },
-       .p1 = { .min = 1, .max = 2},
-       .p2 = { .dot_limit = 0,
-               .p2_slow = 10, .p2_fast = 10 },
-       .find_pll = intel_find_pll_ironlake_dp,
 };
 
 static const intel_limit_t intel_limits_vlv_dac = {
@@ -396,15 +300,14 @@ static const intel_limit_t intel_limits_vlv_dac = {
        .m1 = { .min = 2, .max = 3 },
        .m2 = { .min = 11, .max = 156 },
        .p = { .min = 10, .max = 30 },
-       .p1 = { .min = 2, .max = 3 },
+       .p1 = { .min = 1, .max = 3 },
        .p2 = { .dot_limit = 270000,
                .p2_slow = 2, .p2_fast = 20 },
-       .find_pll = intel_vlv_find_best_pll,
 };
 
 static const intel_limit_t intel_limits_vlv_hdmi = {
-       .dot = { .min = 20000, .max = 165000 },
-       .vco = { .min = 4000000, .max = 5994000},
+       .dot = { .min = 25000, .max = 270000 },
+       .vco = { .min = 4000000, .max = 6000000 },
        .n = { .min = 1, .max = 7 },
        .m = { .min = 60, .max = 300 }, /* guess */
        .m1 = { .min = 2, .max = 3 },
@@ -413,7 +316,6 @@ static const intel_limit_t intel_limits_vlv_hdmi = {
        .p1 = { .min = 2, .max = 3 },
        .p2 = { .dot_limit = 270000,
                .p2_slow = 2, .p2_fast = 20 },
-       .find_pll = intel_vlv_find_best_pll,
 };
 
 static const intel_limit_t intel_limits_vlv_dp = {
@@ -424,61 +326,11 @@ static const intel_limit_t intel_limits_vlv_dp = {
        .m1 = { .min = 2, .max = 3 },
        .m2 = { .min = 11, .max = 156 },
        .p = { .min = 10, .max = 30 },
-       .p1 = { .min = 2, .max = 3 },
+       .p1 = { .min = 1, .max = 3 },
        .p2 = { .dot_limit = 270000,
                .p2_slow = 2, .p2_fast = 20 },
-       .find_pll = intel_vlv_find_best_pll,
 };
 
-u32 intel_dpio_read(struct drm_i915_private *dev_priv, int reg)
-{
-       WARN_ON(!mutex_is_locked(&dev_priv->dpio_lock));
-
-       if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100)) {
-               DRM_ERROR("DPIO idle wait timed out\n");
-               return 0;
-       }
-
-       I915_WRITE(DPIO_REG, reg);
-       I915_WRITE(DPIO_PKT, DPIO_RID | DPIO_OP_READ | DPIO_PORTID |
-                  DPIO_BYTE);
-       if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100)) {
-               DRM_ERROR("DPIO read wait timed out\n");
-               return 0;
-       }
-
-       return I915_READ(DPIO_DATA);
-}
-
-static void intel_dpio_write(struct drm_i915_private *dev_priv, int reg,
-                            u32 val)
-{
-       WARN_ON(!mutex_is_locked(&dev_priv->dpio_lock));
-
-       if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100)) {
-               DRM_ERROR("DPIO idle wait timed out\n");
-               return;
-       }
-
-       I915_WRITE(DPIO_DATA, val);
-       I915_WRITE(DPIO_REG, reg);
-       I915_WRITE(DPIO_PKT, DPIO_RID | DPIO_OP_WRITE | DPIO_PORTID |
-                  DPIO_BYTE);
-       if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100))
-               DRM_ERROR("DPIO write wait timed out\n");
-}
-
-static void vlv_init_dpio(struct drm_device *dev)
-{
-       struct drm_i915_private *dev_priv = dev->dev_private;
-
-       /* Reset the DPIO config */
-       I915_WRITE(DPIO_CTL, 0);
-       POSTING_READ(DPIO_CTL);
-       I915_WRITE(DPIO_CTL, 1);
-       POSTING_READ(DPIO_CTL);
-}
-
 static const intel_limit_t *intel_ironlake_limit(struct drm_crtc *crtc,
                                                int refclk)
 {
@@ -497,10 +349,7 @@ static const intel_limit_t *intel_ironlake_limit(struct drm_crtc *crtc,
                        else
                                limit = &intel_limits_ironlake_single_lvds;
                }
-       } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) ||
-                  intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))
-               limit = &intel_limits_ironlake_display_port;
-       else
+       } else
                limit = &intel_limits_ironlake_dac;
 
        return limit;
@@ -521,8 +370,6 @@ static const intel_limit_t *intel_g4x_limit(struct drm_crtc *crtc)
                limit = &intel_limits_g4x_hdmi;
        } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO)) {
                limit = &intel_limits_g4x_sdvo;
-       } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) {
-               limit = &intel_limits_g4x_display_port;
        } else /* The option is for other outputs */
                limit = &intel_limits_i9xx_sdvo;
 
@@ -573,13 +420,14 @@ static void pineview_clock(int refclk, intel_clock_t *clock)
        clock->dot = clock->vco / clock->p;
 }
 
-static void intel_clock(struct drm_device *dev, int refclk, intel_clock_t *clock)
+static uint32_t i9xx_dpll_compute_m(struct dpll *dpll)
 {
-       if (IS_PINEVIEW(dev)) {
-               pineview_clock(refclk, clock);
-               return;
-       }
-       clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
+       return 5 * (dpll->m1 + 2) + (dpll->m2 + 2);
+}
+
+static void i9xx_clock(int refclk, intel_clock_t *clock)
+{
+       clock->m = i9xx_dpll_compute_m(clock);
        clock->p = clock->p1 * clock->p2;
        clock->vco = refclk * clock->m / (clock->n + 2);
        clock->dot = clock->vco / clock->p;
@@ -636,10 +484,9 @@ static bool intel_PLL_is_valid(struct drm_device *dev,
 }
 
 static bool
-intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
+i9xx_find_best_dpll(const intel_limit_t *limit, struct drm_crtc *crtc,
                    int target, int refclk, intel_clock_t *match_clock,
                    intel_clock_t *best_clock)
-
 {
        struct drm_device *dev = crtc->dev;
        intel_clock_t clock;
@@ -668,8 +515,7 @@ intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
             clock.m1++) {
                for (clock.m2 = limit->m2.min;
                     clock.m2 <= limit->m2.max; clock.m2++) {
-                       /* m1 is always 0 in Pineview */
-                       if (clock.m2 >= clock.m1 && !IS_PINEVIEW(dev))
+                       if (clock.m2 >= clock.m1)
                                break;
                        for (clock.n = limit->n.min;
                             clock.n <= limit->n.max; clock.n++) {
@@ -677,7 +523,66 @@ intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
                                        clock.p1 <= limit->p1.max; clock.p1++) {
                                        int this_err;
 
-                                       intel_clock(dev, refclk, &clock);
+                                       i9xx_clock(refclk, &clock);
+                                       if (!intel_PLL_is_valid(dev, limit,
+                                                               &clock))
+                                               continue;
+                                       if (match_clock &&
+                                           clock.p != match_clock->p)
+                                               continue;
+
+                                       this_err = abs(clock.dot - target);
+                                       if (this_err < err) {
+                                               *best_clock = clock;
+                                               err = this_err;
+                                       }
+                               }
+                       }
+               }
+       }
+
+       return (err != target);
+}
+
+static bool
+pnv_find_best_dpll(const intel_limit_t *limit, struct drm_crtc *crtc,
+                  int target, int refclk, intel_clock_t *match_clock,
+                  intel_clock_t *best_clock)
+{
+       struct drm_device *dev = crtc->dev;
+       intel_clock_t clock;
+       int err = target;
+
+       if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
+               /*
+                * For LVDS just rely on its current settings for dual-channel.
+                * We haven't figured out how to reliably set up different
+                * single/dual channel state, if we even can.
+                */
+               if (intel_is_dual_link_lvds(dev))
+                       clock.p2 = limit->p2.p2_fast;
+               else
+                       clock.p2 = limit->p2.p2_slow;
+       } else {
+               if (target < limit->p2.dot_limit)
+                       clock.p2 = limit->p2.p2_slow;
+               else
+                       clock.p2 = limit->p2.p2_fast;
+       }
+
+       memset(best_clock, 0, sizeof(*best_clock));
+
+       for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max;
+            clock.m1++) {
+               for (clock.m2 = limit->m2.min;
+                    clock.m2 <= limit->m2.max; clock.m2++) {
+                       for (clock.n = limit->n.min;
+                            clock.n <= limit->n.max; clock.n++) {
+                               for (clock.p1 = limit->p1.min;
+                                       clock.p1 <= limit->p1.max; clock.p1++) {
+                                       int this_err;
+
+                                       pineview_clock(refclk, &clock);
                                        if (!intel_PLL_is_valid(dev, limit,
                                                                &clock))
                                                continue;
@@ -699,9 +604,9 @@ intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
 }
 
 static bool
-intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
-                       int target, int refclk, intel_clock_t *match_clock,
-                       intel_clock_t *best_clock)
+g4x_find_best_dpll(const intel_limit_t *limit, struct drm_crtc *crtc,
+                  int target, int refclk, intel_clock_t *match_clock,
+                  intel_clock_t *best_clock)
 {
        struct drm_device *dev = crtc->dev;
        intel_clock_t clock;
@@ -712,12 +617,6 @@ intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
        found = false;
 
        if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
-               int lvds_reg;
-
-               if (HAS_PCH_SPLIT(dev))
-                       lvds_reg = PCH_LVDS;
-               else
-                       lvds_reg = LVDS;
                if (intel_is_dual_link_lvds(dev))
                        clock.p2 = limit->p2.p2_fast;
                else
@@ -742,13 +641,10 @@ intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
                                     clock.p1 >= limit->p1.min; clock.p1--) {
                                        int this_err;
 
-                                       intel_clock(dev, refclk, &clock);
+                                       i9xx_clock(refclk, &clock);
                                        if (!intel_PLL_is_valid(dev, limit,
                                                                &clock))
                                                continue;
-                                       if (match_clock &&
-                                           clock.p != match_clock->p)
-                                               continue;
 
                                        this_err = abs(clock.dot - target);
                                        if (this_err < err_most) {
@@ -765,62 +661,9 @@ intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
 }
 
 static bool
-intel_find_pll_ironlake_dp(const intel_limit_t *limit, struct drm_crtc *crtc,
-                          int target, int refclk, intel_clock_t *match_clock,
-                          intel_clock_t *best_clock)
-{
-       struct drm_device *dev = crtc->dev;
-       intel_clock_t clock;
-
-       if (target < 200000) {
-               clock.n = 1;
-               clock.p1 = 2;
-               clock.p2 = 10;
-               clock.m1 = 12;
-               clock.m2 = 9;
-       } else {
-               clock.n = 2;
-               clock.p1 = 1;
-               clock.p2 = 10;
-               clock.m1 = 14;
-               clock.m2 = 8;
-       }
-       intel_clock(dev, refclk, &clock);
-       memcpy(best_clock, &clock, sizeof(intel_clock_t));
-       return true;
-}
-
-/* DisplayPort has only two frequencies, 162MHz and 270MHz */
-static bool
-intel_find_pll_g4x_dp(const intel_limit_t *limit, struct drm_crtc *crtc,
-                     int target, int refclk, intel_clock_t *match_clock,
-                     intel_clock_t *best_clock)
-{
-       intel_clock_t clock;
-       if (target < 200000) {
-               clock.p1 = 2;
-               clock.p2 = 10;
-               clock.n = 2;
-               clock.m1 = 23;
-               clock.m2 = 8;
-       } else {
-               clock.p1 = 1;
-               clock.p2 = 10;
-               clock.n = 1;
-               clock.m1 = 14;
-               clock.m2 = 2;
-       }
-       clock.m = 5 * (clock.m1 + 2) + (clock.m2 + 2);
-       clock.p = (clock.p1 * clock.p2);
-       clock.dot = 96000 * clock.m / (clock.n + 2) / clock.p;
-       clock.vco = 0;
-       memcpy(best_clock, &clock, sizeof(intel_clock_t));
-       return true;
-}
-static bool
-intel_vlv_find_best_pll(const intel_limit_t *limit, struct drm_crtc *crtc,
-                       int target, int refclk, intel_clock_t *match_clock,
-                       intel_clock_t *best_clock)
+vlv_find_best_dpll(const intel_limit_t *limit, struct drm_crtc *crtc,
+                  int target, int refclk, intel_clock_t *match_clock,
+                  intel_clock_t *best_clock)
 {
        u32 p1, p2, m1, m2, vco, bestn, bestm1, bestm2, bestp1, bestp2;
        u32 m, n, fastclk;
@@ -1066,14 +909,24 @@ static void assert_pll(struct drm_i915_private *dev_priv,
 #define assert_pll_enabled(d, p) assert_pll(d, p, true)
 #define assert_pll_disabled(d, p) assert_pll(d, p, false)
 
+static struct intel_shared_dpll *
+intel_crtc_to_shared_dpll(struct intel_crtc *crtc)
+{
+       struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
+
+       if (crtc->config.shared_dpll < 0)
+               return NULL;
+
+       return &dev_priv->shared_dplls[crtc->config.shared_dpll];
+}
+
 /* For ILK+ */
-static void assert_pch_pll(struct drm_i915_private *dev_priv,
-                          struct intel_pch_pll *pll,
-                          struct intel_crtc *crtc,
-                          bool state)
+static void assert_shared_dpll(struct drm_i915_private *dev_priv,
+                              struct intel_shared_dpll *pll,
+                              bool state)
 {
-       u32 val;
        bool cur_state;
+       struct intel_dpll_hw_state hw_state;
 
        if (HAS_PCH_LPT(dev_priv->dev)) {
                DRM_DEBUG_DRIVER("LPT detected: skipping PCH PLL test\n");
@@ -1081,36 +934,16 @@ static void assert_pch_pll(struct drm_i915_private *dev_priv,
        }
 
        if (WARN (!pll,
-                 "asserting PCH PLL %s with no PLL\n", state_string(state)))
+                 "asserting DPLL %s with no DPLL\n", state_string(state)))
                return;
 
-       val = I915_READ(pll->pll_reg);
-       cur_state = !!(val & DPLL_VCO_ENABLE);
+       cur_state = pll->get_hw_state(dev_priv, pll, &hw_state);
        WARN(cur_state != state,
-            "PCH PLL state for reg %x assertion failure (expected %s, current %s), val=%08x\n",
-            pll->pll_reg, state_string(state), state_string(cur_state), val);
-
-       /* Make sure the selected PLL is correctly attached to the transcoder */
-       if (crtc && HAS_PCH_CPT(dev_priv->dev)) {
-               u32 pch_dpll;
-
-               pch_dpll = I915_READ(PCH_DPLL_SEL);
-               cur_state = pll->pll_reg == _PCH_DPLL_B;
-               if (!WARN(((pch_dpll >> (4 * crtc->pipe)) & 1) != cur_state,
-                         "PLL[%d] not attached to this transcoder %d: %08x\n",
-                         cur_state, crtc->pipe, pch_dpll)) {
-                       cur_state = !!(val >> (4*crtc->pipe + 3));
-                       WARN(cur_state != state,
-                            "PLL[%d] not %s on this transcoder %d: %08x\n",
-                            pll->pll_reg == _PCH_DPLL_B,
-                            state_string(state),
-                            crtc->pipe,
-                            val);
-               }
-       }
+            "%s assertion failure (expected %s, current %s)\n",
+            pll->name, state_string(state), state_string(cur_state));
 }
-#define assert_pch_pll_enabled(d, p, c) assert_pch_pll(d, p, c, true)
-#define assert_pch_pll_disabled(d, p, c) assert_pch_pll(d, p, c, false)
+#define assert_shared_dpll_enabled(d, p) assert_shared_dpll(d, p, true)
+#define assert_shared_dpll_disabled(d, p) assert_shared_dpll(d, p, false)
 
 static void assert_fdi_tx(struct drm_i915_private *dev_priv,
                          enum pipe pipe, bool state)
@@ -1227,8 +1060,8 @@ void assert_pipe(struct drm_i915_private *dev_priv,
        if (pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE)
                state = true;
 
-       if (!intel_using_power_well(dev_priv->dev) &&
-           cpu_transcoder != TRANSCODER_EDP) {
+       if (!intel_display_power_enabled(dev_priv->dev,
+                               POWER_DOMAIN_TRANSCODER(cpu_transcoder))) {
                cur_state = false;
        } else {
                reg = PIPECONF(cpu_transcoder);
@@ -1262,12 +1095,13 @@ static void assert_plane(struct drm_i915_private *dev_priv,
 static void assert_planes_disabled(struct drm_i915_private *dev_priv,
                                   enum pipe pipe)
 {
+       struct drm_device *dev = dev_priv->dev;
        int reg, i;
        u32 val;
        int cur_pipe;
 
-       /* Planes are fixed to pipes on ILK+ */
-       if (HAS_PCH_SPLIT(dev_priv->dev) || IS_VALLEYVIEW(dev_priv->dev)) {
+       /* Primary planes are fixed to pipes on gen4+ */
+       if (INTEL_INFO(dev)->gen >= 4) {
                reg = DSPCNTR(pipe);
                val = I915_READ(reg);
                WARN((val & DISPLAY_PLANE_ENABLE),
@@ -1277,7 +1111,7 @@ static void assert_planes_disabled(struct drm_i915_private *dev_priv,
        }
 
        /* Need to check both planes against the pipe */
-       for (i = 0; i < 2; i++) {
+       for (i = 0; i < INTEL_INFO(dev)->num_pipes; i++) {
                reg = DSPCNTR(i);
                val = I915_READ(reg);
                cur_pipe = (val & DISPPLANE_SEL_PIPE_MASK) >>
@@ -1291,19 +1125,30 @@ static void assert_planes_disabled(struct drm_i915_private *dev_priv,
 static void assert_sprites_disabled(struct drm_i915_private *dev_priv,
                                    enum pipe pipe)
 {
+       struct drm_device *dev = dev_priv->dev;
        int reg, i;
        u32 val;
 
-       if (!IS_VALLEYVIEW(dev_priv->dev))
-               return;
-
-       /* Need to check both planes against the pipe */
-       for (i = 0; i < dev_priv->num_plane; i++) {
-               reg = SPCNTR(pipe, i);
+       if (IS_VALLEYVIEW(dev)) {
+               for (i = 0; i < dev_priv->num_plane; i++) {
+                       reg = SPCNTR(pipe, i);
+                       val = I915_READ(reg);
+                       WARN((val & SP_ENABLE),
+                            "sprite %c assertion failure, should be off on pipe %c but is still active\n",
+                            sprite_name(pipe, i), pipe_name(pipe));
+               }
+       } else if (INTEL_INFO(dev)->gen >= 7) {
+               reg = SPRCTL(pipe);
                val = I915_READ(reg);
-               WARN((val & SP_ENABLE),
-                    "sprite %d assertion failure, should be off on pipe %c but is still active\n",
-                    pipe * 2 + i, pipe_name(pipe));
+               WARN((val & SPRITE_ENABLE),
+                    "sprite %c assertion failure, should be off on pipe %c but is still active\n",
+                    plane_name(pipe), pipe_name(pipe));
+       } else if (INTEL_INFO(dev)->gen >= 5) {
+               reg = DVSCNTR(pipe);
+               val = I915_READ(reg);
+               WARN((val & DVS_ENABLE),
+                    "sprite %c assertion failure, should be off on pipe %c but is still active\n",
+                    plane_name(pipe), pipe_name(pipe));
        }
 }
 
@@ -1323,14 +1168,14 @@ static void assert_pch_refclk_enabled(struct drm_i915_private *dev_priv)
        WARN(!enabled, "PCH refclk assertion failure, should be active but is disabled\n");
 }
 
-static void assert_transcoder_disabled(struct drm_i915_private *dev_priv,
-                                      enum pipe pipe)
+static void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv,
+                                          enum pipe pipe)
 {
        int reg;
        u32 val;
        bool enabled;
 
-       reg = TRANSCONF(pipe);
+       reg = PCH_TRANSCONF(pipe);
        val = I915_READ(reg);
        enabled = !!(val & TRANS_ENABLE);
        WARN(enabled,
@@ -1474,6 +1319,8 @@ static void intel_enable_pll(struct drm_i915_private *dev_priv, enum pipe pipe)
        int reg;
        u32 val;
 
+       assert_pipe_disabled(dev_priv, pipe);
+
        /* No really, not for ILK+ */
        BUG_ON(!IS_VALLEYVIEW(dev_priv->dev) && dev_priv->info->gen >= 5);
 
@@ -1525,156 +1372,86 @@ static void intel_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe)
        POSTING_READ(reg);
 }
 
-/* SBI access */
-static void
-intel_sbi_write(struct drm_i915_private *dev_priv, u16 reg, u32 value,
-               enum intel_sbi_destination destination)
-{
-       u32 tmp;
-
-       WARN_ON(!mutex_is_locked(&dev_priv->dpio_lock));
-
-       if (wait_for((I915_READ(SBI_CTL_STAT) & SBI_BUSY) == 0,
-                               100)) {
-               DRM_ERROR("timeout waiting for SBI to become ready\n");
-               return;
-       }
-
-       I915_WRITE(SBI_ADDR, (reg << 16));
-       I915_WRITE(SBI_DATA, value);
-
-       if (destination == SBI_ICLK)
-               tmp = SBI_CTL_DEST_ICLK | SBI_CTL_OP_CRWR;
-       else
-               tmp = SBI_CTL_DEST_MPHY | SBI_CTL_OP_IOWR;
-       I915_WRITE(SBI_CTL_STAT, SBI_BUSY | tmp);
-
-       if (wait_for((I915_READ(SBI_CTL_STAT) & (SBI_BUSY | SBI_RESPONSE_FAIL)) == 0,
-                               100)) {
-               DRM_ERROR("timeout waiting for SBI to complete write transaction\n");
-               return;
-       }
-}
-
-static u32
-intel_sbi_read(struct drm_i915_private *dev_priv, u16 reg,
-              enum intel_sbi_destination destination)
+void vlv_wait_port_ready(struct drm_i915_private *dev_priv, int port)
 {
-       u32 value = 0;
-       WARN_ON(!mutex_is_locked(&dev_priv->dpio_lock));
-
-       if (wait_for((I915_READ(SBI_CTL_STAT) & SBI_BUSY) == 0,
-                               100)) {
-               DRM_ERROR("timeout waiting for SBI to become ready\n");
-               return 0;
-       }
-
-       I915_WRITE(SBI_ADDR, (reg << 16));
+       u32 port_mask;
 
-       if (destination == SBI_ICLK)
-               value = SBI_CTL_DEST_ICLK | SBI_CTL_OP_CRRD;
+       if (!port)
+               port_mask = DPLL_PORTB_READY_MASK;
        else
-               value = SBI_CTL_DEST_MPHY | SBI_CTL_OP_IORD;
-       I915_WRITE(SBI_CTL_STAT, value | SBI_BUSY);
-
-       if (wait_for((I915_READ(SBI_CTL_STAT) & (SBI_BUSY | SBI_RESPONSE_FAIL)) == 0,
-                               100)) {
-               DRM_ERROR("timeout waiting for SBI to complete read transaction\n");
-               return 0;
-       }
+               port_mask = DPLL_PORTC_READY_MASK;
 
-       return I915_READ(SBI_DATA);
+       if (wait_for((I915_READ(DPLL(0)) & port_mask) == 0, 1000))
+               WARN(1, "timed out waiting for port %c ready: 0x%08x\n",
+                    'B' + port, I915_READ(DPLL(0)));
 }
 
 /**
- * ironlake_enable_pch_pll - enable PCH PLL
+ * ironlake_enable_shared_dpll - enable PCH PLL
  * @dev_priv: i915 private structure
  * @pipe: pipe PLL to enable
  *
  * The PCH PLL needs to be enabled before the PCH transcoder, since it
  * drives the transcoder clock.
  */
-static void ironlake_enable_pch_pll(struct intel_crtc *intel_crtc)
+static void ironlake_enable_shared_dpll(struct intel_crtc *crtc)
 {
-       struct drm_i915_private *dev_priv = intel_crtc->base.dev->dev_private;
-       struct intel_pch_pll *pll;
-       int reg;
-       u32 val;
+       struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
+       struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc);
 
        /* PCH PLLs only available on ILK, SNB and IVB */
        BUG_ON(dev_priv->info->gen < 5);
-       pll = intel_crtc->pch_pll;
-       if (pll == NULL)
+       if (WARN_ON(pll == NULL))
                return;
 
        if (WARN_ON(pll->refcount == 0))
                return;
 
-       DRM_DEBUG_KMS("enable PCH PLL %x (active %d, on? %d)for crtc %d\n",
-                     pll->pll_reg, pll->active, pll->on,
-                     intel_crtc->base.base.id);
+       DRM_DEBUG_KMS("enable %s (active %d, on? %d)for crtc %d\n",
+                     pll->name, pll->active, pll->on,
+                     crtc->base.base.id);
 
-       /* PCH refclock must be enabled first */
-       assert_pch_refclk_enabled(dev_priv);
-
-       if (pll->active++ && pll->on) {
-               assert_pch_pll_enabled(dev_priv, pll, NULL);
+       if (pll->active++) {
+               WARN_ON(!pll->on);
+               assert_shared_dpll_enabled(dev_priv, pll);
                return;
        }
+       WARN_ON(pll->on);
 
-       DRM_DEBUG_KMS("enabling PCH PLL %x\n", pll->pll_reg);
-
-       reg = pll->pll_reg;
-       val = I915_READ(reg);
-       val |= DPLL_VCO_ENABLE;
-       I915_WRITE(reg, val);
-       POSTING_READ(reg);
-       udelay(200);
-
+       DRM_DEBUG_KMS("enabling %s\n", pll->name);
+       pll->enable(dev_priv, pll);
        pll->on = true;
 }
 
-static void intel_disable_pch_pll(struct intel_crtc *intel_crtc)
+static void intel_disable_shared_dpll(struct intel_crtc *crtc)
 {
-       struct drm_i915_private *dev_priv = intel_crtc->base.dev->dev_private;
-       struct intel_pch_pll *pll = intel_crtc->pch_pll;
-       int reg;
-       u32 val;
+       struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
+       struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc);
 
        /* PCH only available on ILK+ */
        BUG_ON(dev_priv->info->gen < 5);
-       if (pll == NULL)
+       if (WARN_ON(pll == NULL))
               return;
 
        if (WARN_ON(pll->refcount == 0))
                return;
 
-       DRM_DEBUG_KMS("disable PCH PLL %x (active %d, on? %d) for crtc %d\n",
-                     pll->pll_reg, pll->active, pll->on,
-                     intel_crtc->base.base.id);
+       DRM_DEBUG_KMS("disable %s (active %d, on? %d) for crtc %d\n",
+                     pll->name, pll->active, pll->on,
+                     crtc->base.base.id);
 
        if (WARN_ON(pll->active == 0)) {
-               assert_pch_pll_disabled(dev_priv, pll, NULL);
+               assert_shared_dpll_disabled(dev_priv, pll);
                return;
        }
 
-       if (--pll->active) {
-               assert_pch_pll_enabled(dev_priv, pll, NULL);
+       assert_shared_dpll_enabled(dev_priv, pll);
+       WARN_ON(!pll->on);
+       if (--pll->active)
                return;
-       }
-
-       DRM_DEBUG_KMS("disabling PCH PLL %x\n", pll->pll_reg);
-
-       /* Make sure transcoder isn't still depending on us */
-       assert_transcoder_disabled(dev_priv, intel_crtc->pipe);
-
-       reg = pll->pll_reg;
-       val = I915_READ(reg);
-       val &= ~DPLL_VCO_ENABLE;
-       I915_WRITE(reg, val);
-       POSTING_READ(reg);
-       udelay(200);
 
+       DRM_DEBUG_KMS("disabling %s\n", pll->name);
+       pll->disable(dev_priv, pll);
        pll->on = false;
 }
 
@@ -1683,15 +1460,15 @@ static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv,
 {
        struct drm_device *dev = dev_priv->dev;
        struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
+       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        uint32_t reg, val, pipeconf_val;
 
        /* PCH only available on ILK+ */
        BUG_ON(dev_priv->info->gen < 5);
 
        /* Make sure PCH DPLL is enabled */
-       assert_pch_pll_enabled(dev_priv,
-                              to_intel_crtc(crtc)->pch_pll,
-                              to_intel_crtc(crtc));
+       assert_shared_dpll_enabled(dev_priv,
+                                  intel_crtc_to_shared_dpll(intel_crtc));
 
        /* FDI must be feeding us bits for PCH ports */
        assert_fdi_tx_enabled(dev_priv, pipe);
@@ -1706,7 +1483,7 @@ static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv,
                I915_WRITE(reg, val);
        }
 
-       reg = TRANSCONF(pipe);
+       reg = PCH_TRANSCONF(pipe);
        val = I915_READ(reg);
        pipeconf_val = I915_READ(PIPECONF(pipe));
 
@@ -1731,7 +1508,7 @@ static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv,
 
        I915_WRITE(reg, val | TRANS_ENABLE);
        if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100))
-               DRM_ERROR("failed to enable transcoder %d\n", pipe);
+               DRM_ERROR("failed to enable transcoder %c\n", pipe_name(pipe));
 }
 
 static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv,
@@ -1760,8 +1537,8 @@ static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv,
        else
                val |= TRANS_PROGRESSIVE;
 
-       I915_WRITE(TRANSCONF(TRANSCODER_A), val);
-       if (wait_for(I915_READ(_TRANSACONF) & TRANS_STATE_ENABLE, 100))
+       I915_WRITE(LPT_TRANSCONF, val);
+       if (wait_for(I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE, 100))
                DRM_ERROR("Failed to enable PCH transcoder\n");
 }
 
@@ -1778,13 +1555,13 @@ static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv,
        /* Ports must be off as well */
        assert_pch_ports_disabled(dev_priv, pipe);
 
-       reg = TRANSCONF(pipe);
+       reg = PCH_TRANSCONF(pipe);
        val = I915_READ(reg);
        val &= ~TRANS_ENABLE;
        I915_WRITE(reg, val);
        /* wait for PCH transcoder off, transcoder state */
        if (wait_for((I915_READ(reg) & TRANS_STATE_ENABLE) == 0, 50))
-               DRM_ERROR("failed to disable transcoder %d\n", pipe);
+               DRM_ERROR("failed to disable transcoder %c\n", pipe_name(pipe));
 
        if (!HAS_PCH_IBX(dev)) {
                /* Workaround: Clear the timing override chicken bit again. */
@@ -1799,11 +1576,11 @@ static void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv)
 {
        u32 val;
 
-       val = I915_READ(_TRANSACONF);
+       val = I915_READ(LPT_TRANSCONF);
        val &= ~TRANS_ENABLE;
-       I915_WRITE(_TRANSACONF, val);
+       I915_WRITE(LPT_TRANSCONF, val);
        /* wait for PCH transcoder off, transcoder state */
-       if (wait_for((I915_READ(_TRANSACONF) & TRANS_STATE_ENABLE) == 0, 50))
+       if (wait_for((I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE) == 0, 50))
                DRM_ERROR("Failed to disable PCH transcoder\n");
 
        /* Workaround: clear timing override bit. */
@@ -1835,6 +1612,9 @@ static void intel_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe,
        int reg;
        u32 val;
 
+       assert_planes_disabled(dev_priv, pipe);
+       assert_sprites_disabled(dev_priv, pipe);
+
        if (HAS_PCH_LPT(dev_priv->dev))
                pch_transcoder = TRANSCODER_A;
        else
@@ -2096,7 +1876,7 @@ static int i9xx_update_plane(struct drm_crtc *crtc, struct drm_framebuffer *fb,
        case 1:
                break;
        default:
-               DRM_ERROR("Can't update plane %d in SAREA\n", plane);
+               DRM_ERROR("Can't update plane %c in SAREA\n", plane_name(plane));
                return -EINVAL;
        }
 
@@ -2145,6 +1925,9 @@ static int i9xx_update_plane(struct drm_crtc *crtc, struct drm_framebuffer *fb,
                        dspcntr &= ~DISPPLANE_TILED;
        }
 
+       if (IS_G4X(dev))
+               dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE;
+
        I915_WRITE(reg, dspcntr);
 
        linear_offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8);
@@ -2193,7 +1976,7 @@ static int ironlake_update_plane(struct drm_crtc *crtc,
        case 2:
                break;
        default:
-               DRM_ERROR("Can't update plane %d in SAREA\n", plane);
+               DRM_ERROR("Can't update plane %c in SAREA\n", plane_name(plane));
                return -EINVAL;
        }
 
@@ -2384,9 +2167,9 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
        }
 
        if (intel_crtc->plane > INTEL_INFO(dev)->num_pipes) {
-               DRM_ERROR("no plane for crtc: plane %d, num_pipes %d\n",
-                               intel_crtc->plane,
-                               INTEL_INFO(dev)->num_pipes);
+               DRM_ERROR("no plane for crtc: plane %c, num_pipes %d\n",
+                         plane_name(intel_crtc->plane),
+                         INTEL_INFO(dev)->num_pipes);
                return -EINVAL;
        }
 
@@ -2414,7 +2197,8 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
        crtc->y = y;
 
        if (old_fb) {
-               intel_wait_for_vblank(dev, intel_crtc->pipe);
+               if (intel_crtc->active && old_fb != fb)
+                       intel_wait_for_vblank(dev, intel_crtc->pipe);
                intel_unpin_fb_obj(to_intel_framebuffer(old_fb)->obj);
        }
 
@@ -2467,6 +2251,11 @@ static void intel_fdi_normal_train(struct drm_crtc *crtc)
                           FDI_FE_ERRC_ENABLE);
 }
 
+static bool pipe_has_enabled_pch(struct intel_crtc *intel_crtc)
+{
+       return intel_crtc->base.enabled && intel_crtc->config.has_pch_encoder;
+}
+
 static void ivb_modeset_global_resources(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -2476,10 +2265,13 @@ static void ivb_modeset_global_resources(struct drm_device *dev)
                to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_C]);
        uint32_t temp;
 
-       /* When everything is off disable fdi C so that we could enable fdi B
-        * with all lanes. XXX: This misses the case where a pipe is not using
-        * any pch resources and so doesn't need any fdi lanes. */
-       if (!pipe_B_crtc->base.enabled && !pipe_C_crtc->base.enabled) {
+       /*
+        * When everything is off disable fdi C so that we could enable fdi B
+        * with all lanes. Note that we don't care about enabled pipes without
+        * an enabled pch encoder.
+        */
+       if (!pipe_has_enabled_pch(pipe_B_crtc) &&
+           !pipe_has_enabled_pch(pipe_C_crtc)) {
                WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE);
                WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE);
 
@@ -2517,8 +2309,8 @@ static void ironlake_fdi_link_train(struct drm_crtc *crtc)
        /* enable CPU FDI TX and PCH FDI RX */
        reg = FDI_TX_CTL(pipe);
        temp = I915_READ(reg);
-       temp &= ~(7 << 19);
-       temp |= (intel_crtc->fdi_lanes - 1) << 19;
+       temp &= ~FDI_DP_PORT_WIDTH_MASK;
+       temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes);
        temp &= ~FDI_LINK_TRAIN_NONE;
        temp |= FDI_LINK_TRAIN_PATTERN_1;
        I915_WRITE(reg, temp | FDI_TX_ENABLE);
@@ -2615,8 +2407,8 @@ static void gen6_fdi_link_train(struct drm_crtc *crtc)
        /* enable CPU FDI TX and PCH FDI RX */
        reg = FDI_TX_CTL(pipe);
        temp = I915_READ(reg);
-       temp &= ~(7 << 19);
-       temp |= (intel_crtc->fdi_lanes - 1) << 19;
+       temp &= ~FDI_DP_PORT_WIDTH_MASK;
+       temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes);
        temp &= ~FDI_LINK_TRAIN_NONE;
        temp |= FDI_LINK_TRAIN_PATTERN_1;
        temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
@@ -2750,8 +2542,8 @@ static void ivb_manual_fdi_link_train(struct drm_crtc *crtc)
        /* enable CPU FDI TX and PCH FDI RX */
        reg = FDI_TX_CTL(pipe);
        temp = I915_READ(reg);
-       temp &= ~(7 << 19);
-       temp |= (intel_crtc->fdi_lanes - 1) << 19;
+       temp &= ~FDI_DP_PORT_WIDTH_MASK;
+       temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes);
        temp &= ~(FDI_LINK_TRAIN_AUTO | FDI_LINK_TRAIN_NONE_IVB);
        temp |= FDI_LINK_TRAIN_PATTERN_1_IVB;
        temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
@@ -2852,8 +2644,8 @@ static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc)
        /* enable PCH FDI RX PLL, wait warmup plus DMI latency */
        reg = FDI_RX_CTL(pipe);
        temp = I915_READ(reg);
-       temp &= ~((0x7 << 19) | (0x7 << 16));
-       temp |= (intel_crtc->fdi_lanes - 1) << 19;
+       temp &= ~(FDI_DP_PORT_WIDTH_MASK | (0x7 << 16));
+       temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes);
        temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11;
        I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE);
 
@@ -3085,6 +2877,30 @@ static void lpt_program_iclkip(struct drm_crtc *crtc)
        mutex_unlock(&dev_priv->dpio_lock);
 }
 
+static void ironlake_pch_transcoder_set_timings(struct intel_crtc *crtc,
+                                               enum pipe pch_transcoder)
+{
+       struct drm_device *dev = crtc->base.dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       enum transcoder cpu_transcoder = crtc->config.cpu_transcoder;
+
+       I915_WRITE(PCH_TRANS_HTOTAL(pch_transcoder),
+                  I915_READ(HTOTAL(cpu_transcoder)));
+       I915_WRITE(PCH_TRANS_HBLANK(pch_transcoder),
+                  I915_READ(HBLANK(cpu_transcoder)));
+       I915_WRITE(PCH_TRANS_HSYNC(pch_transcoder),
+                  I915_READ(HSYNC(cpu_transcoder)));
+
+       I915_WRITE(PCH_TRANS_VTOTAL(pch_transcoder),
+                  I915_READ(VTOTAL(cpu_transcoder)));
+       I915_WRITE(PCH_TRANS_VBLANK(pch_transcoder),
+                  I915_READ(VBLANK(cpu_transcoder)));
+       I915_WRITE(PCH_TRANS_VSYNC(pch_transcoder),
+                  I915_READ(VSYNC(cpu_transcoder)));
+       I915_WRITE(PCH_TRANS_VSYNCSHIFT(pch_transcoder),
+                  I915_READ(VSYNCSHIFT(cpu_transcoder)));
+}
+
 /*
  * Enable PCH resources required for PCH ports:
  *   - PCH PLLs
@@ -3101,7 +2917,7 @@ static void ironlake_pch_enable(struct drm_crtc *crtc)
        int pipe = intel_crtc->pipe;
        u32 reg, temp;
 
-       assert_transcoder_disabled(dev_priv, pipe);
+       assert_pch_transcoder_disabled(dev_priv, pipe);
 
        /* Write the TU size bits before fdi link training, so that error
         * detection works. */
@@ -3115,31 +2931,18 @@ static void ironlake_pch_enable(struct drm_crtc *crtc)
         * transcoder, and we actually should do this to not upset any PCH
         * transcoder that already use the clock when we share it.
         *
-        * Note that enable_pch_pll tries to do the right thing, but get_pch_pll
-        * unconditionally resets the pll - we need that to have the right LVDS
-        * enable sequence. */
-       ironlake_enable_pch_pll(intel_crtc);
+        * Note that enable_shared_dpll tries to do the right thing, but
+        * get_shared_dpll unconditionally resets the pll - we need that to have
+        * the right LVDS enable sequence. */
+       ironlake_enable_shared_dpll(intel_crtc);
 
        if (HAS_PCH_CPT(dev)) {
                u32 sel;
 
                temp = I915_READ(PCH_DPLL_SEL);
-               switch (pipe) {
-               default:
-               case 0:
-                       temp |= TRANSA_DPLL_ENABLE;
-                       sel = TRANSA_DPLLB_SEL;
-                       break;
-               case 1:
-                       temp |= TRANSB_DPLL_ENABLE;
-                       sel = TRANSB_DPLLB_SEL;
-                       break;
-               case 2:
-                       temp |= TRANSC_DPLL_ENABLE;
-                       sel = TRANSC_DPLLB_SEL;
-                       break;
-               }
-               if (intel_crtc->pch_pll->pll_reg == _PCH_DPLL_B)
+               temp |= TRANS_DPLL_ENABLE(pipe);
+               sel = TRANS_DPLLB_SEL(pipe);
+               if (intel_crtc->config.shared_dpll == DPLL_ID_PCH_PLL_B)
                        temp |= sel;
                else
                        temp &= ~sel;
@@ -3148,14 +2951,7 @@ static void ironlake_pch_enable(struct drm_crtc *crtc)
 
        /* set transcoder timing, panel must allow it */
        assert_panel_unlocked(dev_priv, pipe);
-       I915_WRITE(TRANS_HTOTAL(pipe), I915_READ(HTOTAL(pipe)));
-       I915_WRITE(TRANS_HBLANK(pipe), I915_READ(HBLANK(pipe)));
-       I915_WRITE(TRANS_HSYNC(pipe),  I915_READ(HSYNC(pipe)));
-
-       I915_WRITE(TRANS_VTOTAL(pipe), I915_READ(VTOTAL(pipe)));
-       I915_WRITE(TRANS_VBLANK(pipe), I915_READ(VBLANK(pipe)));
-       I915_WRITE(TRANS_VSYNC(pipe),  I915_READ(VSYNC(pipe)));
-       I915_WRITE(TRANS_VSYNCSHIFT(pipe),  I915_READ(VSYNCSHIFT(pipe)));
+       ironlake_pch_transcoder_set_timings(intel_crtc, pipe);
 
        intel_fdi_normal_train(crtc);
 
@@ -3205,86 +3001,82 @@ static void lpt_pch_enable(struct drm_crtc *crtc)
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder;
 
-       assert_transcoder_disabled(dev_priv, TRANSCODER_A);
+       assert_pch_transcoder_disabled(dev_priv, TRANSCODER_A);
 
        lpt_program_iclkip(crtc);
 
        /* Set transcoder timing. */
-       I915_WRITE(_TRANS_HTOTAL_A, I915_READ(HTOTAL(cpu_transcoder)));
-       I915_WRITE(_TRANS_HBLANK_A, I915_READ(HBLANK(cpu_transcoder)));
-       I915_WRITE(_TRANS_HSYNC_A,  I915_READ(HSYNC(cpu_transcoder)));
-
-       I915_WRITE(_TRANS_VTOTAL_A, I915_READ(VTOTAL(cpu_transcoder)));
-       I915_WRITE(_TRANS_VBLANK_A, I915_READ(VBLANK(cpu_transcoder)));
-       I915_WRITE(_TRANS_VSYNC_A,  I915_READ(VSYNC(cpu_transcoder)));
-       I915_WRITE(_TRANS_VSYNCSHIFT_A, I915_READ(VSYNCSHIFT(cpu_transcoder)));
+       ironlake_pch_transcoder_set_timings(intel_crtc, PIPE_A);
 
        lpt_enable_pch_transcoder(dev_priv, cpu_transcoder);
 }
 
-static void intel_put_pch_pll(struct intel_crtc *intel_crtc)
+static void intel_put_shared_dpll(struct intel_crtc *crtc)
 {
-       struct intel_pch_pll *pll = intel_crtc->pch_pll;
+       struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc);
 
        if (pll == NULL)
                return;
 
        if (pll->refcount == 0) {
-               WARN(1, "bad PCH PLL refcount\n");
+               WARN(1, "bad %s refcount\n", pll->name);
                return;
        }
 
-       --pll->refcount;
-       intel_crtc->pch_pll = NULL;
+       if (--pll->refcount == 0) {
+               WARN_ON(pll->on);
+               WARN_ON(pll->active);
+       }
+
+       crtc->config.shared_dpll = DPLL_ID_PRIVATE;
 }
 
-static struct intel_pch_pll *intel_get_pch_pll(struct intel_crtc *intel_crtc, u32 dpll, u32 fp)
+static struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc, u32 dpll, u32 fp)
 {
-       struct drm_i915_private *dev_priv = intel_crtc->base.dev->dev_private;
-       struct intel_pch_pll *pll;
-       int i;
+       struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
+       struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc);
+       enum intel_dpll_id i;
 
-       pll = intel_crtc->pch_pll;
        if (pll) {
-               DRM_DEBUG_KMS("CRTC:%d reusing existing PCH PLL %x\n",
-                             intel_crtc->base.base.id, pll->pll_reg);
-               goto prepare;
+               DRM_DEBUG_KMS("CRTC:%d dropping existing %s\n",
+                             crtc->base.base.id, pll->name);
+               intel_put_shared_dpll(crtc);
        }
 
        if (HAS_PCH_IBX(dev_priv->dev)) {
                /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */
-               i = intel_crtc->pipe;
-               pll = &dev_priv->pch_plls[i];
+               i = crtc->pipe;
+               pll = &dev_priv->shared_dplls[i];
 
-               DRM_DEBUG_KMS("CRTC:%d using pre-allocated PCH PLL %x\n",
-                             intel_crtc->base.base.id, pll->pll_reg);
+               DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n",
+                             crtc->base.base.id, pll->name);
 
                goto found;
        }
 
-       for (i = 0; i < dev_priv->num_pch_pll; i++) {
-               pll = &dev_priv->pch_plls[i];
+       for (i = 0; i < dev_priv->num_shared_dpll; i++) {
+               pll = &dev_priv->shared_dplls[i];
 
                /* Only want to check enabled timings first */
                if (pll->refcount == 0)
                        continue;
 
-               if (dpll == (I915_READ(pll->pll_reg) & 0x7fffffff) &&
-                   fp == I915_READ(pll->fp0_reg)) {
-                       DRM_DEBUG_KMS("CRTC:%d sharing existing PCH PLL %x (refcount %d, ative %d)\n",
-                                     intel_crtc->base.base.id,
-                                     pll->pll_reg, pll->refcount, pll->active);
+               if (dpll == (I915_READ(PCH_DPLL(pll->id)) & 0x7fffffff) &&
+                   fp == I915_READ(PCH_FP0(pll->id))) {
+                       DRM_DEBUG_KMS("CRTC:%d sharing existing %s (refcount %d, ative %d)\n",
+                                     crtc->base.base.id,
+                                     pll->name, pll->refcount, pll->active);
 
                        goto found;
                }
        }
 
        /* Ok no matching timings, maybe there's a free one? */
-       for (i = 0; i < dev_priv->num_pch_pll; i++) {
-               pll = &dev_priv->pch_plls[i];
+       for (i = 0; i < dev_priv->num_shared_dpll; i++) {
+               pll = &dev_priv->shared_dplls[i];
                if (pll->refcount == 0) {
-                       DRM_DEBUG_KMS("CRTC:%d allocated PCH PLL %x\n",
-                                     intel_crtc->base.base.id, pll->pll_reg);
+                       DRM_DEBUG_KMS("CRTC:%d allocated %s\n",
+                                     crtc->base.base.id, pll->name);
                        goto found;
                }
        }
@@ -3292,24 +3084,32 @@ static struct intel_pch_pll *intel_get_pch_pll(struct intel_crtc *intel_crtc, u3
        return NULL;
 
 found:
-       intel_crtc->pch_pll = pll;
-       pll->refcount++;
-       DRM_DEBUG_DRIVER("using pll %d for pipe %d\n", i, intel_crtc->pipe);
-prepare: /* separate function? */
-       DRM_DEBUG_DRIVER("switching PLL %x off\n", pll->pll_reg);
+       crtc->config.shared_dpll = i;
+       DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->name,
+                        pipe_name(crtc->pipe));
 
-       /* Wait for the clocks to stabilize before rewriting the regs */
-       I915_WRITE(pll->pll_reg, dpll & ~DPLL_VCO_ENABLE);
-       POSTING_READ(pll->pll_reg);
-       udelay(150);
+       if (pll->active == 0) {
+               memcpy(&pll->hw_state, &crtc->config.dpll_hw_state,
+                      sizeof(pll->hw_state));
+
+               DRM_DEBUG_DRIVER("setting up %s\n", pll->name);
+               WARN_ON(pll->on);
+               assert_shared_dpll_disabled(dev_priv, pll);
+
+               /* Wait for the clocks to stabilize before rewriting the regs */
+               I915_WRITE(PCH_DPLL(pll->id), dpll & ~DPLL_VCO_ENABLE);
+               POSTING_READ(PCH_DPLL(pll->id));
+               udelay(150);
+
+               I915_WRITE(PCH_FP0(pll->id), fp);
+               I915_WRITE(PCH_DPLL(pll->id), dpll & ~DPLL_VCO_ENABLE);
+       }
+       pll->refcount++;
 
-       I915_WRITE(pll->fp0_reg, fp);
-       I915_WRITE(pll->pll_reg, dpll & ~DPLL_VCO_ENABLE);
-       pll->on = false;
        return pll;
 }
 
-void intel_cpt_verify_modeset(struct drm_device *dev, int pipe)
+static void cpt_verify_modeset(struct drm_device *dev, int pipe)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
        int dslreg = PIPEDSL(pipe);
@@ -3319,26 +3119,73 @@ void intel_cpt_verify_modeset(struct drm_device *dev, int pipe)
        udelay(500);
        if (wait_for(I915_READ(dslreg) != temp, 5)) {
                if (wait_for(I915_READ(dslreg) != temp, 5))
-                       DRM_ERROR("mode set failed: pipe %d stuck\n", pipe);
+                       DRM_ERROR("mode set failed: pipe %c stuck\n", pipe_name(pipe));
        }
 }
 
-static void ironlake_crtc_enable(struct drm_crtc *crtc)
+static void ironlake_pfit_enable(struct intel_crtc *crtc)
 {
-       struct drm_device *dev = crtc->dev;
+       struct drm_device *dev = crtc->base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct intel_encoder *encoder;
-       int pipe = intel_crtc->pipe;
-       int plane = intel_crtc->plane;
-       u32 temp;
-
-       WARN_ON(!crtc->enabled);
+       int pipe = crtc->pipe;
 
-       if (intel_crtc->active)
-               return;
+       if (crtc->config.pch_pfit.size) {
+               /* Force use of hard-coded filter coefficients
+                * as some pre-programmed values are broken,
+                * e.g. x201.
+                */
+               if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev))
+                       I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 |
+                                                PF_PIPE_SEL_IVB(pipe));
+               else
+                       I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3);
+               I915_WRITE(PF_WIN_POS(pipe), crtc->config.pch_pfit.pos);
+               I915_WRITE(PF_WIN_SZ(pipe), crtc->config.pch_pfit.size);
+       }
+}
+
+static void intel_enable_planes(struct drm_crtc *crtc)
+{
+       struct drm_device *dev = crtc->dev;
+       enum pipe pipe = to_intel_crtc(crtc)->pipe;
+       struct intel_plane *intel_plane;
+
+       list_for_each_entry(intel_plane, &dev->mode_config.plane_list, base.head)
+               if (intel_plane->pipe == pipe)
+                       intel_plane_restore(&intel_plane->base);
+}
+
+static void intel_disable_planes(struct drm_crtc *crtc)
+{
+       struct drm_device *dev = crtc->dev;
+       enum pipe pipe = to_intel_crtc(crtc)->pipe;
+       struct intel_plane *intel_plane;
+
+       list_for_each_entry(intel_plane, &dev->mode_config.plane_list, base.head)
+               if (intel_plane->pipe == pipe)
+                       intel_plane_disable(&intel_plane->base);
+}
+
+static void ironlake_crtc_enable(struct drm_crtc *crtc)
+{
+       struct drm_device *dev = crtc->dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+       struct intel_encoder *encoder;
+       int pipe = intel_crtc->pipe;
+       int plane = intel_crtc->plane;
+       u32 temp;
+
+       WARN_ON(!crtc->enabled);
+
+       if (intel_crtc->active)
+               return;
 
        intel_crtc->active = true;
+
+       intel_set_cpu_fifo_underrun_reporting(dev, pipe, true);
+       intel_set_pch_fifo_underrun_reporting(dev, pipe, true);
+
        intel_update_watermarks(dev);
 
        if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
@@ -3362,22 +3209,7 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
                if (encoder->pre_enable)
                        encoder->pre_enable(encoder);
 
-       /* Enable panel fitting for LVDS */
-       if (dev_priv->pch_pf_size &&
-           (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) ||
-            intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) {
-               /* Force use of hard-coded filter coefficients
-                * as some pre-programmed values are broken,
-                * e.g. x201.
-                */
-               if (IS_IVYBRIDGE(dev))
-                       I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 |
-                                                PF_PIPE_SEL_IVB(pipe));
-               else
-                       I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3);
-               I915_WRITE(PF_WIN_POS(pipe), dev_priv->pch_pf_pos);
-               I915_WRITE(PF_WIN_SZ(pipe), dev_priv->pch_pf_size);
-       }
+       ironlake_pfit_enable(intel_crtc);
 
        /*
         * On ILK+ LUT must be loaded before the pipe is running but with
@@ -3388,6 +3220,8 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
        intel_enable_pipe(dev_priv, pipe,
                          intel_crtc->config.has_pch_encoder);
        intel_enable_plane(dev_priv, plane, pipe);
+       intel_enable_planes(crtc);
+       intel_crtc_update_cursor(crtc, true);
 
        if (intel_crtc->config.has_pch_encoder)
                ironlake_pch_enable(crtc);
@@ -3396,13 +3230,11 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
        intel_update_fbc(dev);
        mutex_unlock(&dev->struct_mutex);
 
-       intel_crtc_update_cursor(crtc, true);
-
        for_each_encoder_on_crtc(dev, crtc, encoder)
                encoder->enable(encoder);
 
        if (HAS_PCH_CPT(dev))
-               intel_cpt_verify_modeset(dev, intel_crtc->pipe);
+               cpt_verify_modeset(dev, intel_crtc->pipe);
 
        /*
         * There seems to be a race in PCH platform hw (at least on some
@@ -3415,6 +3247,42 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
        intel_wait_for_vblank(dev, intel_crtc->pipe);
 }
 
+/* IPS only exists on ULT machines and is tied to pipe A. */
+static bool hsw_crtc_supports_ips(struct intel_crtc *crtc)
+{
+       return HAS_IPS(crtc->base.dev) && crtc->pipe == PIPE_A;
+}
+
+static void hsw_enable_ips(struct intel_crtc *crtc)
+{
+       struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
+
+       if (!crtc->config.ips_enabled)
+               return;
+
+       /* We can only enable IPS after we enable a plane and wait for a vblank.
+        * We guarantee that the plane is enabled by calling intel_enable_ips
+        * only after intel_enable_plane. And intel_enable_plane already waits
+        * for a vblank, so all we need to do here is to enable the IPS bit. */
+       assert_plane_enabled(dev_priv, crtc->plane);
+       I915_WRITE(IPS_CTL, IPS_ENABLE);
+}
+
+static void hsw_disable_ips(struct intel_crtc *crtc)
+{
+       struct drm_device *dev = crtc->base.dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+
+       if (!crtc->config.ips_enabled)
+               return;
+
+       assert_plane_enabled(dev_priv, crtc->plane);
+       I915_WRITE(IPS_CTL, 0);
+
+       /* We need to wait for a vblank before we can disable the plane. */
+       intel_wait_for_vblank(dev, crtc->pipe);
+}
+
 static void haswell_crtc_enable(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
@@ -3430,6 +3298,11 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
                return;
 
        intel_crtc->active = true;
+
+       intel_set_cpu_fifo_underrun_reporting(dev, pipe, true);
+       if (intel_crtc->config.has_pch_encoder)
+               intel_set_pch_fifo_underrun_reporting(dev, TRANSCODER_A, true);
+
        intel_update_watermarks(dev);
 
        if (intel_crtc->config.has_pch_encoder)
@@ -3441,18 +3314,7 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
 
        intel_ddi_enable_pipe_clock(intel_crtc);
 
-       /* Enable panel fitting for eDP */
-       if (dev_priv->pch_pf_size &&
-           intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) {
-               /* Force use of hard-coded filter coefficients
-                * as some pre-programmed values are broken,
-                * e.g. x201.
-                */
-               I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 |
-                                        PF_PIPE_SEL_IVB(pipe));
-               I915_WRITE(PF_WIN_POS(pipe), dev_priv->pch_pf_pos);
-               I915_WRITE(PF_WIN_SZ(pipe), dev_priv->pch_pf_size);
-       }
+       ironlake_pfit_enable(intel_crtc);
 
        /*
         * On ILK+ LUT must be loaded before the pipe is running but with
@@ -3466,6 +3328,10 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
        intel_enable_pipe(dev_priv, pipe,
                          intel_crtc->config.has_pch_encoder);
        intel_enable_plane(dev_priv, plane, pipe);
+       intel_enable_planes(crtc);
+       intel_crtc_update_cursor(crtc, true);
+
+       hsw_enable_ips(intel_crtc);
 
        if (intel_crtc->config.has_pch_encoder)
                lpt_pch_enable(crtc);
@@ -3474,8 +3340,6 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
        intel_update_fbc(dev);
        mutex_unlock(&dev->struct_mutex);
 
-       intel_crtc_update_cursor(crtc, true);
-
        for_each_encoder_on_crtc(dev, crtc, encoder)
                encoder->enable(encoder);
 
@@ -3490,6 +3354,21 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
        intel_wait_for_vblank(dev, intel_crtc->pipe);
 }
 
+static void ironlake_pfit_disable(struct intel_crtc *crtc)
+{
+       struct drm_device *dev = crtc->base.dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       int pipe = crtc->pipe;
+
+       /* To avoid upsetting the power well on haswell only disable the pfit if
+        * it's in use. The hw state code will make sure we get this right. */
+       if (crtc->config.pch_pfit.size) {
+               I915_WRITE(PF_CTL(pipe), 0);
+               I915_WRITE(PF_WIN_POS(pipe), 0);
+               I915_WRITE(PF_WIN_SZ(pipe), 0);
+       }
+}
+
 static void ironlake_crtc_disable(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
@@ -3509,58 +3388,51 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
 
        intel_crtc_wait_for_pending_flips(crtc);
        drm_vblank_off(dev, pipe);
-       intel_crtc_update_cursor(crtc, false);
-
-       intel_disable_plane(dev_priv, plane, pipe);
 
        if (dev_priv->cfb_plane == plane)
                intel_disable_fbc(dev);
 
+       intel_crtc_update_cursor(crtc, false);
+       intel_disable_planes(crtc);
+       intel_disable_plane(dev_priv, plane, pipe);
+
+       if (intel_crtc->config.has_pch_encoder)
+               intel_set_pch_fifo_underrun_reporting(dev, pipe, false);
+
        intel_disable_pipe(dev_priv, pipe);
 
-       /* Disable PF */
-       I915_WRITE(PF_CTL(pipe), 0);
-       I915_WRITE(PF_WIN_SZ(pipe), 0);
+       ironlake_pfit_disable(intel_crtc);
 
        for_each_encoder_on_crtc(dev, crtc, encoder)
                if (encoder->post_disable)
                        encoder->post_disable(encoder);
 
-       ironlake_fdi_disable(crtc);
+       if (intel_crtc->config.has_pch_encoder) {
+               ironlake_fdi_disable(crtc);
 
-       ironlake_disable_pch_transcoder(dev_priv, pipe);
+               ironlake_disable_pch_transcoder(dev_priv, pipe);
+               intel_set_pch_fifo_underrun_reporting(dev, pipe, true);
 
-       if (HAS_PCH_CPT(dev)) {
-               /* disable TRANS_DP_CTL */
-               reg = TRANS_DP_CTL(pipe);
-               temp = I915_READ(reg);
-               temp &= ~(TRANS_DP_OUTPUT_ENABLE | TRANS_DP_PORT_SEL_MASK);
-               temp |= TRANS_DP_PORT_SEL_NONE;
-               I915_WRITE(reg, temp);
-
-               /* disable DPLL_SEL */
-               temp = I915_READ(PCH_DPLL_SEL);
-               switch (pipe) {
-               case 0:
-                       temp &= ~(TRANSA_DPLL_ENABLE | TRANSA_DPLLB_SEL);
-                       break;
-               case 1:
-                       temp &= ~(TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL);
-                       break;
-               case 2:
-                       /* C shares PLL A or B */
-                       temp &= ~(TRANSC_DPLL_ENABLE | TRANSC_DPLLB_SEL);
-                       break;
-               default:
-                       BUG(); /* wtf */
+               if (HAS_PCH_CPT(dev)) {
+                       /* disable TRANS_DP_CTL */
+                       reg = TRANS_DP_CTL(pipe);
+                       temp = I915_READ(reg);
+                       temp &= ~(TRANS_DP_OUTPUT_ENABLE |
+                                 TRANS_DP_PORT_SEL_MASK);
+                       temp |= TRANS_DP_PORT_SEL_NONE;
+                       I915_WRITE(reg, temp);
+
+                       /* disable DPLL_SEL */
+                       temp = I915_READ(PCH_DPLL_SEL);
+                       temp &= ~(TRANS_DPLL_ENABLE(pipe) | TRANS_DPLLB_SEL(pipe));
+                       I915_WRITE(PCH_DPLL_SEL, temp);
                }
-               I915_WRITE(PCH_DPLL_SEL, temp);
-       }
 
-       /* disable PCH DPLL */
-       intel_disable_pch_pll(intel_crtc);
+               /* disable PCH DPLL */
+               intel_disable_shared_dpll(intel_crtc);
 
-       ironlake_fdi_pll_disable(intel_crtc);
+               ironlake_fdi_pll_disable(intel_crtc);
+       }
 
        intel_crtc->active = false;
        intel_update_watermarks(dev);
@@ -3588,24 +3460,24 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
 
        intel_crtc_wait_for_pending_flips(crtc);
        drm_vblank_off(dev, pipe);
-       intel_crtc_update_cursor(crtc, false);
-
-       intel_disable_plane(dev_priv, plane, pipe);
 
+       /* FBC must be disabled before disabling the plane on HSW. */
        if (dev_priv->cfb_plane == plane)
                intel_disable_fbc(dev);
 
+       hsw_disable_ips(intel_crtc);
+
+       intel_crtc_update_cursor(crtc, false);
+       intel_disable_planes(crtc);
+       intel_disable_plane(dev_priv, plane, pipe);
+
+       if (intel_crtc->config.has_pch_encoder)
+               intel_set_pch_fifo_underrun_reporting(dev, TRANSCODER_A, false);
        intel_disable_pipe(dev_priv, pipe);
 
        intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder);
 
-       /* XXX: Once we have proper panel fitter state tracking implemented with
-        * hardware state read/check support we should switch to only disable
-        * the panel fitter when we know it's used. */
-       if (intel_using_power_well(dev)) {
-               I915_WRITE(PF_CTL(pipe), 0);
-               I915_WRITE(PF_WIN_SZ(pipe), 0);
-       }
+       ironlake_pfit_disable(intel_crtc);
 
        intel_ddi_disable_pipe_clock(intel_crtc);
 
@@ -3615,6 +3487,7 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
 
        if (intel_crtc->config.has_pch_encoder) {
                lpt_disable_pch_transcoder(dev_priv);
+               intel_set_pch_fifo_underrun_reporting(dev, TRANSCODER_A, true);
                intel_ddi_fdi_disable(crtc);
        }
 
@@ -3629,17 +3502,11 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
 static void ironlake_crtc_off(struct drm_crtc *crtc)
 {
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       intel_put_pch_pll(intel_crtc);
+       intel_put_shared_dpll(intel_crtc);
 }
 
 static void haswell_crtc_off(struct drm_crtc *crtc)
 {
-       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-
-       /* Stop saying we're using TRANSCODER_EDP because some other CRTC might
-        * start using it. */
-       intel_crtc->config.cpu_transcoder = (enum transcoder) intel_crtc->pipe;
-
        intel_ddi_put_crtc_pll(crtc);
 }
 
@@ -3685,6 +3552,77 @@ g4x_fixup_plane(struct drm_i915_private *dev_priv, enum pipe pipe)
        }
 }
 
+static void i9xx_pfit_enable(struct intel_crtc *crtc)
+{
+       struct drm_device *dev = crtc->base.dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct intel_crtc_config *pipe_config = &crtc->config;
+
+       if (!crtc->config.gmch_pfit.control)
+               return;
+
+       /*
+        * The panel fitter should only be adjusted whilst the pipe is disabled,
+        * according to register description and PRM.
+        */
+       WARN_ON(I915_READ(PFIT_CONTROL) & PFIT_ENABLE);
+       assert_pipe_disabled(dev_priv, crtc->pipe);
+
+       I915_WRITE(PFIT_PGM_RATIOS, pipe_config->gmch_pfit.pgm_ratios);
+       I915_WRITE(PFIT_CONTROL, pipe_config->gmch_pfit.control);
+
+       /* Border color in case we don't scale up to the full screen. Black by
+        * default, change to something else for debugging. */
+       I915_WRITE(BCLRPAT(crtc->pipe), 0);
+}
+
+static void valleyview_crtc_enable(struct drm_crtc *crtc)
+{
+       struct drm_device *dev = crtc->dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+       struct intel_encoder *encoder;
+       int pipe = intel_crtc->pipe;
+       int plane = intel_crtc->plane;
+
+       WARN_ON(!crtc->enabled);
+
+       if (intel_crtc->active)
+               return;
+
+       intel_crtc->active = true;
+       intel_update_watermarks(dev);
+
+       mutex_lock(&dev_priv->dpio_lock);
+
+       for_each_encoder_on_crtc(dev, crtc, encoder)
+               if (encoder->pre_pll_enable)
+                       encoder->pre_pll_enable(encoder);
+
+       intel_enable_pll(dev_priv, pipe);
+
+       for_each_encoder_on_crtc(dev, crtc, encoder)
+               if (encoder->pre_enable)
+                       encoder->pre_enable(encoder);
+
+       /* VLV wants encoder enabling _before_ the pipe is up. */
+       for_each_encoder_on_crtc(dev, crtc, encoder)
+               encoder->enable(encoder);
+
+       i9xx_pfit_enable(intel_crtc);
+
+       intel_crtc_load_lut(crtc);
+
+       intel_enable_pipe(dev_priv, pipe, false);
+       intel_enable_plane(dev_priv, plane, pipe);
+       intel_enable_planes(crtc);
+       intel_crtc_update_cursor(crtc, true);
+
+       intel_update_fbc(dev);
+
+       mutex_unlock(&dev_priv->dpio_lock);
+}
+
 static void i9xx_crtc_enable(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
@@ -3708,17 +3646,22 @@ static void i9xx_crtc_enable(struct drm_crtc *crtc)
                if (encoder->pre_enable)
                        encoder->pre_enable(encoder);
 
+       i9xx_pfit_enable(intel_crtc);
+
+       intel_crtc_load_lut(crtc);
+
        intel_enable_pipe(dev_priv, pipe, false);
        intel_enable_plane(dev_priv, plane, pipe);
+       intel_enable_planes(crtc);
+       /* The fixup needs to happen before cursor is enabled */
        if (IS_G4X(dev))
                g4x_fixup_plane(dev_priv, pipe);
-
-       intel_crtc_load_lut(crtc);
-       intel_update_fbc(dev);
+       intel_crtc_update_cursor(crtc, true);
 
        /* Give the overlay scaler a chance to enable if it's on this pipe */
        intel_crtc_dpms_overlay(intel_crtc, true);
-       intel_crtc_update_cursor(crtc, true);
+
+       intel_update_fbc(dev);
 
        for_each_encoder_on_crtc(dev, crtc, encoder)
                encoder->enable(encoder);
@@ -3728,20 +3671,15 @@ static void i9xx_pfit_disable(struct intel_crtc *crtc)
 {
        struct drm_device *dev = crtc->base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       enum pipe pipe;
-       uint32_t pctl = I915_READ(PFIT_CONTROL);
 
-       assert_pipe_disabled(dev_priv, crtc->pipe);
+       if (!crtc->config.gmch_pfit.control)
+               return;
 
-       if (INTEL_INFO(dev)->gen >= 4)
-               pipe = (pctl & PFIT_PIPE_MASK) >> PFIT_PIPE_SHIFT;
-       else
-               pipe = PIPE_B;
+       assert_pipe_disabled(dev_priv, crtc->pipe);
 
-       if (pipe == crtc->pipe) {
-               DRM_DEBUG_DRIVER("disabling pfit, current: 0x%08x\n", pctl);
-               I915_WRITE(PFIT_CONTROL, 0);
-       }
+       DRM_DEBUG_DRIVER("disabling pfit, current: 0x%08x\n",
+                        I915_READ(PFIT_CONTROL));
+       I915_WRITE(PFIT_CONTROL, 0);
 }
 
 static void i9xx_crtc_disable(struct drm_crtc *crtc)
@@ -3762,17 +3700,23 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc)
        /* Give the overlay scaler a chance to disable if it's on this pipe */
        intel_crtc_wait_for_pending_flips(crtc);
        drm_vblank_off(dev, pipe);
-       intel_crtc_dpms_overlay(intel_crtc, false);
-       intel_crtc_update_cursor(crtc, false);
 
        if (dev_priv->cfb_plane == plane)
                intel_disable_fbc(dev);
 
+       intel_crtc_dpms_overlay(intel_crtc, false);
+       intel_crtc_update_cursor(crtc, false);
+       intel_disable_planes(crtc);
        intel_disable_plane(dev_priv, plane, pipe);
+
        intel_disable_pipe(dev_priv, pipe);
 
        i9xx_pfit_disable(intel_crtc);
 
+       for_each_encoder_on_crtc(dev, crtc, encoder)
+               if (encoder->post_disable)
+                       encoder->post_disable(encoder);
+
        intel_disable_pll(dev_priv, pipe);
 
        intel_crtc->active = false;
@@ -3845,8 +3789,8 @@ static void intel_crtc_disable(struct drm_crtc *crtc)
        /* crtc should still be enabled when we disable it. */
        WARN_ON(!crtc->enabled);
 
-       intel_crtc->eld_vld = false;
        dev_priv->display.crtc_disable(crtc);
+       intel_crtc->eld_vld = false;
        intel_crtc_update_sarea(crtc, false);
        dev_priv->display.off(crtc);
 
@@ -3977,17 +3921,131 @@ bool intel_connector_get_hw_state(struct intel_connector *connector)
        return encoder->get_hw_state(encoder, &pipe);
 }
 
-static bool intel_crtc_compute_config(struct drm_crtc *crtc,
-                                     struct intel_crtc_config *pipe_config)
+static bool ironlake_check_fdi_lanes(struct drm_device *dev, enum pipe pipe,
+                                    struct intel_crtc_config *pipe_config)
 {
-       struct drm_device *dev = crtc->dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct intel_crtc *pipe_B_crtc =
+               to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_B]);
+
+       DRM_DEBUG_KMS("checking fdi config on pipe %c, lanes %i\n",
+                     pipe_name(pipe), pipe_config->fdi_lanes);
+       if (pipe_config->fdi_lanes > 4) {
+               DRM_DEBUG_KMS("invalid fdi lane config on pipe %c: %i lanes\n",
+                             pipe_name(pipe), pipe_config->fdi_lanes);
+               return false;
+       }
+
+       if (IS_HASWELL(dev)) {
+               if (pipe_config->fdi_lanes > 2) {
+                       DRM_DEBUG_KMS("only 2 lanes on haswell, required: %i lanes\n",
+                                     pipe_config->fdi_lanes);
+                       return false;
+               } else {
+                       return true;
+               }
+       }
+
+       if (INTEL_INFO(dev)->num_pipes == 2)
+               return true;
+
+       /* Ivybridge 3 pipe is really complicated */
+       switch (pipe) {
+       case PIPE_A:
+               return true;
+       case PIPE_B:
+               if (dev_priv->pipe_to_crtc_mapping[PIPE_C]->enabled &&
+                   pipe_config->fdi_lanes > 2) {
+                       DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n",
+                                     pipe_name(pipe), pipe_config->fdi_lanes);
+                       return false;
+               }
+               return true;
+       case PIPE_C:
+               if (!pipe_has_enabled_pch(pipe_B_crtc) ||
+                   pipe_B_crtc->config.fdi_lanes <= 2) {
+                       if (pipe_config->fdi_lanes > 2) {
+                               DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n",
+                                             pipe_name(pipe), pipe_config->fdi_lanes);
+                               return false;
+                       }
+               } else {
+                       DRM_DEBUG_KMS("fdi link B uses too many lanes to enable link C\n");
+                       return false;
+               }
+               return true;
+       default:
+               BUG();
+       }
+}
+
+#define RETRY 1
+static int ironlake_fdi_compute_config(struct intel_crtc *intel_crtc,
+                                      struct intel_crtc_config *pipe_config)
+{
+       struct drm_device *dev = intel_crtc->base.dev;
+       struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode;
+       int lane, link_bw, fdi_dotclock;
+       bool setup_ok, needs_recompute = false;
+
+retry:
+       /* FDI is a binary signal running at ~2.7GHz, encoding
+        * each output octet as 10 bits. The actual frequency
+        * is stored as a divider into a 100MHz clock, and the
+        * mode pixel clock is stored in units of 1KHz.
+        * Hence the bw of each lane in terms of the mode signal
+        * is:
+        */
+       link_bw = intel_fdi_link_freq(dev) * MHz(100)/KHz(1)/10;
+
+       fdi_dotclock = adjusted_mode->clock;
+       fdi_dotclock /= pipe_config->pixel_multiplier;
+
+       lane = ironlake_get_lanes_required(fdi_dotclock, link_bw,
+                                          pipe_config->pipe_bpp);
+
+       pipe_config->fdi_lanes = lane;
+
+       intel_link_compute_m_n(pipe_config->pipe_bpp, lane, fdi_dotclock,
+                              link_bw, &pipe_config->fdi_m_n);
+
+       setup_ok = ironlake_check_fdi_lanes(intel_crtc->base.dev,
+                                           intel_crtc->pipe, pipe_config);
+       if (!setup_ok && pipe_config->pipe_bpp > 6*3) {
+               pipe_config->pipe_bpp -= 2*3;
+               DRM_DEBUG_KMS("fdi link bw constraint, reducing pipe bpp to %i\n",
+                             pipe_config->pipe_bpp);
+               needs_recompute = true;
+               pipe_config->bw_constrained = true;
+
+               goto retry;
+       }
+
+       if (needs_recompute)
+               return RETRY;
+
+       return setup_ok ? 0 : -EINVAL;
+}
+
+static void hsw_compute_ips_config(struct intel_crtc *crtc,
+                                  struct intel_crtc_config *pipe_config)
+{
+       pipe_config->ips_enabled = i915_enable_ips &&
+                                  hsw_crtc_supports_ips(crtc) &&
+                                  pipe_config->pipe_bpp == 24;
+}
+
+static int intel_crtc_compute_config(struct intel_crtc *crtc,
+                                    struct intel_crtc_config *pipe_config)
+{
+       struct drm_device *dev = crtc->base.dev;
        struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode;
 
        if (HAS_PCH_SPLIT(dev)) {
                /* FDI link clock is fixed at 2.7G */
                if (pipe_config->requested_mode.clock * 3
                    > IRONLAKE_FDI_FREQ * 4)
-                       return false;
+                       return -EINVAL;
        }
 
        /* All interlaced capable intel hw wants timings in frames. Note though
@@ -3996,12 +4054,12 @@ static bool intel_crtc_compute_config(struct drm_crtc *crtc,
        if (!pipe_config->timings_set)
                drm_mode_set_crtcinfo(adjusted_mode, 0);
 
-       /* WaPruneModeWithIncorrectHsyncOffset: Cantiga+ cannot handle modes
-        * with a hsync front porch of 0.
+       /* Cantiga+ cannot handle modes with a hsync front porch of 0.
+        * WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw.
         */
        if ((INTEL_INFO(dev)->gen > 4 || IS_G4X(dev)) &&
                adjusted_mode->hsync_start == adjusted_mode->hdisplay)
-               return false;
+               return -EINVAL;
 
        if ((IS_G4X(dev) || IS_VALLEYVIEW(dev)) && pipe_config->pipe_bpp > 10*3) {
                pipe_config->pipe_bpp = 10*3; /* 12bpc is gen5+ */
@@ -4011,7 +4069,18 @@ static bool intel_crtc_compute_config(struct drm_crtc *crtc,
                pipe_config->pipe_bpp = 8*3;
        }
 
-       return true;
+       if (HAS_IPS(dev))
+               hsw_compute_ips_config(crtc, pipe_config);
+
+       /* XXX: PCH clock sharing is done in ->mode_set, so make sure the old
+        * clock survives for now. */
+       if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev))
+               pipe_config->shared_dpll = crtc->config.shared_dpll;
+
+       if (pipe_config->has_pch_encoder)
+               return ironlake_fdi_compute_config(crtc, pipe_config);
+
+       return 0;
 }
 
 static int valleyview_get_display_clock_speed(struct drm_device *dev)
@@ -4120,7 +4189,7 @@ static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
 {
        if (i915_panel_use_ssc >= 0)
                return i915_panel_use_ssc != 0;
-       return dev_priv->lvds_use_ssc
+       return dev_priv->vbt.lvds_use_ssc
                && !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE);
 }
 
@@ -4156,7 +4225,7 @@ static int i9xx_get_refclk(struct drm_crtc *crtc, int num_connectors)
                refclk = vlv_get_refclk(crtc);
        } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
            intel_panel_use_ssc(dev_priv) && num_connectors < 2) {
-               refclk = dev_priv->lvds_ssc_freq * 1000;
+               refclk = dev_priv->vbt.lvds_ssc_freq * 1000;
                DRM_DEBUG_KMS("using SSC reference clock of %d MHz\n",
                              refclk / 1000);
        } else if (!IS_GEN2(dev)) {
@@ -4168,28 +4237,14 @@ static int i9xx_get_refclk(struct drm_crtc *crtc, int num_connectors)
        return refclk;
 }
 
-static void i9xx_adjust_sdvo_tv_clock(struct intel_crtc *crtc)
+static uint32_t pnv_dpll_compute_fp(struct dpll *dpll)
 {
-       unsigned dotclock = crtc->config.adjusted_mode.clock;
-       struct dpll *clock = &crtc->config.dpll;
-
-       /* SDVO TV has fixed PLL values depend on its clock range,
-          this mirrors vbios setting. */
-       if (dotclock >= 100000 && dotclock < 140500) {
-               clock->p1 = 2;
-               clock->p2 = 10;
-               clock->n = 3;
-               clock->m1 = 16;
-               clock->m2 = 8;
-       } else if (dotclock >= 140500 && dotclock <= 200000) {
-               clock->p1 = 1;
-               clock->p2 = 10;
-               clock->n = 6;
-               clock->m1 = 12;
-               clock->m2 = 8;
-       }
+       return (1 << dpll->n) << 16 | dpll->m2;
+}
 
-       crtc->config.clock_set = true;
+static uint32_t i9xx_dpll_compute_fp(struct dpll *dpll)
+{
+       return dpll->n << 16 | dpll->m1 << 8 | dpll->m2;
 }
 
 static void i9xx_update_pll_dividers(struct intel_crtc *crtc,
@@ -4199,18 +4254,15 @@ static void i9xx_update_pll_dividers(struct intel_crtc *crtc,
        struct drm_i915_private *dev_priv = dev->dev_private;
        int pipe = crtc->pipe;
        u32 fp, fp2 = 0;
-       struct dpll *clock = &crtc->config.dpll;
 
        if (IS_PINEVIEW(dev)) {
-               fp = (1 << clock->n) << 16 | clock->m1 << 8 | clock->m2;
+               fp = pnv_dpll_compute_fp(&crtc->config.dpll);
                if (reduced_clock)
-                       fp2 = (1 << reduced_clock->n) << 16 |
-                               reduced_clock->m1 << 8 | reduced_clock->m2;
+                       fp2 = pnv_dpll_compute_fp(reduced_clock);
        } else {
-               fp = clock->n << 16 | clock->m1 << 8 | clock->m2;
+               fp = i9xx_dpll_compute_fp(&crtc->config.dpll);
                if (reduced_clock)
-                       fp2 = reduced_clock->n << 16 | reduced_clock->m1 << 8 |
-                               reduced_clock->m2;
+                       fp2 = i9xx_dpll_compute_fp(reduced_clock);
        }
 
        I915_WRITE(FP0(pipe), fp);
@@ -4225,6 +4277,68 @@ static void i9xx_update_pll_dividers(struct intel_crtc *crtc,
        }
 }
 
+static void vlv_pllb_recal_opamp(struct drm_i915_private *dev_priv)
+{
+       u32 reg_val;
+
+       /*
+        * PLLB opamp always calibrates to max value of 0x3f, force enable it
+        * and set it to a reasonable value instead.
+        */
+       reg_val = vlv_dpio_read(dev_priv, DPIO_IREF(1));
+       reg_val &= 0xffffff00;
+       reg_val |= 0x00000030;
+       vlv_dpio_write(dev_priv, DPIO_IREF(1), reg_val);
+
+       reg_val = vlv_dpio_read(dev_priv, DPIO_CALIBRATION);
+       reg_val &= 0x8cffffff;
+       reg_val = 0x8c000000;
+       vlv_dpio_write(dev_priv, DPIO_CALIBRATION, reg_val);
+
+       reg_val = vlv_dpio_read(dev_priv, DPIO_IREF(1));
+       reg_val &= 0xffffff00;
+       vlv_dpio_write(dev_priv, DPIO_IREF(1), reg_val);
+
+       reg_val = vlv_dpio_read(dev_priv, DPIO_CALIBRATION);
+       reg_val &= 0x00ffffff;
+       reg_val |= 0xb0000000;
+       vlv_dpio_write(dev_priv, DPIO_CALIBRATION, reg_val);
+}
+
+static void intel_pch_transcoder_set_m_n(struct intel_crtc *crtc,
+                                        struct intel_link_m_n *m_n)
+{
+       struct drm_device *dev = crtc->base.dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       int pipe = crtc->pipe;
+
+       I915_WRITE(PCH_TRANS_DATA_M1(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m);
+       I915_WRITE(PCH_TRANS_DATA_N1(pipe), m_n->gmch_n);
+       I915_WRITE(PCH_TRANS_LINK_M1(pipe), m_n->link_m);
+       I915_WRITE(PCH_TRANS_LINK_N1(pipe), m_n->link_n);
+}
+
+static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc,
+                                        struct intel_link_m_n *m_n)
+{
+       struct drm_device *dev = crtc->base.dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       int pipe = crtc->pipe;
+       enum transcoder transcoder = crtc->config.cpu_transcoder;
+
+       if (INTEL_INFO(dev)->gen >= 5) {
+               I915_WRITE(PIPE_DATA_M1(transcoder), TU_SIZE(m_n->tu) | m_n->gmch_m);
+               I915_WRITE(PIPE_DATA_N1(transcoder), m_n->gmch_n);
+               I915_WRITE(PIPE_LINK_M1(transcoder), m_n->link_m);
+               I915_WRITE(PIPE_LINK_N1(transcoder), m_n->link_n);
+       } else {
+               I915_WRITE(PIPE_DATA_M_G4X(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m);
+               I915_WRITE(PIPE_DATA_N_G4X(pipe), m_n->gmch_n);
+               I915_WRITE(PIPE_LINK_M_G4X(pipe), m_n->link_m);
+               I915_WRITE(PIPE_LINK_N_G4X(pipe), m_n->link_n);
+       }
+}
+
 static void intel_dp_set_m_n(struct intel_crtc *crtc)
 {
        if (crtc->config.has_pch_encoder)
@@ -4237,24 +4351,16 @@ static void vlv_update_pll(struct intel_crtc *crtc)
 {
        struct drm_device *dev = crtc->base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
+       struct intel_encoder *encoder;
        int pipe = crtc->pipe;
-       u32 dpll, mdiv, pdiv;
+       u32 dpll, mdiv;
        u32 bestn, bestm1, bestm2, bestp1, bestp2;
-       bool is_sdvo;
-       u32 temp;
+       bool is_hdmi;
+       u32 coreclk, reg_val, dpll_md;
 
        mutex_lock(&dev_priv->dpio_lock);
 
-       is_sdvo = intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_SDVO) ||
-               intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI);
-
-       dpll = DPLL_VGA_MODE_DIS;
-       dpll |= DPLL_EXT_BUFFER_ENABLE_VLV;
-       dpll |= DPLL_REFA_CLK_ENABLE_VLV;
-       dpll |= DPLL_INTEGRATED_CLOCK_VLV;
-
-       I915_WRITE(DPLL(pipe), dpll);
-       POSTING_READ(DPLL(pipe));
+       is_hdmi = intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI);
 
        bestn = crtc->config.dpll.n;
        bestm1 = crtc->config.dpll.m1;
@@ -4262,72 +4368,104 @@ static void vlv_update_pll(struct intel_crtc *crtc)
        bestp1 = crtc->config.dpll.p1;
        bestp2 = crtc->config.dpll.p2;
 
-       /*
-        * In Valleyview PLL and program lane counter registers are exposed
-        * through DPIO interface
-        */
+       /* See eDP HDMI DPIO driver vbios notes doc */
+
+       /* PLL B needs special handling */
+       if (pipe)
+               vlv_pllb_recal_opamp(dev_priv);
+
+       /* Set up Tx target for periodic Rcomp update */
+       vlv_dpio_write(dev_priv, DPIO_IREF_BCAST, 0x0100000f);
+
+       /* Disable target IRef on PLL */
+       reg_val = vlv_dpio_read(dev_priv, DPIO_IREF_CTL(pipe));
+       reg_val &= 0x00ffffff;
+       vlv_dpio_write(dev_priv, DPIO_IREF_CTL(pipe), reg_val);
+
+       /* Disable fast lock */
+       vlv_dpio_write(dev_priv, DPIO_FASTCLK_DISABLE, 0x610);
+
+       /* Set idtafcrecal before PLL is enabled */
        mdiv = ((bestm1 << DPIO_M1DIV_SHIFT) | (bestm2 & DPIO_M2DIV_MASK));
        mdiv |= ((bestp1 << DPIO_P1_SHIFT) | (bestp2 << DPIO_P2_SHIFT));
        mdiv |= ((bestn << DPIO_N_SHIFT));
-       mdiv |= (1 << DPIO_POST_DIV_SHIFT);
        mdiv |= (1 << DPIO_K_SHIFT);
+
+       /*
+        * Post divider depends on pixel clock rate, DAC vs digital (and LVDS,
+        * but we don't support that).
+        * Note: don't use the DAC post divider as it seems unstable.
+        */
+       mdiv |= (DPIO_POST_DIV_HDMIDP << DPIO_POST_DIV_SHIFT);
+       vlv_dpio_write(dev_priv, DPIO_DIV(pipe), mdiv);
+
        mdiv |= DPIO_ENABLE_CALIBRATION;
-       intel_dpio_write(dev_priv, DPIO_DIV(pipe), mdiv);
+       vlv_dpio_write(dev_priv, DPIO_DIV(pipe), mdiv);
+
+       /* Set HBR and RBR LPF coefficients */
+       if (crtc->config.port_clock == 162000 ||
+           intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_ANALOG) ||
+           intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI))
+               vlv_dpio_write(dev_priv, DPIO_LPF_COEFF(pipe),
+                                0x005f0021);
+       else
+               vlv_dpio_write(dev_priv, DPIO_LPF_COEFF(pipe),
+                                0x00d0000f);
+
+       if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP) ||
+           intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT)) {
+               /* Use SSC source */
+               if (!pipe)
+                       vlv_dpio_write(dev_priv, DPIO_REFSFR(pipe),
+                                        0x0df40000);
+               else
+                       vlv_dpio_write(dev_priv, DPIO_REFSFR(pipe),
+                                        0x0df70000);
+       } else { /* HDMI or VGA */
+               /* Use bend source */
+               if (!pipe)
+                       vlv_dpio_write(dev_priv, DPIO_REFSFR(pipe),
+                                        0x0df70000);
+               else
+                       vlv_dpio_write(dev_priv, DPIO_REFSFR(pipe),
+                                        0x0df40000);
+       }
 
-       intel_dpio_write(dev_priv, DPIO_CORE_CLK(pipe), 0x01000000);
+       coreclk = vlv_dpio_read(dev_priv, DPIO_CORE_CLK(pipe));
+       coreclk = (coreclk & 0x0000ff00) | 0x01c00000;
+       if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT) ||
+           intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP))
+               coreclk |= 0x01000000;
+       vlv_dpio_write(dev_priv, DPIO_CORE_CLK(pipe), coreclk);
 
-       pdiv = (1 << DPIO_REFSEL_OVERRIDE) | (5 << DPIO_PLL_MODESEL_SHIFT) |
-               (3 << DPIO_BIAS_CURRENT_CTL_SHIFT) | (1<<20) |
-               (7 << DPIO_PLL_REFCLK_SEL_SHIFT) | (8 << DPIO_DRIVER_CTL_SHIFT) |
-               (5 << DPIO_CLK_BIAS_CTL_SHIFT);
-       intel_dpio_write(dev_priv, DPIO_REFSFR(pipe), pdiv);
+       vlv_dpio_write(dev_priv, DPIO_PLL_CML(pipe), 0x87871000);
 
-       intel_dpio_write(dev_priv, DPIO_LFP_COEFF(pipe), 0x005f003b);
+       for_each_encoder_on_crtc(dev, &crtc->base, encoder)
+               if (encoder->pre_pll_enable)
+                       encoder->pre_pll_enable(encoder);
+
+       /* Enable DPIO clock input */
+       dpll = DPLL_EXT_BUFFER_ENABLE_VLV | DPLL_REFA_CLK_ENABLE_VLV |
+               DPLL_VGA_MODE_DIS | DPLL_INTEGRATED_CLOCK_VLV;
+       if (pipe)
+               dpll |= DPLL_INTEGRATED_CRI_CLK_VLV;
 
        dpll |= DPLL_VCO_ENABLE;
        I915_WRITE(DPLL(pipe), dpll);
        POSTING_READ(DPLL(pipe));
+       udelay(150);
+
        if (wait_for(((I915_READ(DPLL(pipe)) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1))
                DRM_ERROR("DPLL %d failed to lock\n", pipe);
 
-       intel_dpio_write(dev_priv, DPIO_FASTCLK_DISABLE, 0x620);
+       dpll_md = (crtc->config.pixel_multiplier - 1)
+               << DPLL_MD_UDI_MULTIPLIER_SHIFT;
+       I915_WRITE(DPLL_MD(pipe), dpll_md);
+       POSTING_READ(DPLL_MD(pipe));
 
        if (crtc->config.has_dp_encoder)
                intel_dp_set_m_n(crtc);
 
-       I915_WRITE(DPLL(pipe), dpll);
-
-       /* Wait for the clocks to stabilize. */
-       POSTING_READ(DPLL(pipe));
-       udelay(150);
-
-       temp = 0;
-       if (is_sdvo) {
-               temp = 0;
-               if (crtc->config.pixel_multiplier > 1) {
-                       temp = (crtc->config.pixel_multiplier - 1)
-                               << DPLL_MD_UDI_MULTIPLIER_SHIFT;
-               }
-       }
-       I915_WRITE(DPLL_MD(pipe), temp);
-       POSTING_READ(DPLL_MD(pipe));
-
-       /* Now program lane control registers */
-       if(intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT)
-          || intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI)) {
-               temp = 0x1000C4;
-               if(pipe == 1)
-                       temp |= (1 << 21);
-               intel_dpio_write(dev_priv, DPIO_DATA_CHANNEL1, temp);
-       }
-
-       if(intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP)) {
-               temp = 0x1000C4;
-               if(pipe == 1)
-                       temp |= (1 << 21);
-               intel_dpio_write(dev_priv, DPIO_DATA_CHANNEL2, temp);
-       }
-
        mutex_unlock(&dev_priv->dpio_lock);
 }
 
@@ -4355,14 +4493,14 @@ static void i9xx_update_pll(struct intel_crtc *crtc,
        else
                dpll |= DPLLB_MODE_DAC_SERIAL;
 
-       if (is_sdvo) {
-               if ((crtc->config.pixel_multiplier > 1) &&
-                   (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))) {
-                       dpll |= (crtc->config.pixel_multiplier - 1)
-                               << SDVO_MULTIPLIER_SHIFT_HIRES;
-               }
-               dpll |= DPLL_DVO_HIGH_SPEED;
+       if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
+               dpll |= (crtc->config.pixel_multiplier - 1)
+                       << SDVO_MULTIPLIER_SHIFT_HIRES;
        }
+
+       if (is_sdvo)
+               dpll |= DPLL_DVO_HIGH_SPEED;
+
        if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT))
                dpll |= DPLL_DVO_HIGH_SPEED;
 
@@ -4391,12 +4529,8 @@ static void i9xx_update_pll(struct intel_crtc *crtc,
        if (INTEL_INFO(dev)->gen >= 4)
                dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT);
 
-       if (is_sdvo && intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_TVOUT))
+       if (crtc->config.sdvo_tv_clock)
                dpll |= PLL_REF_INPUT_TVCLKINBC;
-       else if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_TVOUT))
-               /* XXX: just matching BIOS for now */
-               /*      dpll |= PLL_REF_INPUT_TVCLKINBC; */
-               dpll |= 3;
        else if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) &&
                 intel_panel_use_ssc(dev_priv) && num_connectors < 2)
                dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN;
@@ -4422,15 +4556,9 @@ static void i9xx_update_pll(struct intel_crtc *crtc,
        udelay(150);
 
        if (INTEL_INFO(dev)->gen >= 4) {
-               u32 temp = 0;
-               if (is_sdvo) {
-                       temp = 0;
-                       if (crtc->config.pixel_multiplier > 1) {
-                               temp = (crtc->config.pixel_multiplier - 1)
-                                       << DPLL_MD_UDI_MULTIPLIER_SHIFT;
-                       }
-               }
-               I915_WRITE(DPLL_MD(pipe), temp);
+               u32 dpll_md = (crtc->config.pixel_multiplier - 1)
+                       << DPLL_MD_UDI_MULTIPLIER_SHIFT;
+               I915_WRITE(DPLL_MD(pipe), dpll_md);
        } else {
                /* The pixel multiplier can only be updated once the
                 * DPLL is enabled and the clocks are stable.
@@ -4442,7 +4570,6 @@ static void i9xx_update_pll(struct intel_crtc *crtc,
 }
 
 static void i8xx_update_pll(struct intel_crtc *crtc,
-                           struct drm_display_mode *adjusted_mode,
                            intel_clock_t *reduced_clock,
                            int num_connectors)
 {
@@ -4497,20 +4624,26 @@ static void i8xx_update_pll(struct intel_crtc *crtc,
        I915_WRITE(DPLL(pipe), dpll);
 }
 
-static void intel_set_pipe_timings(struct intel_crtc *intel_crtc,
-                                  struct drm_display_mode *mode,
-                                  struct drm_display_mode *adjusted_mode)
+static void intel_set_pipe_timings(struct intel_crtc *intel_crtc)
 {
        struct drm_device *dev = intel_crtc->base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        enum pipe pipe = intel_crtc->pipe;
        enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder;
-       uint32_t vsyncshift;
+       struct drm_display_mode *adjusted_mode =
+               &intel_crtc->config.adjusted_mode;
+       struct drm_display_mode *mode = &intel_crtc->config.requested_mode;
+       uint32_t vsyncshift, crtc_vtotal, crtc_vblank_end;
+
+       /* We need to be careful not to changed the adjusted mode, for otherwise
+        * the hw state checker will get angry at the mismatch. */
+       crtc_vtotal = adjusted_mode->crtc_vtotal;
+       crtc_vblank_end = adjusted_mode->crtc_vblank_end;
 
        if (!IS_GEN2(dev) && adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
                /* the chip adds 2 halflines automatically */
-               adjusted_mode->crtc_vtotal -= 1;
-               adjusted_mode->crtc_vblank_end -= 1;
+               crtc_vtotal -= 1;
+               crtc_vblank_end -= 1;
                vsyncshift = adjusted_mode->crtc_hsync_start
                             - adjusted_mode->crtc_htotal / 2;
        } else {
@@ -4532,10 +4665,10 @@ static void intel_set_pipe_timings(struct intel_crtc *intel_crtc,
 
        I915_WRITE(VTOTAL(cpu_transcoder),
                   (adjusted_mode->crtc_vdisplay - 1) |
-                  ((adjusted_mode->crtc_vtotal - 1) << 16));
+                  ((crtc_vtotal - 1) << 16));
        I915_WRITE(VBLANK(cpu_transcoder),
                   (adjusted_mode->crtc_vblank_start - 1) |
-                  ((adjusted_mode->crtc_vblank_end - 1) << 16));
+                  ((crtc_vblank_end - 1) << 16));
        I915_WRITE(VSYNC(cpu_transcoder),
                   (adjusted_mode->crtc_vsync_start - 1) |
                   ((adjusted_mode->crtc_vsync_end - 1) << 16));
@@ -4555,13 +4688,52 @@ static void intel_set_pipe_timings(struct intel_crtc *intel_crtc,
                   ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
 }
 
+static void intel_get_pipe_timings(struct intel_crtc *crtc,
+                                  struct intel_crtc_config *pipe_config)
+{
+       struct drm_device *dev = crtc->base.dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
+       uint32_t tmp;
+
+       tmp = I915_READ(HTOTAL(cpu_transcoder));
+       pipe_config->adjusted_mode.crtc_hdisplay = (tmp & 0xffff) + 1;
+       pipe_config->adjusted_mode.crtc_htotal = ((tmp >> 16) & 0xffff) + 1;
+       tmp = I915_READ(HBLANK(cpu_transcoder));
+       pipe_config->adjusted_mode.crtc_hblank_start = (tmp & 0xffff) + 1;
+       pipe_config->adjusted_mode.crtc_hblank_end = ((tmp >> 16) & 0xffff) + 1;
+       tmp = I915_READ(HSYNC(cpu_transcoder));
+       pipe_config->adjusted_mode.crtc_hsync_start = (tmp & 0xffff) + 1;
+       pipe_config->adjusted_mode.crtc_hsync_end = ((tmp >> 16) & 0xffff) + 1;
+
+       tmp = I915_READ(VTOTAL(cpu_transcoder));
+       pipe_config->adjusted_mode.crtc_vdisplay = (tmp & 0xffff) + 1;
+       pipe_config->adjusted_mode.crtc_vtotal = ((tmp >> 16) & 0xffff) + 1;
+       tmp = I915_READ(VBLANK(cpu_transcoder));
+       pipe_config->adjusted_mode.crtc_vblank_start = (tmp & 0xffff) + 1;
+       pipe_config->adjusted_mode.crtc_vblank_end = ((tmp >> 16) & 0xffff) + 1;
+       tmp = I915_READ(VSYNC(cpu_transcoder));
+       pipe_config->adjusted_mode.crtc_vsync_start = (tmp & 0xffff) + 1;
+       pipe_config->adjusted_mode.crtc_vsync_end = ((tmp >> 16) & 0xffff) + 1;
+
+       if (I915_READ(PIPECONF(cpu_transcoder)) & PIPECONF_INTERLACE_MASK) {
+               pipe_config->adjusted_mode.flags |= DRM_MODE_FLAG_INTERLACE;
+               pipe_config->adjusted_mode.crtc_vtotal += 1;
+               pipe_config->adjusted_mode.crtc_vblank_end += 1;
+       }
+
+       tmp = I915_READ(PIPESRC(crtc->pipe));
+       pipe_config->requested_mode.vdisplay = (tmp & 0xffff) + 1;
+       pipe_config->requested_mode.hdisplay = ((tmp >> 16) & 0xffff) + 1;
+}
+
 static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc)
 {
        struct drm_device *dev = intel_crtc->base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        uint32_t pipeconf;
 
-       pipeconf = I915_READ(PIPECONF(intel_crtc->pipe));
+       pipeconf = 0;
 
        if (intel_crtc->pipe == 0 && INTEL_INFO(dev)->gen < 4) {
                /* Enable pixel doubling when the dot clock is > 90% of the (display)
@@ -4573,26 +4745,28 @@ static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc)
                if (intel_crtc->config.requested_mode.clock >
                    dev_priv->display.get_display_clock_speed(dev) * 9 / 10)
                        pipeconf |= PIPECONF_DOUBLE_WIDE;
-               else
-                       pipeconf &= ~PIPECONF_DOUBLE_WIDE;
        }
 
-       /* default to 8bpc */
-       pipeconf &= ~(PIPECONF_BPC_MASK | PIPECONF_DITHER_EN);
-       if (intel_crtc->config.has_dp_encoder) {
-               if (intel_crtc->config.dither) {
-                       pipeconf |= PIPECONF_6BPC |
-                                   PIPECONF_DITHER_EN |
+       /* only g4x and later have fancy bpc/dither controls */
+       if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) {
+               /* Bspec claims that we can't use dithering for 30bpp pipes. */
+               if (intel_crtc->config.dither && intel_crtc->config.pipe_bpp != 30)
+                       pipeconf |= PIPECONF_DITHER_EN |
                                    PIPECONF_DITHER_TYPE_SP;
-               }
-       }
 
-       if (IS_VALLEYVIEW(dev) && intel_pipe_has_type(&intel_crtc->base,
-                                                     INTEL_OUTPUT_EDP)) {
-               if (intel_crtc->config.dither) {
-                       pipeconf |= PIPECONF_6BPC |
-                                       PIPECONF_ENABLE |
-                                       I965_PIPECONF_ACTIVE;
+               switch (intel_crtc->config.pipe_bpp) {
+               case 18:
+                       pipeconf |= PIPECONF_6BPC;
+                       break;
+               case 24:
+                       pipeconf |= PIPECONF_8BPC;
+                       break;
+               case 30:
+                       pipeconf |= PIPECONF_10BPC;
+                       break;
+               default:
+                       /* Case prevented by intel_choose_pipe_bpp_dither. */
+                       BUG();
                }
        }
 
@@ -4602,23 +4776,17 @@ static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc)
                        pipeconf |= PIPECONF_CXSR_DOWNCLOCK;
                } else {
                        DRM_DEBUG_KMS("disabling CxSR downclocking\n");
-                       pipeconf &= ~PIPECONF_CXSR_DOWNCLOCK;
                }
        }
 
-       pipeconf &= ~PIPECONF_INTERLACE_MASK;
        if (!IS_GEN2(dev) &&
            intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE)
                pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION;
        else
                pipeconf |= PIPECONF_PROGRESSIVE;
 
-       if (IS_VALLEYVIEW(dev)) {
-               if (intel_crtc->config.limited_color_range)
-                       pipeconf |= PIPECONF_COLOR_RANGE_SELECT;
-               else
-                       pipeconf &= ~PIPECONF_COLOR_RANGE_SELECT;
-       }
+       if (IS_VALLEYVIEW(dev) && intel_crtc->config.limited_color_range)
+               pipeconf |= PIPECONF_COLOR_RANGE_SELECT;
 
        I915_WRITE(PIPECONF(intel_crtc->pipe), pipeconf);
        POSTING_READ(PIPECONF(intel_crtc->pipe));
@@ -4631,16 +4799,14 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct drm_display_mode *adjusted_mode =
-               &intel_crtc->config.adjusted_mode;
        struct drm_display_mode *mode = &intel_crtc->config.requested_mode;
        int pipe = intel_crtc->pipe;
        int plane = intel_crtc->plane;
        int refclk, num_connectors = 0;
        intel_clock_t clock, reduced_clock;
        u32 dspcntr;
-       bool ok, has_reduced_clock = false, is_sdvo = false;
-       bool is_lvds = false, is_tv = false;
+       bool ok, has_reduced_clock = false;
+       bool is_lvds = false;
        struct intel_encoder *encoder;
        const intel_limit_t *limit;
        int ret;
@@ -4650,15 +4816,6 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
                case INTEL_OUTPUT_LVDS:
                        is_lvds = true;
                        break;
-               case INTEL_OUTPUT_SDVO:
-               case INTEL_OUTPUT_HDMI:
-                       is_sdvo = true;
-                       if (encoder->needs_tv_clock)
-                               is_tv = true;
-                       break;
-               case INTEL_OUTPUT_TVOUT:
-                       is_tv = true;
-                       break;
                }
 
                num_connectors++;
@@ -4672,9 +4829,10 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
         * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2.
         */
        limit = intel_limit(crtc, refclk);
-       ok = limit->find_pll(limit, crtc, adjusted_mode->clock, refclk, NULL,
-                            &clock);
-       if (!ok) {
+       ok = dev_priv->display.find_dpll(limit, crtc,
+                                        intel_crtc->config.port_clock,
+                                        refclk, NULL, &clock);
+       if (!ok && !intel_crtc->config.clock_set) {
                DRM_ERROR("Couldn't find PLL settings for mode!\n");
                return -EINVAL;
        }
@@ -4689,10 +4847,10 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
                 * by using the FP0/FP1. In such case we will disable the LVDS
                 * downclock feature.
                */
-               has_reduced_clock = limit->find_pll(limit, crtc,
+               has_reduced_clock =
+                       dev_priv->display.find_dpll(limit, crtc,
                                                    dev_priv->lvds_downclock,
-                                                   refclk,
-                                                   &clock,
+                                                   refclk, &clock,
                                                    &reduced_clock);
        }
        /* Compat-code for transition, will disappear. */
@@ -4704,11 +4862,8 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
                intel_crtc->config.dpll.p2 = clock.p2;
        }
 
-       if (is_sdvo && is_tv)
-               i9xx_adjust_sdvo_tv_clock(intel_crtc);
-
        if (IS_GEN2(dev))
-               i8xx_update_pll(intel_crtc, adjusted_mode,
+               i8xx_update_pll(intel_crtc,
                                has_reduced_clock ? &reduced_clock : NULL,
                                num_connectors);
        else if (IS_VALLEYVIEW(dev))
@@ -4716,7 +4871,7 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
        else
                i9xx_update_pll(intel_crtc,
                                has_reduced_clock ? &reduced_clock : NULL,
-                               num_connectors);
+                                num_connectors);
 
        /* Set up the display plane register */
        dspcntr = DISPPLANE_GAMMA_ENABLE;
@@ -4728,10 +4883,7 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
                        dspcntr |= DISPPLANE_SEL_PIPE_B;
        }
 
-       DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
-       drm_mode_debug_printmodeline(mode);
-
-       intel_set_pipe_timings(intel_crtc, mode, adjusted_mode);
+       intel_set_pipe_timings(intel_crtc);
 
        /* pipesrc and dspsize control the size that is scaled from,
         * which should always be the user's requested size.
@@ -4743,18 +4895,41 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
 
        i9xx_set_pipeconf(intel_crtc);
 
-       intel_enable_pipe(dev_priv, pipe, false);
-
-       intel_wait_for_vblank(dev, pipe);
-
        I915_WRITE(DSPCNTR(plane), dspcntr);
        POSTING_READ(DSPCNTR(plane));
 
-       ret = intel_pipe_set_base(crtc, x, y, fb);
+       ret = intel_pipe_set_base(crtc, x, y, fb);
+
+       intel_update_watermarks(dev);
+
+       return ret;
+}
+
+static void i9xx_get_pfit_config(struct intel_crtc *crtc,
+                                struct intel_crtc_config *pipe_config)
+{
+       struct drm_device *dev = crtc->base.dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       uint32_t tmp;
 
-       intel_update_watermarks(dev);
+       tmp = I915_READ(PFIT_CONTROL);
+       if (!(tmp & PFIT_ENABLE))
+               return;
 
-       return ret;
+       /* Check whether the pfit is attached to our pipe. */
+       if (INTEL_INFO(dev)->gen < 4) {
+               if (crtc->pipe != PIPE_B)
+                       return;
+       } else {
+               if ((tmp & PFIT_PIPE_MASK) != (crtc->pipe << PFIT_PIPE_SHIFT))
+                       return;
+       }
+
+       pipe_config->gmch_pfit.control = tmp;
+       pipe_config->gmch_pfit.pgm_ratios = I915_READ(PFIT_PGM_RATIOS);
+       if (INTEL_INFO(dev)->gen < 5)
+               pipe_config->gmch_pfit.lvds_border_bits =
+                       I915_READ(LVDS) & LVDS_BORDER_ENABLE;
 }
 
 static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
@@ -4764,10 +4939,34 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
        struct drm_i915_private *dev_priv = dev->dev_private;
        uint32_t tmp;
 
+       pipe_config->cpu_transcoder = crtc->pipe;
+       pipe_config->shared_dpll = DPLL_ID_PRIVATE;
+
        tmp = I915_READ(PIPECONF(crtc->pipe));
        if (!(tmp & PIPECONF_ENABLE))
                return false;
 
+       intel_get_pipe_timings(crtc, pipe_config);
+
+       i9xx_get_pfit_config(crtc, pipe_config);
+
+       if (INTEL_INFO(dev)->gen >= 4) {
+               tmp = I915_READ(DPLL_MD(crtc->pipe));
+               pipe_config->pixel_multiplier =
+                       ((tmp & DPLL_MD_UDI_MULTIPLIER_MASK)
+                        >> DPLL_MD_UDI_MULTIPLIER_SHIFT) + 1;
+       } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
+               tmp = I915_READ(DPLL(crtc->pipe));
+               pipe_config->pixel_multiplier =
+                       ((tmp & SDVO_MULTIPLIER_MASK)
+                        >> SDVO_MULTIPLIER_SHIFT_HIRES) + 1;
+       } else {
+               /* Note that on i915G/GM the pixel multiplier is in the sdvo
+                * port and will be fixed up in the encoder->get_config
+                * function. */
+               pipe_config->pixel_multiplier = 1;
+       }
+
        return true;
 }
 
@@ -4779,7 +4978,6 @@ static void ironlake_init_pch_refclk(struct drm_device *dev)
        u32 val, final;
        bool has_lvds = false;
        bool has_cpu_edp = false;
-       bool has_pch_edp = false;
        bool has_panel = false;
        bool has_ck505 = false;
        bool can_ssc = false;
@@ -4794,25 +4992,22 @@ static void ironlake_init_pch_refclk(struct drm_device *dev)
                        break;
                case INTEL_OUTPUT_EDP:
                        has_panel = true;
-                       if (intel_encoder_is_pch_edp(&encoder->base))
-                               has_pch_edp = true;
-                       else
+                       if (enc_to_dig_port(&encoder->base)->port == PORT_A)
                                has_cpu_edp = true;
                        break;
                }
        }
 
        if (HAS_PCH_IBX(dev)) {
-               has_ck505 = dev_priv->display_clock_mode;
+               has_ck505 = dev_priv->vbt.display_clock_mode;
                can_ssc = has_ck505;
        } else {
                has_ck505 = false;
                can_ssc = true;
        }
 
-       DRM_DEBUG_KMS("has_panel %d has_lvds %d has_pch_edp %d has_cpu_edp %d has_ck505 %d\n",
-                     has_panel, has_lvds, has_pch_edp, has_cpu_edp,
-                     has_ck505);
+       DRM_DEBUG_KMS("has_panel %d has_lvds %d has_ck505 %d\n",
+                     has_panel, has_lvds, has_ck505);
 
        /* Ironlake: try to setup display ref clock before DPLL
         * enabling. This is only under driver's control after
@@ -5102,7 +5297,6 @@ static int ironlake_get_refclk(struct drm_crtc *crtc)
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_encoder *encoder;
-       struct intel_encoder *edp_encoder = NULL;
        int num_connectors = 0;
        bool is_lvds = false;
 
@@ -5111,34 +5305,28 @@ static int ironlake_get_refclk(struct drm_crtc *crtc)
                case INTEL_OUTPUT_LVDS:
                        is_lvds = true;
                        break;
-               case INTEL_OUTPUT_EDP:
-                       edp_encoder = encoder;
-                       break;
                }
                num_connectors++;
        }
 
        if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) {
                DRM_DEBUG_KMS("using SSC reference clock of %d MHz\n",
-                             dev_priv->lvds_ssc_freq);
-               return dev_priv->lvds_ssc_freq * 1000;
+                             dev_priv->vbt.lvds_ssc_freq);
+               return dev_priv->vbt.lvds_ssc_freq * 1000;
        }
 
        return 120000;
 }
 
-static void ironlake_set_pipeconf(struct drm_crtc *crtc,
-                                 struct drm_display_mode *adjusted_mode,
-                                 bool dither)
+static void ironlake_set_pipeconf(struct drm_crtc *crtc)
 {
        struct drm_i915_private *dev_priv = crtc->dev->dev_private;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int pipe = intel_crtc->pipe;
        uint32_t val;
 
-       val = I915_READ(PIPECONF(pipe));
+       val = 0;
 
-       val &= ~PIPECONF_BPC_MASK;
        switch (intel_crtc->config.pipe_bpp) {
        case 18:
                val |= PIPECONF_6BPC;
@@ -5157,20 +5345,16 @@ static void ironlake_set_pipeconf(struct drm_crtc *crtc,
                BUG();
        }
 
-       val &= ~(PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_MASK);
-       if (dither)
+       if (intel_crtc->config.dither)
                val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP);
 
-       val &= ~PIPECONF_INTERLACE_MASK;
-       if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
+       if (intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE)
                val |= PIPECONF_INTERLACED_ILK;
        else
                val |= PIPECONF_PROGRESSIVE;
 
        if (intel_crtc->config.limited_color_range)
                val |= PIPECONF_COLOR_RANGE_SELECT;
-       else
-               val &= ~PIPECONF_COLOR_RANGE_SELECT;
 
        I915_WRITE(PIPECONF(pipe), val);
        POSTING_READ(PIPECONF(pipe));
@@ -5240,33 +5424,31 @@ static void intel_set_pipe_csc(struct drm_crtc *crtc)
        }
 }
 
-static void haswell_set_pipeconf(struct drm_crtc *crtc,
-                                struct drm_display_mode *adjusted_mode,
-                                bool dither)
+static void haswell_set_pipeconf(struct drm_crtc *crtc)
 {
        struct drm_i915_private *dev_priv = crtc->dev->dev_private;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder;
        uint32_t val;
 
-       val = I915_READ(PIPECONF(cpu_transcoder));
+       val = 0;
 
-       val &= ~(PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_MASK);
-       if (dither)
+       if (intel_crtc->config.dither)
                val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP);
 
-       val &= ~PIPECONF_INTERLACE_MASK_HSW;
-       if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
+       if (intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE)
                val |= PIPECONF_INTERLACED_ILK;
        else
                val |= PIPECONF_PROGRESSIVE;
 
        I915_WRITE(PIPECONF(cpu_transcoder), val);
        POSTING_READ(PIPECONF(cpu_transcoder));
+
+       I915_WRITE(GAMMA_MODE(intel_crtc->pipe), GAMMA_MODE_MODE_8BIT);
+       POSTING_READ(GAMMA_MODE(intel_crtc->pipe));
 }
 
 static bool ironlake_compute_clocks(struct drm_crtc *crtc,
-                                   struct drm_display_mode *adjusted_mode,
                                    intel_clock_t *clock,
                                    bool *has_reduced_clock,
                                    intel_clock_t *reduced_clock)
@@ -5276,22 +5458,13 @@ static bool ironlake_compute_clocks(struct drm_crtc *crtc,
        struct intel_encoder *intel_encoder;
        int refclk;
        const intel_limit_t *limit;
-       bool ret, is_sdvo = false, is_tv = false, is_lvds = false;
+       bool ret, is_lvds = false;
 
        for_each_encoder_on_crtc(dev, crtc, intel_encoder) {
                switch (intel_encoder->type) {
                case INTEL_OUTPUT_LVDS:
                        is_lvds = true;
                        break;
-               case INTEL_OUTPUT_SDVO:
-               case INTEL_OUTPUT_HDMI:
-                       is_sdvo = true;
-                       if (intel_encoder->needs_tv_clock)
-                               is_tv = true;
-                       break;
-               case INTEL_OUTPUT_TVOUT:
-                       is_tv = true;
-                       break;
                }
        }
 
@@ -5303,8 +5476,9 @@ static bool ironlake_compute_clocks(struct drm_crtc *crtc,
         * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2.
         */
        limit = intel_limit(crtc, refclk);
-       ret = limit->find_pll(limit, crtc, adjusted_mode->clock, refclk, NULL,
-                             clock);
+       ret = dev_priv->display.find_dpll(limit, crtc,
+                                         to_intel_crtc(crtc)->config.port_clock,
+                                         refclk, NULL, clock);
        if (!ret)
                return false;
 
@@ -5315,16 +5489,13 @@ static bool ironlake_compute_clocks(struct drm_crtc *crtc,
                 * by using the FP0/FP1. In such case we will disable the LVDS
                 * downclock feature.
                */
-               *has_reduced_clock = limit->find_pll(limit, crtc,
-                                                    dev_priv->lvds_downclock,
-                                                    refclk,
-                                                    clock,
-                                                    reduced_clock);
+               *has_reduced_clock =
+                       dev_priv->display.find_dpll(limit, crtc,
+                                                   dev_priv->lvds_downclock,
+                                                   refclk, clock,
+                                                   reduced_clock);
        }
 
-       if (is_sdvo && is_tv)
-               i9xx_adjust_sdvo_tv_clock(to_intel_crtc(crtc));
-
        return true;
 }
 
@@ -5346,65 +5517,25 @@ static void cpt_enable_fdi_bc_bifurcation(struct drm_device *dev)
        POSTING_READ(SOUTH_CHICKEN1);
 }
 
-static bool ironlake_check_fdi_lanes(struct intel_crtc *intel_crtc)
+static void ivybridge_update_fdi_bc_bifurcation(struct intel_crtc *intel_crtc)
 {
        struct drm_device *dev = intel_crtc->base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_crtc *pipe_B_crtc =
-               to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_B]);
-
-       DRM_DEBUG_KMS("checking fdi config on pipe %i, lanes %i\n",
-                     intel_crtc->pipe, intel_crtc->fdi_lanes);
-       if (intel_crtc->fdi_lanes > 4) {
-               DRM_DEBUG_KMS("invalid fdi lane config on pipe %i: %i lanes\n",
-                             intel_crtc->pipe, intel_crtc->fdi_lanes);
-               /* Clamp lanes to avoid programming the hw with bogus values. */
-               intel_crtc->fdi_lanes = 4;
-
-               return false;
-       }
-
-       if (INTEL_INFO(dev)->num_pipes == 2)
-               return true;
 
        switch (intel_crtc->pipe) {
        case PIPE_A:
-               return true;
+               break;
        case PIPE_B:
-               if (dev_priv->pipe_to_crtc_mapping[PIPE_C]->enabled &&
-                   intel_crtc->fdi_lanes > 2) {
-                       DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %i: %i lanes\n",
-                                     intel_crtc->pipe, intel_crtc->fdi_lanes);
-                       /* Clamp lanes to avoid programming the hw with bogus values. */
-                       intel_crtc->fdi_lanes = 2;
-
-                       return false;
-               }
-
-               if (intel_crtc->fdi_lanes > 2)
+               if (intel_crtc->config.fdi_lanes > 2)
                        WARN_ON(I915_READ(SOUTH_CHICKEN1) & FDI_BC_BIFURCATION_SELECT);
                else
                        cpt_enable_fdi_bc_bifurcation(dev);
 
-               return true;
+               break;
        case PIPE_C:
-               if (!pipe_B_crtc->base.enabled || pipe_B_crtc->fdi_lanes <= 2) {
-                       if (intel_crtc->fdi_lanes > 2) {
-                               DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %i: %i lanes\n",
-                                             intel_crtc->pipe, intel_crtc->fdi_lanes);
-                               /* Clamp lanes to avoid programming the hw with bogus values. */
-                               intel_crtc->fdi_lanes = 2;
-
-                               return false;
-                       }
-               } else {
-                       DRM_DEBUG_KMS("fdi link B uses too many lanes to enable link C\n");
-                       return false;
-               }
-
                cpt_enable_fdi_bc_bifurcation(dev);
 
-               return true;
+               break;
        default:
                BUG();
        }
@@ -5421,78 +5552,13 @@ int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp)
        return bps / (link_bw * 8) + 1;
 }
 
-void intel_pch_transcoder_set_m_n(struct intel_crtc *crtc,
-                                 struct intel_link_m_n *m_n)
-{
-       struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       int pipe = crtc->pipe;
-
-       I915_WRITE(TRANSDATA_M1(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m);
-       I915_WRITE(TRANSDATA_N1(pipe), m_n->gmch_n);
-       I915_WRITE(TRANSDPLINK_M1(pipe), m_n->link_m);
-       I915_WRITE(TRANSDPLINK_N1(pipe), m_n->link_n);
-}
-
-void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc,
-                                 struct intel_link_m_n *m_n)
-{
-       struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       int pipe = crtc->pipe;
-       enum transcoder transcoder = crtc->config.cpu_transcoder;
-
-       if (INTEL_INFO(dev)->gen >= 5) {
-               I915_WRITE(PIPE_DATA_M1(transcoder), TU_SIZE(m_n->tu) | m_n->gmch_m);
-               I915_WRITE(PIPE_DATA_N1(transcoder), m_n->gmch_n);
-               I915_WRITE(PIPE_LINK_M1(transcoder), m_n->link_m);
-               I915_WRITE(PIPE_LINK_N1(transcoder), m_n->link_n);
-       } else {
-               I915_WRITE(PIPE_GMCH_DATA_M(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m);
-               I915_WRITE(PIPE_GMCH_DATA_N(pipe), m_n->gmch_n);
-               I915_WRITE(PIPE_DP_LINK_M(pipe), m_n->link_m);
-               I915_WRITE(PIPE_DP_LINK_N(pipe), m_n->link_n);
-       }
-}
-
-static void ironlake_fdi_set_m_n(struct drm_crtc *crtc)
+static bool ironlake_needs_fb_cb_tune(struct dpll *dpll, int factor)
 {
-       struct drm_device *dev = crtc->dev;
-       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct drm_display_mode *adjusted_mode =
-               &intel_crtc->config.adjusted_mode;
-       struct intel_link_m_n m_n = {0};
-       int target_clock, lane, link_bw;
-
-       /* FDI is a binary signal running at ~2.7GHz, encoding
-        * each output octet as 10 bits. The actual frequency
-        * is stored as a divider into a 100MHz clock, and the
-        * mode pixel clock is stored in units of 1KHz.
-        * Hence the bw of each lane in terms of the mode signal
-        * is:
-        */
-       link_bw = intel_fdi_link_freq(dev) * MHz(100)/KHz(1)/10;
-
-       if (intel_crtc->config.pixel_target_clock)
-               target_clock = intel_crtc->config.pixel_target_clock;
-       else
-               target_clock = adjusted_mode->clock;
-
-       lane = ironlake_get_lanes_required(target_clock, link_bw,
-                                          intel_crtc->config.pipe_bpp);
-
-       intel_crtc->fdi_lanes = lane;
-
-       if (intel_crtc->config.pixel_multiplier > 1)
-               link_bw *= intel_crtc->config.pixel_multiplier;
-       intel_link_compute_m_n(intel_crtc->config.pipe_bpp, lane, target_clock,
-                              link_bw, &m_n);
-
-       intel_cpu_transcoder_set_m_n(intel_crtc, &m_n);
+       return i9xx_dpll_compute_m(dpll) < factor * dpll->n;
 }
 
 static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc,
-                                     intel_clock_t *clock, u32 *fp,
+                                     u32 *fp,
                                      intel_clock_t *reduced_clock, u32 *fp2)
 {
        struct drm_crtc *crtc = &intel_crtc->base;
@@ -5501,7 +5567,7 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc,
        struct intel_encoder *intel_encoder;
        uint32_t dpll;
        int factor, num_connectors = 0;
-       bool is_lvds = false, is_sdvo = false, is_tv = false;
+       bool is_lvds = false, is_sdvo = false;
 
        for_each_encoder_on_crtc(dev, crtc, intel_encoder) {
                switch (intel_encoder->type) {
@@ -5511,11 +5577,6 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc,
                case INTEL_OUTPUT_SDVO:
                case INTEL_OUTPUT_HDMI:
                        is_sdvo = true;
-                       if (intel_encoder->needs_tv_clock)
-                               is_tv = true;
-                       break;
-               case INTEL_OUTPUT_TVOUT:
-                       is_tv = true;
                        break;
                }
 
@@ -5526,13 +5587,13 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc,
        factor = 21;
        if (is_lvds) {
                if ((intel_panel_use_ssc(dev_priv) &&
-                    dev_priv->lvds_ssc_freq == 100) ||
+                    dev_priv->vbt.lvds_ssc_freq == 100) ||
                    (HAS_PCH_IBX(dev) && intel_is_dual_link_lvds(dev)))
                        factor = 25;
-       } else if (is_sdvo && is_tv)
+       } else if (intel_crtc->config.sdvo_tv_clock)
                factor = 20;
 
-       if (clock->m < factor * clock->n)
+       if (ironlake_needs_fb_cb_tune(&intel_crtc->config.dpll, factor))
                *fp |= FP_CB_TUNE;
 
        if (fp2 && (reduced_clock->m < factor * reduced_clock->n))
@@ -5544,23 +5605,21 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc,
                dpll |= DPLLB_MODE_LVDS;
        else
                dpll |= DPLLB_MODE_DAC_SERIAL;
-       if (is_sdvo) {
-               if (intel_crtc->config.pixel_multiplier > 1) {
-                       dpll |= (intel_crtc->config.pixel_multiplier - 1)
-                               << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT;
-               }
+
+       dpll |= (intel_crtc->config.pixel_multiplier - 1)
+               << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT;
+
+       if (is_sdvo)
                dpll |= DPLL_DVO_HIGH_SPEED;
-       }
-       if (intel_crtc->config.has_dp_encoder &&
-           intel_crtc->config.has_pch_encoder)
+       if (intel_crtc->config.has_dp_encoder)
                dpll |= DPLL_DVO_HIGH_SPEED;
 
        /* compute bitmask from p1 value */
-       dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT;
+       dpll |= (1 << (intel_crtc->config.dpll.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT;
        /* also FPA1 */
-       dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT;
+       dpll |= (1 << (intel_crtc->config.dpll.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT;
 
-       switch (clock->p2) {
+       switch (intel_crtc->config.dpll.p2) {
        case 5:
                dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5;
                break;
@@ -5575,18 +5634,12 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc,
                break;
        }
 
-       if (is_sdvo && is_tv)
-               dpll |= PLL_REF_INPUT_TVCLKINBC;
-       else if (is_tv)
-               /* XXX: just matching BIOS for now */
-               /*      dpll |= PLL_REF_INPUT_TVCLKINBC; */
-               dpll |= 3;
-       else if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2)
+       if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2)
                dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN;
        else
                dpll |= PLL_REF_INPUT_DREFCLK;
 
-       return dpll;
+       return dpll | DPLL_VCO_ENABLE;
 }
 
 static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
@@ -5596,19 +5649,16 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct drm_display_mode *adjusted_mode =
-               &intel_crtc->config.adjusted_mode;
-       struct drm_display_mode *mode = &intel_crtc->config.requested_mode;
        int pipe = intel_crtc->pipe;
        int plane = intel_crtc->plane;
        int num_connectors = 0;
        intel_clock_t clock, reduced_clock;
-       u32 dpll, fp = 0, fp2 = 0;
+       u32 dpll = 0, fp = 0, fp2 = 0;
        bool ok, has_reduced_clock = false;
        bool is_lvds = false;
        struct intel_encoder *encoder;
+       struct intel_shared_dpll *pll;
        int ret;
-       bool dither, fdi_config_ok;
 
        for_each_encoder_on_crtc(dev, crtc, encoder) {
                switch (encoder->type) {
@@ -5623,11 +5673,9 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
        WARN(!(HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)),
             "Unexpected PCH type %d\n", INTEL_PCH_TYPE(dev));
 
-       intel_crtc->config.cpu_transcoder = pipe;
-
-       ok = ironlake_compute_clocks(crtc, adjusted_mode, &clock,
+       ok = ironlake_compute_clocks(crtc, &clock,
                                     &has_reduced_clock, &reduced_clock);
-       if (!ok) {
+       if (!ok && !intel_crtc->config.clock_set) {
                DRM_ERROR("Couldn't find PLL settings for mode!\n");
                return -EINVAL;
        }
@@ -5643,34 +5691,31 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
        /* Ensure that the cursor is valid for the new mode before changing... */
        intel_crtc_update_cursor(crtc, true);
 
-       /* determine panel color depth */
-       dither = intel_crtc->config.dither;
-       if (is_lvds && dev_priv->lvds_dither)
-               dither = true;
-
-       fp = clock.n << 16 | clock.m1 << 8 | clock.m2;
-       if (has_reduced_clock)
-               fp2 = reduced_clock.n << 16 | reduced_clock.m1 << 8 |
-                       reduced_clock.m2;
-
-       dpll = ironlake_compute_dpll(intel_crtc, &clock, &fp, &reduced_clock,
-                                    has_reduced_clock ? &fp2 : NULL);
-
-       DRM_DEBUG_KMS("Mode for pipe %d:\n", pipe);
-       drm_mode_debug_printmodeline(mode);
-
        /* CPU eDP is the only output that doesn't need a PCH PLL of its own. */
        if (intel_crtc->config.has_pch_encoder) {
-               struct intel_pch_pll *pll;
+               fp = i9xx_dpll_compute_fp(&intel_crtc->config.dpll);
+               if (has_reduced_clock)
+                       fp2 = i9xx_dpll_compute_fp(&reduced_clock);
+
+               dpll = ironlake_compute_dpll(intel_crtc,
+                                            &fp, &reduced_clock,
+                                            has_reduced_clock ? &fp2 : NULL);
+
+               intel_crtc->config.dpll_hw_state.dpll = dpll;
+               intel_crtc->config.dpll_hw_state.fp0 = fp;
+               if (has_reduced_clock)
+                       intel_crtc->config.dpll_hw_state.fp1 = fp2;
+               else
+                       intel_crtc->config.dpll_hw_state.fp1 = fp;
 
-               pll = intel_get_pch_pll(intel_crtc, dpll, fp);
+               pll = intel_get_shared_dpll(intel_crtc, dpll, fp);
                if (pll == NULL) {
-                       DRM_DEBUG_DRIVER("failed to find PLL for pipe %d\n",
-                                        pipe);
+                       DRM_DEBUG_DRIVER("failed to find PLL for pipe %c\n",
+                                        pipe_name(pipe));
                        return -EINVAL;
                }
        } else
-               intel_put_pch_pll(intel_crtc);
+               intel_put_shared_dpll(intel_crtc);
 
        if (intel_crtc->config.has_dp_encoder)
                intel_dp_set_m_n(intel_crtc);
@@ -5679,11 +5724,18 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
                if (encoder->pre_pll_enable)
                        encoder->pre_pll_enable(encoder);
 
-       if (intel_crtc->pch_pll) {
-               I915_WRITE(intel_crtc->pch_pll->pll_reg, dpll);
+       if (is_lvds && has_reduced_clock && i915_powersave)
+               intel_crtc->lowfreq_avail = true;
+       else
+               intel_crtc->lowfreq_avail = false;
+
+       if (intel_crtc->config.has_pch_encoder) {
+               pll = intel_crtc_to_shared_dpll(intel_crtc);
+
+               I915_WRITE(PCH_DPLL(pll->id), dpll);
 
                /* Wait for the clocks to stabilize. */
-               POSTING_READ(intel_crtc->pch_pll->pll_reg);
+               POSTING_READ(PCH_DPLL(pll->id));
                udelay(150);
 
                /* The pixel multiplier can only be updated once the
@@ -5691,32 +5743,25 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
                 *
                 * So write it again.
                 */
-               I915_WRITE(intel_crtc->pch_pll->pll_reg, dpll);
-       }
+               I915_WRITE(PCH_DPLL(pll->id), dpll);
 
-       intel_crtc->lowfreq_avail = false;
-       if (intel_crtc->pch_pll) {
-               if (is_lvds && has_reduced_clock && i915_powersave) {
-                       I915_WRITE(intel_crtc->pch_pll->fp1_reg, fp2);
-                       intel_crtc->lowfreq_avail = true;
-               } else {
-                       I915_WRITE(intel_crtc->pch_pll->fp1_reg, fp);
-               }
+               if (has_reduced_clock)
+                       I915_WRITE(PCH_FP1(pll->id), fp2);
+               else
+                       I915_WRITE(PCH_FP1(pll->id), fp);
        }
 
-       intel_set_pipe_timings(intel_crtc, mode, adjusted_mode);
+       intel_set_pipe_timings(intel_crtc);
 
-       /* Note, this also computes intel_crtc->fdi_lanes which is used below in
-        * ironlake_check_fdi_lanes. */
-       intel_crtc->fdi_lanes = 0;
-       if (intel_crtc->config.has_pch_encoder)
-               ironlake_fdi_set_m_n(crtc);
-
-       fdi_config_ok = ironlake_check_fdi_lanes(intel_crtc);
+       if (intel_crtc->config.has_pch_encoder) {
+               intel_cpu_transcoder_set_m_n(intel_crtc,
+                                            &intel_crtc->config.fdi_m_n);
+       }
 
-       ironlake_set_pipeconf(crtc, adjusted_mode, dither);
+       if (IS_IVYBRIDGE(dev))
+               ivybridge_update_fdi_bc_bifurcation(intel_crtc);
 
-       intel_wait_for_vblank(dev, pipe);
+       ironlake_set_pipeconf(crtc);
 
        /* Set up the display plane register */
        I915_WRITE(DSPCNTR(plane), DISPPLANE_GAMMA_ENABLE);
@@ -5726,9 +5771,46 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
 
        intel_update_watermarks(dev);
 
-       intel_update_linetime_watermarks(dev, pipe, adjusted_mode);
+       return ret;
+}
+
+static void ironlake_get_fdi_m_n_config(struct intel_crtc *crtc,
+                                       struct intel_crtc_config *pipe_config)
+{
+       struct drm_device *dev = crtc->base.dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       enum transcoder transcoder = pipe_config->cpu_transcoder;
+
+       pipe_config->fdi_m_n.link_m = I915_READ(PIPE_LINK_M1(transcoder));
+       pipe_config->fdi_m_n.link_n = I915_READ(PIPE_LINK_N1(transcoder));
+       pipe_config->fdi_m_n.gmch_m = I915_READ(PIPE_DATA_M1(transcoder))
+                                       & ~TU_SIZE_MASK;
+       pipe_config->fdi_m_n.gmch_n = I915_READ(PIPE_DATA_N1(transcoder));
+       pipe_config->fdi_m_n.tu = ((I915_READ(PIPE_DATA_M1(transcoder))
+                                  & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1;
+}
+
+static void ironlake_get_pfit_config(struct intel_crtc *crtc,
+                                    struct intel_crtc_config *pipe_config)
+{
+       struct drm_device *dev = crtc->base.dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       uint32_t tmp;
+
+       tmp = I915_READ(PF_CTL(crtc->pipe));
+
+       if (tmp & PF_ENABLE) {
+               pipe_config->pch_pfit.pos = I915_READ(PF_WIN_POS(crtc->pipe));
+               pipe_config->pch_pfit.size = I915_READ(PF_WIN_SZ(crtc->pipe));
 
-       return fdi_config_ok ? ret : -EINVAL;
+               /* We currently do not free assignements of panel fitters on
+                * ivb/hsw (since we don't use the higher upscaling modes which
+                * differentiates them) so just WARN about this case for now. */
+               if (IS_GEN7(dev)) {
+                       WARN_ON((tmp & PF_PIPE_SEL_MASK_IVB) !=
+                               PF_PIPE_SEL_IVB(crtc->pipe));
+               }
+       }
 }
 
 static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
@@ -5738,42 +5820,67 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
        struct drm_i915_private *dev_priv = dev->dev_private;
        uint32_t tmp;
 
+       pipe_config->cpu_transcoder = crtc->pipe;
+       pipe_config->shared_dpll = DPLL_ID_PRIVATE;
+
        tmp = I915_READ(PIPECONF(crtc->pipe));
        if (!(tmp & PIPECONF_ENABLE))
                return false;
 
-       if (I915_READ(TRANSCONF(crtc->pipe)) & TRANS_ENABLE)
+       if (I915_READ(PCH_TRANSCONF(crtc->pipe)) & TRANS_ENABLE) {
+               struct intel_shared_dpll *pll;
+
                pipe_config->has_pch_encoder = true;
 
+               tmp = I915_READ(FDI_RX_CTL(crtc->pipe));
+               pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >>
+                                         FDI_DP_PORT_WIDTH_SHIFT) + 1;
+
+               ironlake_get_fdi_m_n_config(crtc, pipe_config);
+
+               /* XXX: Can't properly read out the pch dpll pixel multiplier
+                * since we don't have state tracking for pch clocks yet. */
+               pipe_config->pixel_multiplier = 1;
+
+               if (HAS_PCH_IBX(dev_priv->dev)) {
+                       pipe_config->shared_dpll = crtc->pipe;
+               } else {
+                       tmp = I915_READ(PCH_DPLL_SEL);
+                       if (tmp & TRANS_DPLLB_SEL(crtc->pipe))
+                               pipe_config->shared_dpll = DPLL_ID_PCH_PLL_B;
+                       else
+                               pipe_config->shared_dpll = DPLL_ID_PCH_PLL_A;
+               }
+
+               pll = &dev_priv->shared_dplls[pipe_config->shared_dpll];
+
+               WARN_ON(!pll->get_hw_state(dev_priv, pll,
+                                          &pipe_config->dpll_hw_state));
+       } else {
+               pipe_config->pixel_multiplier = 1;
+       }
+
+       intel_get_pipe_timings(crtc, pipe_config);
+
+       ironlake_get_pfit_config(crtc, pipe_config);
+
        return true;
 }
 
 static void haswell_modeset_global_resources(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
        bool enable = false;
        struct intel_crtc *crtc;
-       struct intel_encoder *encoder;
 
        list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) {
-               if (crtc->pipe != PIPE_A && crtc->base.enabled)
-                       enable = true;
-               /* XXX: Should check for edp transcoder here, but thanks to init
-                * sequence that's not yet available. Just in case desktop eDP
-                * on PORT D is possible on haswell, too. */
-       }
+               if (!crtc->base.enabled)
+                       continue;
 
-       list_for_each_entry(encoder, &dev->mode_config.encoder_list,
-                           base.head) {
-               if (encoder->type != INTEL_OUTPUT_EDP &&
-                   encoder->connectors_active)
+               if (crtc->pipe != PIPE_A || crtc->config.pch_pfit.size ||
+                   crtc->config.cpu_transcoder != TRANSCODER_EDP)
                        enable = true;
        }
 
-       /* Even the eDP panel fitter is outside the always-on well. */
-       if (dev_priv->pch_pf_size)
-               enable = true;
-
        intel_set_power_well(dev, enable);
 }
 
@@ -5784,68 +5891,28 @@ static int haswell_crtc_mode_set(struct drm_crtc *crtc,
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct drm_display_mode *adjusted_mode =
-               &intel_crtc->config.adjusted_mode;
-       struct drm_display_mode *mode = &intel_crtc->config.requested_mode;
-       int pipe = intel_crtc->pipe;
        int plane = intel_crtc->plane;
-       int num_connectors = 0;
-       bool is_cpu_edp = false;
-       struct intel_encoder *encoder;
        int ret;
-       bool dither;
-
-       for_each_encoder_on_crtc(dev, crtc, encoder) {
-               switch (encoder->type) {
-               case INTEL_OUTPUT_EDP:
-                       if (!intel_encoder_is_pch_edp(&encoder->base))
-                               is_cpu_edp = true;
-                       break;
-               }
-
-               num_connectors++;
-       }
-
-       if (is_cpu_edp)
-               intel_crtc->config.cpu_transcoder = TRANSCODER_EDP;
-       else
-               intel_crtc->config.cpu_transcoder = pipe;
 
-       /* We are not sure yet this won't happen. */
-       WARN(!HAS_PCH_LPT(dev), "Unexpected PCH type %d\n",
-            INTEL_PCH_TYPE(dev));
-
-       WARN(num_connectors != 1, "%d connectors attached to pipe %c\n",
-            num_connectors, pipe_name(pipe));
-
-       WARN_ON(I915_READ(PIPECONF(intel_crtc->config.cpu_transcoder)) &
-               (PIPECONF_ENABLE | I965_PIPECONF_ACTIVE));
-
-       WARN_ON(I915_READ(DSPCNTR(plane)) & DISPLAY_PLANE_ENABLE);
-
-       if (!intel_ddi_pll_mode_set(crtc, adjusted_mode->clock))
+       if (!intel_ddi_pll_mode_set(crtc))
                return -EINVAL;
 
        /* Ensure that the cursor is valid for the new mode before changing... */
        intel_crtc_update_cursor(crtc, true);
 
-       /* determine panel color depth */
-       dither = intel_crtc->config.dither;
-
-       DRM_DEBUG_KMS("Mode for pipe %d:\n", pipe);
-       drm_mode_debug_printmodeline(mode);
-
        if (intel_crtc->config.has_dp_encoder)
                intel_dp_set_m_n(intel_crtc);
 
        intel_crtc->lowfreq_avail = false;
 
-       intel_set_pipe_timings(intel_crtc, mode, adjusted_mode);
+       intel_set_pipe_timings(intel_crtc);
 
-       if (intel_crtc->config.has_pch_encoder)
-               ironlake_fdi_set_m_n(crtc);
+       if (intel_crtc->config.has_pch_encoder) {
+               intel_cpu_transcoder_set_m_n(intel_crtc,
+                                            &intel_crtc->config.fdi_m_n);
+       }
 
-       haswell_set_pipeconf(crtc, adjusted_mode, dither);
+       haswell_set_pipeconf(crtc);
 
        intel_set_pipe_csc(crtc);
 
@@ -5857,8 +5924,6 @@ static int haswell_crtc_mode_set(struct drm_crtc *crtc,
 
        intel_update_watermarks(dev);
 
-       intel_update_linetime_watermarks(dev, pipe, adjusted_mode);
-
        return ret;
 }
 
@@ -5867,22 +5932,69 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc,
 {
        struct drm_device *dev = crtc->base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
+       enum intel_display_power_domain pfit_domain;
        uint32_t tmp;
 
-       tmp = I915_READ(PIPECONF(crtc->config.cpu_transcoder));
+       pipe_config->cpu_transcoder = crtc->pipe;
+       pipe_config->shared_dpll = DPLL_ID_PRIVATE;
+
+       tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP));
+       if (tmp & TRANS_DDI_FUNC_ENABLE) {
+               enum pipe trans_edp_pipe;
+               switch (tmp & TRANS_DDI_EDP_INPUT_MASK) {
+               default:
+                       WARN(1, "unknown pipe linked to edp transcoder\n");
+               case TRANS_DDI_EDP_INPUT_A_ONOFF:
+               case TRANS_DDI_EDP_INPUT_A_ON:
+                       trans_edp_pipe = PIPE_A;
+                       break;
+               case TRANS_DDI_EDP_INPUT_B_ONOFF:
+                       trans_edp_pipe = PIPE_B;
+                       break;
+               case TRANS_DDI_EDP_INPUT_C_ONOFF:
+                       trans_edp_pipe = PIPE_C;
+                       break;
+               }
+
+               if (trans_edp_pipe == crtc->pipe)
+                       pipe_config->cpu_transcoder = TRANSCODER_EDP;
+       }
+
+       if (!intel_display_power_enabled(dev,
+                       POWER_DOMAIN_TRANSCODER(pipe_config->cpu_transcoder)))
+               return false;
+
+       tmp = I915_READ(PIPECONF(pipe_config->cpu_transcoder));
        if (!(tmp & PIPECONF_ENABLE))
                return false;
 
        /*
-        * aswell has only FDI/PCH transcoder A. It is which is connected to
+        * Haswell has only FDI/PCH transcoder A. It is which is connected to
         * DDI E. So just check whether this pipe is wired to DDI E and whether
         * the PCH transcoder is on.
         */
-       tmp = I915_READ(TRANS_DDI_FUNC_CTL(crtc->pipe));
+       tmp = I915_READ(TRANS_DDI_FUNC_CTL(pipe_config->cpu_transcoder));
        if ((tmp & TRANS_DDI_PORT_MASK) == TRANS_DDI_SELECT_PORT(PORT_E) &&
-           I915_READ(TRANSCONF(PIPE_A)) & TRANS_ENABLE)
+           I915_READ(LPT_TRANSCONF) & TRANS_ENABLE) {
                pipe_config->has_pch_encoder = true;
 
+               tmp = I915_READ(FDI_RX_CTL(PIPE_A));
+               pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >>
+                                         FDI_DP_PORT_WIDTH_SHIFT) + 1;
+
+               ironlake_get_fdi_m_n_config(crtc, pipe_config);
+       }
+
+       intel_get_pipe_timings(crtc, pipe_config);
+
+       pfit_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe);
+       if (intel_display_power_enabled(dev, pfit_domain))
+               ironlake_get_pfit_config(crtc, pipe_config);
+
+       pipe_config->ips_enabled = hsw_crtc_supports_ips(crtc) &&
+                                  (I915_READ(IPS_CTL) & IPS_ENABLE);
+
+       pipe_config->pixel_multiplier = 1;
 
        return true;
 }
@@ -6120,7 +6232,7 @@ static void ironlake_write_eld(struct drm_connector *connector,
                eldv |= IBX_ELD_VALIDB << 4;
                eldv |= IBX_ELD_VALIDB << 8;
        } else {
-               DRM_DEBUG_DRIVER("ELD on port %c\n", 'A' + i);
+               DRM_DEBUG_DRIVER("ELD on port %c\n", port_name(i));
                eldv = IBX_ELD_VALIDB << ((i - 1) * 4);
        }
 
@@ -6188,16 +6300,31 @@ void intel_crtc_load_lut(struct drm_crtc *crtc)
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       int palreg = PALETTE(intel_crtc->pipe);
+       enum pipe pipe = intel_crtc->pipe;
+       int palreg = PALETTE(pipe);
        int i;
+       bool reenable_ips = false;
 
        /* The clocks have to be on to load the palette. */
        if (!crtc->enabled || !intel_crtc->active)
                return;
 
+       if (!HAS_PCH_SPLIT(dev_priv->dev))
+               assert_pll_enabled(dev_priv, pipe);
+
        /* use legacy palette for Ironlake */
        if (HAS_PCH_SPLIT(dev))
-               palreg = LGC_PALETTE(intel_crtc->pipe);
+               palreg = LGC_PALETTE(pipe);
+
+       /* Workaround : Do not read or write the pipe palette/gamma data while
+        * GAMMA_MODE is configured for split gamma and IPS_CTL has IPS enabled.
+        */
+       if (intel_crtc->config.ips_enabled &&
+           ((I915_READ(GAMMA_MODE(pipe)) & GAMMA_MODE_MODE_MASK) ==
+            GAMMA_MODE_MODE_SPLIT)) {
+               hsw_disable_ips(intel_crtc);
+               reenable_ips = true;
+       }
 
        for (i = 0; i < 256; i++) {
                I915_WRITE(palreg + 4 * i,
@@ -6205,6 +6332,9 @@ void intel_crtc_load_lut(struct drm_crtc *crtc)
                           (intel_crtc->lut_g[i] << 8) |
                           intel_crtc->lut_b[i]);
        }
+
+       if (reenable_ips)
+               hsw_enable_ips(intel_crtc);
 }
 
 static void i845_update_cursor(struct drm_crtc *crtc, u32 base)
@@ -6451,7 +6581,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
        intel_crtc->cursor_width = width;
        intel_crtc->cursor_height = height;
 
-       intel_crtc_update_cursor(crtc, true);
+       intel_crtc_update_cursor(crtc, intel_crtc->cursor_bo != NULL);
 
        return 0;
 fail_unpin:
@@ -6470,7 +6600,7 @@ static int intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
        intel_crtc->cursor_x = x;
        intel_crtc->cursor_y = y;
 
-       intel_crtc_update_cursor(crtc, true);
+       intel_crtc_update_cursor(crtc, intel_crtc->cursor_bo != NULL);
 
        return 0;
 }
@@ -6791,8 +6921,10 @@ static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc)
                        return 0;
                }
 
-               /* XXX: Handle the 100Mhz refclk */
-               intel_clock(dev, 96000, &clock);
+               if (IS_PINEVIEW(dev))
+                       pineview_clock(96000, &clock);
+               else
+                       i9xx_clock(96000, &clock);
        } else {
                bool is_lvds = (pipe == 1) && (I915_READ(LVDS) & LVDS_PORT_EN);
 
@@ -6804,9 +6936,9 @@ static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc)
                        if ((dpll & PLL_REF_INPUT_MASK) ==
                            PLLB_REF_INPUT_SPREADSPECTRUMIN) {
                                /* XXX: might not be 66MHz */
-                               intel_clock(dev, 66000, &clock);
+                               i9xx_clock(66000, &clock);
                        } else
-                               intel_clock(dev, 48000, &clock);
+                               i9xx_clock(48000, &clock);
                } else {
                        if (dpll & PLL_P1_DIVIDE_BY_TWO)
                                clock.p1 = 2;
@@ -6819,7 +6951,7 @@ static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc)
                        else
                                clock.p2 = 2;
 
-                       intel_clock(dev, 48000, &clock);
+                       i9xx_clock(48000, &clock);
                }
        }
 
@@ -6950,7 +7082,8 @@ void intel_mark_idle(struct drm_device *dev)
        }
 }
 
-void intel_mark_fb_busy(struct drm_i915_gem_object *obj)
+void intel_mark_fb_busy(struct drm_i915_gem_object *obj,
+                       struct intel_ring_buffer *ring)
 {
        struct drm_device *dev = obj->base.dev;
        struct drm_crtc *crtc;
@@ -6962,8 +7095,12 @@ void intel_mark_fb_busy(struct drm_i915_gem_object *obj)
                if (!crtc->fb)
                        continue;
 
-               if (to_intel_framebuffer(crtc->fb)->obj == obj)
-                       intel_increase_pllclock(crtc);
+               if (to_intel_framebuffer(crtc->fb)->obj != obj)
+                       continue;
+
+               intel_increase_pllclock(crtc);
+               if (ring && intel_fbc_enabled(dev))
+                       ring->fbc_dirty = true;
        }
 }
 
@@ -6984,6 +7121,8 @@ static void intel_crtc_destroy(struct drm_crtc *crtc)
                kfree(work);
        }
 
+       intel_crtc_cursor_set(crtc, NULL, 0, 0, 0);
+
        drm_crtc_cleanup(crtc);
 
        kfree(intel_crtc);
@@ -7411,7 +7550,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
                goto cleanup_pending;
 
        intel_disable_fbc(dev);
-       intel_mark_fb_busy(obj);
+       intel_mark_fb_busy(obj, NULL);
        mutex_unlock(&dev->struct_mutex);
 
        trace_i915_flip_request(intel_crtc->plane, obj);
@@ -7431,39 +7570,17 @@ cleanup:
        spin_unlock_irqrestore(&dev->event_lock, flags);
 
        drm_vblank_put(dev, intel_crtc->pipe);
-free_work:
-       kfree(work);
-
-       return ret;
-}
-
-static struct drm_crtc_helper_funcs intel_helper_funcs = {
-       .mode_set_base_atomic = intel_pipe_set_base_atomic,
-       .load_lut = intel_crtc_load_lut,
-};
-
-bool intel_encoder_check_is_cloned(struct intel_encoder *encoder)
-{
-       struct intel_encoder *other_encoder;
-       struct drm_crtc *crtc = &encoder->new_crtc->base;
-
-       if (WARN_ON(!crtc))
-               return false;
-
-       list_for_each_entry(other_encoder,
-                           &crtc->dev->mode_config.encoder_list,
-                           base.head) {
-
-               if (&other_encoder->new_crtc->base != crtc ||
-                   encoder == other_encoder)
-                       continue;
-               else
-                       return true;
-       }
+free_work:
+       kfree(work);
 
-       return false;
+       return ret;
 }
 
+static struct drm_crtc_helper_funcs intel_helper_funcs = {
+       .mode_set_base_atomic = intel_pipe_set_base_atomic,
+       .load_lut = intel_crtc_load_lut,
+};
+
 static bool intel_encoder_crtc_ok(struct drm_encoder *encoder,
                                  struct drm_crtc *crtc)
 {
@@ -7531,13 +7648,39 @@ static void intel_modeset_commit_output_state(struct drm_device *dev)
        }
 }
 
+static void
+connected_sink_compute_bpp(struct intel_connector * connector,
+                          struct intel_crtc_config *pipe_config)
+{
+       int bpp = pipe_config->pipe_bpp;
+
+       DRM_DEBUG_KMS("[CONNECTOR:%d:%s] checking for sink bpp constrains\n",
+               connector->base.base.id,
+               drm_get_connector_name(&connector->base));
+
+       /* Don't use an invalid EDID bpc value */
+       if (connector->base.display_info.bpc &&
+           connector->base.display_info.bpc * 3 < bpp) {
+               DRM_DEBUG_KMS("clamping display bpp (was %d) to EDID reported max of %d\n",
+                             bpp, connector->base.display_info.bpc*3);
+               pipe_config->pipe_bpp = connector->base.display_info.bpc*3;
+       }
+
+       /* Clamp bpp to 8 on screens without EDID 1.4 */
+       if (connector->base.display_info.bpc == 0 && bpp > 24) {
+               DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of 24\n",
+                             bpp);
+               pipe_config->pipe_bpp = 24;
+       }
+}
+
 static int
-pipe_config_set_bpp(struct drm_crtc *crtc,
-                   struct drm_framebuffer *fb,
-                   struct intel_crtc_config *pipe_config)
+compute_baseline_pipe_bpp(struct intel_crtc *crtc,
+                         struct drm_framebuffer *fb,
+                         struct intel_crtc_config *pipe_config)
 {
-       struct drm_device *dev = crtc->dev;
-       struct drm_connector *connector;
+       struct drm_device *dev = crtc->base.dev;
+       struct intel_connector *connector;
        int bpp;
 
        switch (fb->pixel_format) {
@@ -7580,22 +7723,66 @@ pipe_config_set_bpp(struct drm_crtc *crtc,
 
        /* Clamp display bpp to EDID value */
        list_for_each_entry(connector, &dev->mode_config.connector_list,
-                           head) {
-               if (connector->encoder && connector->encoder->crtc != crtc)
+                           base.head) {
+               if (!connector->new_encoder ||
+                   connector->new_encoder->new_crtc != crtc)
                        continue;
 
-               /* Don't use an invalid EDID bpc value */
-               if (connector->display_info.bpc &&
-                   connector->display_info.bpc * 3 < bpp) {
-                       DRM_DEBUG_KMS("clamping display bpp (was %d) to EDID reported max of %d\n",
-                                     bpp, connector->display_info.bpc*3);
-                       pipe_config->pipe_bpp = connector->display_info.bpc*3;
-               }
+               connected_sink_compute_bpp(connector, pipe_config);
        }
 
        return bpp;
 }
 
+static void intel_dump_pipe_config(struct intel_crtc *crtc,
+                                  struct intel_crtc_config *pipe_config,
+                                  const char *context)
+{
+       DRM_DEBUG_KMS("[CRTC:%d]%s config for pipe %c\n", crtc->base.base.id,
+                     context, pipe_name(crtc->pipe));
+
+       DRM_DEBUG_KMS("cpu_transcoder: %c\n", transcoder_name(pipe_config->cpu_transcoder));
+       DRM_DEBUG_KMS("pipe bpp: %i, dithering: %i\n",
+                     pipe_config->pipe_bpp, pipe_config->dither);
+       DRM_DEBUG_KMS("fdi/pch: %i, lanes: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n",
+                     pipe_config->has_pch_encoder,
+                     pipe_config->fdi_lanes,
+                     pipe_config->fdi_m_n.gmch_m, pipe_config->fdi_m_n.gmch_n,
+                     pipe_config->fdi_m_n.link_m, pipe_config->fdi_m_n.link_n,
+                     pipe_config->fdi_m_n.tu);
+       DRM_DEBUG_KMS("requested mode:\n");
+       drm_mode_debug_printmodeline(&pipe_config->requested_mode);
+       DRM_DEBUG_KMS("adjusted mode:\n");
+       drm_mode_debug_printmodeline(&pipe_config->adjusted_mode);
+       DRM_DEBUG_KMS("gmch pfit: control: 0x%08x, ratios: 0x%08x, lvds border: 0x%08x\n",
+                     pipe_config->gmch_pfit.control,
+                     pipe_config->gmch_pfit.pgm_ratios,
+                     pipe_config->gmch_pfit.lvds_border_bits);
+       DRM_DEBUG_KMS("pch pfit: pos: 0x%08x, size: 0x%08x\n",
+                     pipe_config->pch_pfit.pos,
+                     pipe_config->pch_pfit.size);
+       DRM_DEBUG_KMS("ips: %i\n", pipe_config->ips_enabled);
+}
+
+static bool check_encoder_cloning(struct drm_crtc *crtc)
+{
+       int num_encoders = 0;
+       bool uncloneable_encoders = false;
+       struct intel_encoder *encoder;
+
+       list_for_each_entry(encoder, &crtc->dev->mode_config.encoder_list,
+                           base.head) {
+               if (&encoder->new_crtc->base != crtc)
+                       continue;
+
+               num_encoders++;
+               if (!encoder->cloneable)
+                       uncloneable_encoders = true;
+       }
+
+       return !(num_encoders > 1 && uncloneable_encoders);
+}
+
 static struct intel_crtc_config *
 intel_modeset_pipe_config(struct drm_crtc *crtc,
                          struct drm_framebuffer *fb,
@@ -7605,7 +7792,13 @@ intel_modeset_pipe_config(struct drm_crtc *crtc,
        struct drm_encoder_helper_funcs *encoder_funcs;
        struct intel_encoder *encoder;
        struct intel_crtc_config *pipe_config;
-       int plane_bpp;
+       int plane_bpp, ret = -EINVAL;
+       bool retry = true;
+
+       if (!check_encoder_cloning(crtc)) {
+               DRM_DEBUG_KMS("rejecting invalid cloning configuration\n");
+               return ERR_PTR(-EINVAL);
+       }
 
        pipe_config = kzalloc(sizeof(*pipe_config), GFP_KERNEL);
        if (!pipe_config)
@@ -7613,11 +7806,23 @@ intel_modeset_pipe_config(struct drm_crtc *crtc,
 
        drm_mode_copy(&pipe_config->adjusted_mode, mode);
        drm_mode_copy(&pipe_config->requested_mode, mode);
-
-       plane_bpp = pipe_config_set_bpp(crtc, fb, pipe_config);
+       pipe_config->cpu_transcoder = to_intel_crtc(crtc)->pipe;
+       pipe_config->shared_dpll = DPLL_ID_PRIVATE;
+
+       /* Compute a starting value for pipe_config->pipe_bpp taking the source
+        * plane pixel format and any sink constraints into account. Returns the
+        * source plane bpp so that dithering can be selected on mismatches
+        * after encoders and crtc also have had their say. */
+       plane_bpp = compute_baseline_pipe_bpp(to_intel_crtc(crtc),
+                                             fb, pipe_config);
        if (plane_bpp < 0)
                goto fail;
 
+encoder_retry:
+       /* Ensure the port clock defaults are reset when retrying. */
+       pipe_config->port_clock = 0;
+       pipe_config->pixel_multiplier = 1;
+
        /* Pass our mode to the connectors and the CRTC to give them a chance to
         * adjust it according to limitations or connector properties, and also
         * a chance to reject the mode entirely.
@@ -7646,11 +7851,27 @@ intel_modeset_pipe_config(struct drm_crtc *crtc,
                }
        }
 
-       if (!(intel_crtc_compute_config(crtc, pipe_config))) {
+       /* Set default port clock if not overwritten by the encoder. Needs to be
+        * done afterwards in case the encoder adjusts the mode. */
+       if (!pipe_config->port_clock)
+               pipe_config->port_clock = pipe_config->adjusted_mode.clock;
+
+       ret = intel_crtc_compute_config(to_intel_crtc(crtc), pipe_config);
+       if (ret < 0) {
                DRM_DEBUG_KMS("CRTC fixup failed\n");
                goto fail;
        }
-       DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
+
+       if (ret == RETRY) {
+               if (WARN(!retry, "loop in pipe configuration computation\n")) {
+                       ret = -EINVAL;
+                       goto fail;
+               }
+
+               DRM_DEBUG_KMS("CRTC bw constrained, retrying\n");
+               retry = false;
+               goto encoder_retry;
+       }
 
        pipe_config->dither = pipe_config->pipe_bpp != plane_bpp;
        DRM_DEBUG_KMS("plane bpp: %i, pipe bpp: %i, dithering: %i\n",
@@ -7659,7 +7880,7 @@ intel_modeset_pipe_config(struct drm_crtc *crtc,
        return pipe_config;
 fail:
        kfree(pipe_config);
-       return ERR_PTR(-EINVAL);
+       return ERR_PTR(ret);
 }
 
 /* Computes which crtcs are affected and sets the relevant bits in the mask. For
@@ -7755,6 +7976,9 @@ intel_modeset_affected_pipes(struct drm_crtc *crtc, unsigned *modeset_pipes,
         */
        *modeset_pipes &= 1 << intel_crtc->pipe;
        *prepare_pipes &= 1 << intel_crtc->pipe;
+
+       DRM_DEBUG_KMS("set mode pipe masks: modeset: %x, prepare: %x, disable: %x\n",
+                     *modeset_pipes, *prepare_pipes, *disable_pipes);
 }
 
 static bool intel_crtc_in_use(struct drm_crtc *crtc)
@@ -7821,31 +8045,114 @@ intel_modeset_update_state(struct drm_device *dev, unsigned prepare_pipes)
        list_for_each_entry((intel_crtc), \
                            &(dev)->mode_config.crtc_list, \
                            base.head) \
-               if (mask & (1 <<(intel_crtc)->pipe)) \
+               if (mask & (1 <<(intel_crtc)->pipe))
 
 static bool
-intel_pipe_config_compare(struct intel_crtc_config *current_config,
+intel_pipe_config_compare(struct drm_device *dev,
+                         struct intel_crtc_config *current_config,
                          struct intel_crtc_config *pipe_config)
 {
-       if (current_config->has_pch_encoder != pipe_config->has_pch_encoder) {
-               DRM_ERROR("mismatch in has_pch_encoder "
-                         "(expected %i, found %i)\n",
-                         current_config->has_pch_encoder,
-                         pipe_config->has_pch_encoder);
-               return false;
-       }
+#define PIPE_CONF_CHECK_X(name)        \
+       if (current_config->name != pipe_config->name) { \
+               DRM_ERROR("mismatch in " #name " " \
+                         "(expected 0x%08x, found 0x%08x)\n", \
+                         current_config->name, \
+                         pipe_config->name); \
+               return false; \
+       }
+
+#define PIPE_CONF_CHECK_I(name)        \
+       if (current_config->name != pipe_config->name) { \
+               DRM_ERROR("mismatch in " #name " " \
+                         "(expected %i, found %i)\n", \
+                         current_config->name, \
+                         pipe_config->name); \
+               return false; \
+       }
+
+#define PIPE_CONF_CHECK_FLAGS(name, mask)      \
+       if ((current_config->name ^ pipe_config->name) & (mask)) { \
+               DRM_ERROR("mismatch in " #name " " \
+                         "(expected %i, found %i)\n", \
+                         current_config->name & (mask), \
+                         pipe_config->name & (mask)); \
+               return false; \
+       }
+
+#define PIPE_CONF_QUIRK(quirk) \
+       ((current_config->quirks | pipe_config->quirks) & (quirk))
+
+       PIPE_CONF_CHECK_I(cpu_transcoder);
+
+       PIPE_CONF_CHECK_I(has_pch_encoder);
+       PIPE_CONF_CHECK_I(fdi_lanes);
+       PIPE_CONF_CHECK_I(fdi_m_n.gmch_m);
+       PIPE_CONF_CHECK_I(fdi_m_n.gmch_n);
+       PIPE_CONF_CHECK_I(fdi_m_n.link_m);
+       PIPE_CONF_CHECK_I(fdi_m_n.link_n);
+       PIPE_CONF_CHECK_I(fdi_m_n.tu);
+
+       PIPE_CONF_CHECK_I(adjusted_mode.crtc_hdisplay);
+       PIPE_CONF_CHECK_I(adjusted_mode.crtc_htotal);
+       PIPE_CONF_CHECK_I(adjusted_mode.crtc_hblank_start);
+       PIPE_CONF_CHECK_I(adjusted_mode.crtc_hblank_end);
+       PIPE_CONF_CHECK_I(adjusted_mode.crtc_hsync_start);
+       PIPE_CONF_CHECK_I(adjusted_mode.crtc_hsync_end);
+
+       PIPE_CONF_CHECK_I(adjusted_mode.crtc_vdisplay);
+       PIPE_CONF_CHECK_I(adjusted_mode.crtc_vtotal);
+       PIPE_CONF_CHECK_I(adjusted_mode.crtc_vblank_start);
+       PIPE_CONF_CHECK_I(adjusted_mode.crtc_vblank_end);
+       PIPE_CONF_CHECK_I(adjusted_mode.crtc_vsync_start);
+       PIPE_CONF_CHECK_I(adjusted_mode.crtc_vsync_end);
+
+       if (!HAS_PCH_SPLIT(dev))
+               PIPE_CONF_CHECK_I(pixel_multiplier);
+
+       PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags,
+                             DRM_MODE_FLAG_INTERLACE);
+
+       if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS)) {
+               PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags,
+                                     DRM_MODE_FLAG_PHSYNC);
+               PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags,
+                                     DRM_MODE_FLAG_NHSYNC);
+               PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags,
+                                     DRM_MODE_FLAG_PVSYNC);
+               PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags,
+                                     DRM_MODE_FLAG_NVSYNC);
+       }
+
+       PIPE_CONF_CHECK_I(requested_mode.hdisplay);
+       PIPE_CONF_CHECK_I(requested_mode.vdisplay);
+
+       PIPE_CONF_CHECK_I(gmch_pfit.control);
+       /* pfit ratios are autocomputed by the hw on gen4+ */
+       if (INTEL_INFO(dev)->gen < 4)
+               PIPE_CONF_CHECK_I(gmch_pfit.pgm_ratios);
+       PIPE_CONF_CHECK_I(gmch_pfit.lvds_border_bits);
+       PIPE_CONF_CHECK_I(pch_pfit.pos);
+       PIPE_CONF_CHECK_I(pch_pfit.size);
+
+       PIPE_CONF_CHECK_I(ips_enabled);
+
+       PIPE_CONF_CHECK_I(shared_dpll);
+       PIPE_CONF_CHECK_X(dpll_hw_state.dpll);
+       PIPE_CONF_CHECK_X(dpll_hw_state.fp0);
+       PIPE_CONF_CHECK_X(dpll_hw_state.fp1);
+
+#undef PIPE_CONF_CHECK_X
+#undef PIPE_CONF_CHECK_I
+#undef PIPE_CONF_CHECK_FLAGS
+#undef PIPE_CONF_QUIRK
 
        return true;
 }
 
-void
-intel_modeset_check_state(struct drm_device *dev)
+static void
+check_connector_state(struct drm_device *dev)
 {
-       drm_i915_private_t *dev_priv = dev->dev_private;
-       struct intel_crtc *crtc;
-       struct intel_encoder *encoder;
        struct intel_connector *connector;
-       struct intel_crtc_config pipe_config;
 
        list_for_each_entry(connector, &dev->mode_config.connector_list,
                            base.head) {
@@ -7856,6 +8163,13 @@ intel_modeset_check_state(struct drm_device *dev)
                WARN(&connector->new_encoder->base != connector->base.encoder,
                     "connector's staged encoder doesn't match current encoder\n");
        }
+}
+
+static void
+check_encoder_state(struct drm_device *dev)
+{
+       struct intel_encoder *encoder;
+       struct intel_connector *connector;
 
        list_for_each_entry(encoder, &dev->mode_config.encoder_list,
                            base.head) {
@@ -7907,12 +8221,23 @@ intel_modeset_check_state(struct drm_device *dev)
                     tracked_pipe, pipe);
 
        }
+}
+
+static void
+check_crtc_state(struct drm_device *dev)
+{
+       drm_i915_private_t *dev_priv = dev->dev_private;
+       struct intel_crtc *crtc;
+       struct intel_encoder *encoder;
+       struct intel_crtc_config pipe_config;
 
        list_for_each_entry(crtc, &dev->mode_config.crtc_list,
                            base.head) {
                bool enabled = false;
                bool active = false;
 
+               memset(&pipe_config, 0, sizeof(pipe_config));
+
                DRM_DEBUG_KMS("[CRTC:%d]\n",
                              crtc->base.base.id);
 
@@ -7927,6 +8252,7 @@ intel_modeset_check_state(struct drm_device *dev)
                        if (encoder->connectors_active)
                                active = true;
                }
+
                WARN(active != crtc->active,
                     "crtc's computed active state doesn't match tracked active state "
                     "(expected %i, found %i)\n", active, crtc->active);
@@ -7934,7 +8260,6 @@ intel_modeset_check_state(struct drm_device *dev)
                     "crtc's computed enabled state doesn't match tracked enabled state "
                     "(expected %i, found %i)\n", enabled, crtc->base.enabled);
 
-               memset(&pipe_config, 0, sizeof(pipe_config));
                active = dev_priv->display.get_pipe_config(crtc,
                                                           &pipe_config);
 
@@ -7942,16 +8267,88 @@ intel_modeset_check_state(struct drm_device *dev)
                if (crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE)
                        active = crtc->active;
 
+               list_for_each_entry(encoder, &dev->mode_config.encoder_list,
+                                   base.head) {
+                       if (encoder->base.crtc != &crtc->base)
+                               continue;
+                       if (encoder->get_config)
+                               encoder->get_config(encoder, &pipe_config);
+               }
+
                WARN(crtc->active != active,
                     "crtc active state doesn't match with hw state "
                     "(expected %i, found %i)\n", crtc->active, active);
 
-               WARN(active &&
-                    !intel_pipe_config_compare(&crtc->config, &pipe_config),
-                    "pipe state doesn't match!\n");
+               if (active &&
+                   !intel_pipe_config_compare(dev, &crtc->config, &pipe_config)) {
+                       WARN(1, "pipe state doesn't match!\n");
+                       intel_dump_pipe_config(crtc, &pipe_config,
+                                              "[hw state]");
+                       intel_dump_pipe_config(crtc, &crtc->config,
+                                              "[sw state]");
+               }
+       }
+}
+
+static void
+check_shared_dpll_state(struct drm_device *dev)
+{
+       drm_i915_private_t *dev_priv = dev->dev_private;
+       struct intel_crtc *crtc;
+       struct intel_dpll_hw_state dpll_hw_state;
+       int i;
+
+       for (i = 0; i < dev_priv->num_shared_dpll; i++) {
+               struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i];
+               int enabled_crtcs = 0, active_crtcs = 0;
+               bool active;
+
+               memset(&dpll_hw_state, 0, sizeof(dpll_hw_state));
+
+               DRM_DEBUG_KMS("%s\n", pll->name);
+
+               active = pll->get_hw_state(dev_priv, pll, &dpll_hw_state);
+
+               WARN(pll->active > pll->refcount,
+                    "more active pll users than references: %i vs %i\n",
+                    pll->active, pll->refcount);
+               WARN(pll->active && !pll->on,
+                    "pll in active use but not on in sw tracking\n");
+               WARN(pll->on && !pll->active,
+                    "pll in on but not on in use in sw tracking\n");
+               WARN(pll->on != active,
+                    "pll on state mismatch (expected %i, found %i)\n",
+                    pll->on, active);
+
+               list_for_each_entry(crtc, &dev->mode_config.crtc_list,
+                                   base.head) {
+                       if (crtc->base.enabled && intel_crtc_to_shared_dpll(crtc) == pll)
+                               enabled_crtcs++;
+                       if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll)
+                               active_crtcs++;
+               }
+               WARN(pll->active != active_crtcs,
+                    "pll active crtcs mismatch (expected %i, found %i)\n",
+                    pll->active, active_crtcs);
+               WARN(pll->refcount != enabled_crtcs,
+                    "pll enabled crtcs mismatch (expected %i, found %i)\n",
+                    pll->refcount, enabled_crtcs);
+
+               WARN(pll->on && memcmp(&pll->hw_state, &dpll_hw_state,
+                                      sizeof(dpll_hw_state)),
+                    "pll hw state mismatch\n");
        }
 }
 
+void
+intel_modeset_check_state(struct drm_device *dev)
+{
+       check_connector_state(dev);
+       check_encoder_state(dev);
+       check_crtc_state(dev);
+       check_shared_dpll_state(dev);
+}
+
 static int __intel_set_mode(struct drm_crtc *crtc,
                            struct drm_display_mode *mode,
                            int x, int y, struct drm_framebuffer *fb)
@@ -7988,11 +8385,10 @@ static int __intel_set_mode(struct drm_crtc *crtc,
 
                        goto out;
                }
+               intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config,
+                                      "[modeset]");
        }
 
-       DRM_DEBUG_KMS("set mode pipe masks: modeset: %x, prepare: %x, disable: %x\n",
-                     modeset_pipes, prepare_pipes, disable_pipes);
-
        for_each_intel_crtc_masked(dev, disable_pipes, intel_crtc)
                intel_crtc_disable(&intel_crtc->base);
 
@@ -8005,12 +8401,10 @@ static int __intel_set_mode(struct drm_crtc *crtc,
         * to set it here already despite that we pass it down the callchain.
         */
        if (modeset_pipes) {
-               enum transcoder tmp = to_intel_crtc(crtc)->config.cpu_transcoder;
                crtc->mode = *mode;
                /* mode_set/enable/disable functions rely on a correct pipe
                 * config. */
                to_intel_crtc(crtc)->config = *pipe_config;
-               to_intel_crtc(crtc)->config.cpu_transcoder = tmp;
        }
 
        /* Only after disabling all output pipelines that will be changed can we
@@ -8146,15 +8540,20 @@ static void intel_set_config_restore_state(struct drm_device *dev,
 }
 
 static bool
-is_crtc_connector_off(struct drm_crtc *crtc, struct drm_connector *connectors,
-                     int num_connectors)
+is_crtc_connector_off(struct drm_mode_set *set)
 {
        int i;
 
-       for (i = 0; i < num_connectors; i++)
-               if (connectors[i].encoder &&
-                   connectors[i].encoder->crtc == crtc &&
-                   connectors[i].dpms != DRM_MODE_DPMS_ON)
+       if (set->num_connectors == 0)
+               return false;
+
+       if (WARN_ON(set->connectors == NULL))
+               return false;
+
+       for (i = 0; i < set->num_connectors; i++)
+               if (set->connectors[i]->encoder &&
+                   set->connectors[i]->encoder->crtc == set->crtc &&
+                   set->connectors[i]->dpms != DRM_MODE_DPMS_ON)
                        return true;
 
        return false;
@@ -8167,10 +8566,8 @@ intel_set_config_compute_mode_changes(struct drm_mode_set *set,
 
        /* We should be able to check here if the fb has the same properties
         * and then just flip_or_move it */
-       if (set->connectors != NULL &&
-           is_crtc_connector_off(set->crtc, *set->connectors,
-                                 set->num_connectors)) {
-                       config->mode_changed = true;
+       if (is_crtc_connector_off(set)) {
+               config->mode_changed = true;
        } else if (set->crtc->fb != set->fb) {
                /* If we have no fb then treat it as a full mode set */
                if (set->crtc->fb == NULL) {
@@ -8349,12 +8746,6 @@ static int intel_crtc_set_config(struct drm_mode_set *set)
                goto fail;
 
        if (config->mode_changed) {
-               if (set->mode) {
-                       DRM_DEBUG_KMS("attempting to set mode from"
-                                       " userspace\n");
-                       drm_mode_debug_printmodeline(set->mode);
-               }
-
                ret = intel_set_mode(set->crtc, set->mode,
                                     set->x, set->y, set->fb);
        } else if (config->fb_changed) {
@@ -8365,8 +8756,8 @@ static int intel_crtc_set_config(struct drm_mode_set *set)
        }
 
        if (ret) {
-               DRM_ERROR("failed to set mode on [CRTC:%d], err = %d\n",
-                         set->crtc->base.id, ret);
+               DRM_DEBUG_KMS("failed to set mode on [CRTC:%d], err = %d\n",
+                             set->crtc->base.id, ret);
 fail:
                intel_set_config_restore_state(dev, config);
 
@@ -8397,23 +8788,93 @@ static void intel_cpu_pll_init(struct drm_device *dev)
                intel_ddi_pll_init(dev);
 }
 
-static void intel_pch_pll_init(struct drm_device *dev)
+static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv,
+                                     struct intel_shared_dpll *pll,
+                                     struct intel_dpll_hw_state *hw_state)
 {
-       drm_i915_private_t *dev_priv = dev->dev_private;
-       int i;
+       uint32_t val;
 
-       if (dev_priv->num_pch_pll == 0) {
-               DRM_DEBUG_KMS("No PCH PLLs on this hardware, skipping initialisation\n");
-               return;
+       val = I915_READ(PCH_DPLL(pll->id));
+       hw_state->dpll = val;
+       hw_state->fp0 = I915_READ(PCH_FP0(pll->id));
+       hw_state->fp1 = I915_READ(PCH_FP1(pll->id));
+
+       return val & DPLL_VCO_ENABLE;
+}
+
+static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv,
+                               struct intel_shared_dpll *pll)
+{
+       uint32_t reg, val;
+
+       /* PCH refclock must be enabled first */
+       assert_pch_refclk_enabled(dev_priv);
+
+       reg = PCH_DPLL(pll->id);
+       val = I915_READ(reg);
+       val |= DPLL_VCO_ENABLE;
+       I915_WRITE(reg, val);
+       POSTING_READ(reg);
+       udelay(200);
+}
+
+static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv,
+                                struct intel_shared_dpll *pll)
+{
+       struct drm_device *dev = dev_priv->dev;
+       struct intel_crtc *crtc;
+       uint32_t reg, val;
+
+       /* Make sure no transcoder isn't still depending on us. */
+       list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) {
+               if (intel_crtc_to_shared_dpll(crtc) == pll)
+                       assert_pch_transcoder_disabled(dev_priv, crtc->pipe);
        }
 
-       for (i = 0; i < dev_priv->num_pch_pll; i++) {
-               dev_priv->pch_plls[i].pll_reg = _PCH_DPLL(i);
-               dev_priv->pch_plls[i].fp0_reg = _PCH_FP0(i);
-               dev_priv->pch_plls[i].fp1_reg = _PCH_FP1(i);
+       reg = PCH_DPLL(pll->id);
+       val = I915_READ(reg);
+       val &= ~DPLL_VCO_ENABLE;
+       I915_WRITE(reg, val);
+       POSTING_READ(reg);
+       udelay(200);
+}
+
+static char *ibx_pch_dpll_names[] = {
+       "PCH DPLL A",
+       "PCH DPLL B",
+};
+
+static void ibx_pch_dpll_init(struct drm_device *dev)
+{
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       int i;
+
+       dev_priv->num_shared_dpll = 2;
+
+       for (i = 0; i < dev_priv->num_shared_dpll; i++) {
+               dev_priv->shared_dplls[i].id = i;
+               dev_priv->shared_dplls[i].name = ibx_pch_dpll_names[i];
+               dev_priv->shared_dplls[i].enable = ibx_pch_dpll_enable;
+               dev_priv->shared_dplls[i].disable = ibx_pch_dpll_disable;
+               dev_priv->shared_dplls[i].get_hw_state =
+                       ibx_pch_dpll_get_hw_state;
        }
 }
 
+static void intel_shared_dpll_init(struct drm_device *dev)
+{
+       struct drm_i915_private *dev_priv = dev->dev_private;
+
+       if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev))
+               ibx_pch_dpll_init(dev);
+       else
+               dev_priv->num_shared_dpll = 0;
+
+       BUG_ON(dev_priv->num_shared_dpll > I915_NUM_PLLS);
+       DRM_DEBUG_KMS("%i shared PLLs initialized\n",
+                     dev_priv->num_shared_dpll);
+}
+
 static void intel_crtc_init(struct drm_device *dev, int pipe)
 {
        drm_i915_private_t *dev_priv = dev->dev_private;
@@ -8436,7 +8897,6 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
        /* Swap pipes & planes for FBC on pre-965 */
        intel_crtc->pipe = pipe;
        intel_crtc->plane = pipe;
-       intel_crtc->config.cpu_transcoder = pipe;
        if (IS_MOBILE(dev) && IS_GEN3(dev)) {
                DRM_DEBUG_KMS("swapping pipes & planes for FBC\n");
                intel_crtc->plane = !pipe;
@@ -8519,13 +8979,8 @@ static void intel_setup_outputs(struct drm_device *dev)
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_encoder *encoder;
        bool dpd_is_edp = false;
-       bool has_lvds;
 
-       has_lvds = intel_lvds_init(dev);
-       if (!has_lvds && !HAS_PCH_SPLIT(dev)) {
-               /* disable the panel fitter on everything but LVDS */
-               I915_WRITE(PFIT_CONTROL, 0);
-       }
+       intel_lvds_init(dev);
 
        if (!IS_ULT(dev))
                intel_crt_init(dev);
@@ -8598,10 +9053,8 @@ static void intel_setup_outputs(struct drm_device *dev)
                                intel_hdmi_init(dev, GEN4_HDMIB, PORT_B);
                        }
 
-                       if (!found && SUPPORTS_INTEGRATED_DP(dev)) {
-                               DRM_DEBUG_KMS("probing DP_B\n");
+                       if (!found && SUPPORTS_INTEGRATED_DP(dev))
                                intel_dp_init(dev, DP_B, PORT_B);
-                       }
                }
 
                /* Before G4X SDVOC doesn't have its own detect register */
@@ -8617,17 +9070,13 @@ static void intel_setup_outputs(struct drm_device *dev)
                                DRM_DEBUG_KMS("probing HDMI on SDVOC\n");
                                intel_hdmi_init(dev, GEN4_HDMIC, PORT_C);
                        }
-                       if (SUPPORTS_INTEGRATED_DP(dev)) {
-                               DRM_DEBUG_KMS("probing DP_C\n");
+                       if (SUPPORTS_INTEGRATED_DP(dev))
                                intel_dp_init(dev, DP_C, PORT_C);
-                       }
                }
 
                if (SUPPORTS_INTEGRATED_DP(dev) &&
-                   (I915_READ(DP_D) & DP_DETECTED)) {
-                       DRM_DEBUG_KMS("probing DP_D\n");
+                   (I915_READ(DP_D) & DP_DETECTED))
                        intel_dp_init(dev, DP_D, PORT_D);
-               }
        } else if (IS_GEN2(dev))
                intel_dvo_init(dev);
 
@@ -8675,6 +9124,7 @@ int intel_framebuffer_init(struct drm_device *dev,
                           struct drm_mode_fb_cmd2 *mode_cmd,
                           struct drm_i915_gem_object *obj)
 {
+       int pitch_limit;
        int ret;
 
        if (obj->tiling_mode == I915_TILING_Y) {
@@ -8688,10 +9138,26 @@ int intel_framebuffer_init(struct drm_device *dev,
                return -EINVAL;
        }
 
-       /* FIXME <= Gen4 stride limits are bit unclear */
-       if (mode_cmd->pitches[0] > 32768) {
-               DRM_DEBUG("pitch (%d) must be at less than 32768\n",
-                         mode_cmd->pitches[0]);
+       if (INTEL_INFO(dev)->gen >= 5 && !IS_VALLEYVIEW(dev)) {
+               pitch_limit = 32*1024;
+       } else if (INTEL_INFO(dev)->gen >= 4) {
+               if (obj->tiling_mode)
+                       pitch_limit = 16*1024;
+               else
+                       pitch_limit = 32*1024;
+       } else if (INTEL_INFO(dev)->gen >= 3) {
+               if (obj->tiling_mode)
+                       pitch_limit = 8*1024;
+               else
+                       pitch_limit = 16*1024;
+       } else
+               /* XXX DSPC is limited to 4k tiled */
+               pitch_limit = 8*1024;
+
+       if (mode_cmd->pitches[0] > pitch_limit) {
+               DRM_DEBUG("%s pitch (%d) must be at less than %d\n",
+                         obj->tiling_mode ? "tiled" : "linear",
+                         mode_cmd->pitches[0], pitch_limit);
                return -EINVAL;
        }
 
@@ -8712,7 +9178,8 @@ int intel_framebuffer_init(struct drm_device *dev,
        case DRM_FORMAT_XRGB1555:
        case DRM_FORMAT_ARGB1555:
                if (INTEL_INFO(dev)->gen > 3) {
-                       DRM_DEBUG("invalid format: 0x%08x\n", mode_cmd->pixel_format);
+                       DRM_DEBUG("unsupported pixel format: %s\n",
+                                 drm_get_format_name(mode_cmd->pixel_format));
                        return -EINVAL;
                }
                break;
@@ -8723,7 +9190,8 @@ int intel_framebuffer_init(struct drm_device *dev,
        case DRM_FORMAT_XBGR2101010:
        case DRM_FORMAT_ABGR2101010:
                if (INTEL_INFO(dev)->gen < 4) {
-                       DRM_DEBUG("invalid format: 0x%08x\n", mode_cmd->pixel_format);
+                       DRM_DEBUG("unsupported pixel format: %s\n",
+                                 drm_get_format_name(mode_cmd->pixel_format));
                        return -EINVAL;
                }
                break;
@@ -8732,12 +9200,14 @@ int intel_framebuffer_init(struct drm_device *dev,
        case DRM_FORMAT_YVYU:
        case DRM_FORMAT_VYUY:
                if (INTEL_INFO(dev)->gen < 5) {
-                       DRM_DEBUG("invalid format: 0x%08x\n", mode_cmd->pixel_format);
+                       DRM_DEBUG("unsupported pixel format: %s\n",
+                                 drm_get_format_name(mode_cmd->pixel_format));
                        return -EINVAL;
                }
                break;
        default:
-               DRM_DEBUG("unsupported pixel format 0x%08x\n", mode_cmd->pixel_format);
+               DRM_DEBUG("unsupported pixel format: %s\n",
+                         drm_get_format_name(mode_cmd->pixel_format));
                return -EINVAL;
        }
 
@@ -8782,6 +9252,15 @@ static void intel_init_display(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
 
+       if (HAS_PCH_SPLIT(dev) || IS_G4X(dev))
+               dev_priv->display.find_dpll = g4x_find_best_dpll;
+       else if (IS_VALLEYVIEW(dev))
+               dev_priv->display.find_dpll = vlv_find_best_dpll;
+       else if (IS_PINEVIEW(dev))
+               dev_priv->display.find_dpll = pnv_find_best_dpll;
+       else
+               dev_priv->display.find_dpll = i9xx_find_best_dpll;
+
        if (HAS_DDI(dev)) {
                dev_priv->display.get_pipe_config = haswell_get_pipe_config;
                dev_priv->display.crtc_mode_set = haswell_crtc_mode_set;
@@ -8796,6 +9275,13 @@ static void intel_init_display(struct drm_device *dev)
                dev_priv->display.crtc_disable = ironlake_crtc_disable;
                dev_priv->display.off = ironlake_crtc_off;
                dev_priv->display.update_plane = ironlake_update_plane;
+       } else if (IS_VALLEYVIEW(dev)) {
+               dev_priv->display.get_pipe_config = i9xx_get_pipe_config;
+               dev_priv->display.crtc_mode_set = i9xx_crtc_mode_set;
+               dev_priv->display.crtc_enable = valleyview_crtc_enable;
+               dev_priv->display.crtc_disable = i9xx_crtc_disable;
+               dev_priv->display.off = i9xx_crtc_off;
+               dev_priv->display.update_plane = i9xx_update_plane;
        } else {
                dev_priv->display.get_pipe_config = i9xx_get_pipe_config;
                dev_priv->display.crtc_mode_set = i9xx_crtc_mode_set;
@@ -8914,6 +9400,17 @@ static void quirk_invert_brightness(struct drm_device *dev)
        DRM_INFO("applying inverted panel brightness quirk\n");
 }
 
+/*
+ * Some machines (Dell XPS13) suffer broken backlight controls if
+ * BLM_PCH_PWM_ENABLE is set.
+ */
+static void quirk_no_pcm_pwm_enable(struct drm_device *dev)
+{
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       dev_priv->quirks |= QUIRK_NO_PCH_PWM_ENABLE;
+       DRM_INFO("applying no-PCH_PWM_ENABLE quirk\n");
+}
+
 struct intel_quirk {
        int device;
        int subsystem_vendor;
@@ -8983,6 +9480,11 @@ static struct intel_quirk intel_quirks[] = {
 
        /* Acer Aspire 4736Z */
        { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness },
+
+       /* Dell XPS13 HD Sandy Bridge */
+       { 0x0116, 0x1028, 0x052e, quirk_no_pcm_pwm_enable },
+       /* Dell XPS13 HD and XPS13 FHD Ivy Bridge */
+       { 0x0166, 0x1028, 0x058b, quirk_no_pcm_pwm_enable },
 };
 
 static void intel_init_quirks(struct drm_device *dev)
@@ -9037,6 +9539,11 @@ void intel_modeset_init_hw(struct drm_device *dev)
        mutex_unlock(&dev->struct_mutex);
 }
 
+void intel_modeset_suspend_hw(struct drm_device *dev)
+{
+       intel_suspend_hw(dev);
+}
+
 void intel_modeset_init(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -9082,13 +9589,13 @@ void intel_modeset_init(struct drm_device *dev)
                for (j = 0; j < dev_priv->num_plane; j++) {
                        ret = intel_plane_init(dev, i, j);
                        if (ret)
-                               DRM_DEBUG_KMS("pipe %d plane %d init failed: %d\n",
-                                             i, j, ret);
+                               DRM_DEBUG_KMS("pipe %c sprite %c init failed: %d\n",
+                                             pipe_name(i), sprite_name(i, j), ret);
                }
        }
 
        intel_cpu_pll_init(dev);
-       intel_pch_pll_init(dev);
+       intel_shared_dpll_init(dev);
 
        /* Just disable it once at startup */
        i915_disable_vga(dev);
@@ -9289,57 +9796,18 @@ void i915_redisable_vga(struct drm_device *dev)
        }
 }
 
-/* Scan out the current hw modeset state, sanitizes it and maps it into the drm
- * and i915 state tracking structures. */
-void intel_modeset_setup_hw_state(struct drm_device *dev,
-                                 bool force_restore)
+static void intel_modeset_readout_hw_state(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
        enum pipe pipe;
-       u32 tmp;
-       struct drm_plane *plane;
        struct intel_crtc *crtc;
        struct intel_encoder *encoder;
        struct intel_connector *connector;
+       int i;
 
-       if (HAS_DDI(dev)) {
-               tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP));
-
-               if (tmp & TRANS_DDI_FUNC_ENABLE) {
-                       switch (tmp & TRANS_DDI_EDP_INPUT_MASK) {
-                       case TRANS_DDI_EDP_INPUT_A_ON:
-                       case TRANS_DDI_EDP_INPUT_A_ONOFF:
-                               pipe = PIPE_A;
-                               break;
-                       case TRANS_DDI_EDP_INPUT_B_ONOFF:
-                               pipe = PIPE_B;
-                               break;
-                       case TRANS_DDI_EDP_INPUT_C_ONOFF:
-                               pipe = PIPE_C;
-                               break;
-                       default:
-                               /* A bogus value has been programmed, disable
-                                * the transcoder */
-                               WARN(1, "Bogus eDP source %08x\n", tmp);
-                               intel_ddi_disable_transcoder_func(dev_priv,
-                                               TRANSCODER_EDP);
-                               goto setup_pipes;
-                       }
-
-                       crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
-                       crtc->config.cpu_transcoder = TRANSCODER_EDP;
-
-                       DRM_DEBUG_KMS("Pipe %c using transcoder EDP\n",
-                                     pipe_name(pipe));
-               }
-       }
-
-setup_pipes:
        list_for_each_entry(crtc, &dev->mode_config.crtc_list,
                            base.head) {
-               enum transcoder tmp = crtc->config.cpu_transcoder;
                memset(&crtc->config, 0, sizeof(crtc->config));
-               crtc->config.cpu_transcoder = tmp;
 
                crtc->active = dev_priv->display.get_pipe_config(crtc,
                                                                 &crtc->config);
@@ -9351,16 +9819,35 @@ setup_pipes:
                              crtc->active ? "enabled" : "disabled");
        }
 
+       /* FIXME: Smash this into the new shared dpll infrastructure. */
        if (HAS_DDI(dev))
                intel_ddi_setup_hw_pll_state(dev);
 
+       for (i = 0; i < dev_priv->num_shared_dpll; i++) {
+               struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i];
+
+               pll->on = pll->get_hw_state(dev_priv, pll, &pll->hw_state);
+               pll->active = 0;
+               list_for_each_entry(crtc, &dev->mode_config.crtc_list,
+                                   base.head) {
+                       if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll)
+                               pll->active++;
+               }
+               pll->refcount = pll->active;
+
+               DRM_DEBUG_KMS("%s hw state readout: refcount %i, on %i\n",
+                             pll->name, pll->refcount, pll->on);
+       }
+
        list_for_each_entry(encoder, &dev->mode_config.encoder_list,
                            base.head) {
                pipe = 0;
 
                if (encoder->get_hw_state(encoder, &pipe)) {
-                       encoder->base.crtc =
-                               dev_priv->pipe_to_crtc_mapping[pipe];
+                       crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
+                       encoder->base.crtc = &crtc->base;
+                       if (encoder->get_config)
+                               encoder->get_config(encoder, &crtc->config);
                } else {
                        encoder->base.crtc = NULL;
                }
@@ -9388,6 +9875,21 @@ setup_pipes:
                              drm_get_connector_name(&connector->base),
                              connector->base.encoder ? "enabled" : "disabled");
        }
+}
+
+/* Scan out the current hw modeset state, sanitizes it and maps it into the drm
+ * and i915 state tracking structures. */
+void intel_modeset_setup_hw_state(struct drm_device *dev,
+                                 bool force_restore)
+{
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       enum pipe pipe;
+       struct drm_plane *plane;
+       struct intel_crtc *crtc;
+       struct intel_encoder *encoder;
+       int i;
+
+       intel_modeset_readout_hw_state(dev);
 
        /* HW state is read out, now we need to sanitize this mess. */
        list_for_each_entry(encoder, &dev->mode_config.encoder_list,
@@ -9398,6 +9900,19 @@ setup_pipes:
        for_each_pipe(pipe) {
                crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
                intel_sanitize_crtc(crtc);
+               intel_dump_pipe_config(crtc, &crtc->config, "[setup_hw_state]");
+       }
+
+       for (i = 0; i < dev_priv->num_shared_dpll; i++) {
+               struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i];
+
+               if (!pll->on || pll->active)
+                       continue;
+
+               DRM_DEBUG_KMS("%s enabled but not in use, disabling\n", pll->name);
+
+               pll->disable(dev_priv, pll);
+               pll->on = false;
        }
 
        if (force_restore) {
@@ -9440,12 +9955,23 @@ void intel_modeset_cleanup(struct drm_device *dev)
        struct drm_crtc *crtc;
        struct intel_crtc *intel_crtc;
 
+       /*
+        * Interrupts and polling as the first thing to avoid creating havoc.
+        * Too much stuff here (turning of rps, connectors, ...) would
+        * experience fancy races otherwise.
+        */
+       drm_irq_uninstall(dev);
+       cancel_work_sync(&dev_priv->hotplug_work);
+       /*
+        * Due to the hpd irq storm handling the hotplug work can re-arm the
+        * poll handlers. Hence disable polling after hpd handling is shut down.
+        */
        drm_kms_helper_poll_fini(dev);
+
        mutex_lock(&dev->struct_mutex);
 
        intel_unregister_dsm_handler();
 
-
        list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
                /* Skip inactive CRTCs */
                if (!crtc->fb)
@@ -9461,17 +9987,8 @@ void intel_modeset_cleanup(struct drm_device *dev)
 
        ironlake_teardown_rc6(dev);
 
-       if (IS_VALLEYVIEW(dev))
-               vlv_init_dpio(dev);
-
        mutex_unlock(&dev->struct_mutex);
 
-       /* Disable the irq before mode object teardown, for the irq might
-        * enqueue unpin/hotplug work. */
-       drm_irq_uninstall(dev);
-       cancel_work_sync(&dev_priv->hotplug_work);
-       cancel_work_sync(&dev_priv->rps.work);
-
        /* flush any delayed tasks or pending work */
        flush_scheduled_work();
 
@@ -9520,6 +10037,9 @@ int intel_modeset_vga_set_state(struct drm_device *dev, bool state)
 #include <linux/seq_file.h>
 
 struct intel_display_error_state {
+
+       u32 power_well_driver;
+
        struct intel_cursor_error_state {
                u32 control;
                u32 position;
@@ -9528,6 +10048,7 @@ struct intel_display_error_state {
        } cursor[I915_MAX_PIPES];
 
        struct intel_pipe_error_state {
+               enum transcoder cpu_transcoder;
                u32 conf;
                u32 source;
 
@@ -9562,8 +10083,12 @@ intel_display_capture_error_state(struct drm_device *dev)
        if (error == NULL)
                return NULL;
 
+       if (HAS_POWER_WELL(dev))
+               error->power_well_driver = I915_READ(HSW_PWR_WELL_DRIVER);
+
        for_each_pipe(i) {
                cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, i);
+               error->pipe[i].cpu_transcoder = cpu_transcoder;
 
                if (INTEL_INFO(dev)->gen <= 6 || IS_VALLEYVIEW(dev)) {
                        error->cursor[i].control = I915_READ(CURCNTR(i));
@@ -9598,46 +10123,60 @@ intel_display_capture_error_state(struct drm_device *dev)
                error->pipe[i].vsync = I915_READ(VSYNC(cpu_transcoder));
        }
 
+       /* In the code above we read the registers without checking if the power
+        * well was on, so here we have to clear the FPGA_DBG_RM_NOCLAIM bit to
+        * prevent the next I915_WRITE from detecting it and printing an error
+        * message. */
+       if (HAS_POWER_WELL(dev))
+               I915_WRITE_NOTRACE(FPGA_DBG, FPGA_DBG_RM_NOCLAIM);
+
        return error;
 }
 
+#define err_printf(e, ...) i915_error_printf(e, __VA_ARGS__)
+
 void
-intel_display_print_error_state(struct seq_file *m,
+intel_display_print_error_state(struct drm_i915_error_state_buf *m,
                                struct drm_device *dev,
                                struct intel_display_error_state *error)
 {
        int i;
 
-       seq_printf(m, "Num Pipes: %d\n", INTEL_INFO(dev)->num_pipes);
+       err_printf(m, "Num Pipes: %d\n", INTEL_INFO(dev)->num_pipes);
+       if (HAS_POWER_WELL(dev))
+               err_printf(m, "PWR_WELL_CTL2: %08x\n",
+                          error->power_well_driver);
        for_each_pipe(i) {
-               seq_printf(m, "Pipe [%d]:\n", i);
-               seq_printf(m, "  CONF: %08x\n", error->pipe[i].conf);
-               seq_printf(m, "  SRC: %08x\n", error->pipe[i].source);
-               seq_printf(m, "  HTOTAL: %08x\n", error->pipe[i].htotal);
-               seq_printf(m, "  HBLANK: %08x\n", error->pipe[i].hblank);
-               seq_printf(m, "  HSYNC: %08x\n", error->pipe[i].hsync);
-               seq_printf(m, "  VTOTAL: %08x\n", error->pipe[i].vtotal);
-               seq_printf(m, "  VBLANK: %08x\n", error->pipe[i].vblank);
-               seq_printf(m, "  VSYNC: %08x\n", error->pipe[i].vsync);
-
-               seq_printf(m, "Plane [%d]:\n", i);
-               seq_printf(m, "  CNTR: %08x\n", error->plane[i].control);
-               seq_printf(m, "  STRIDE: %08x\n", error->plane[i].stride);
+               err_printf(m, "Pipe [%d]:\n", i);
+               err_printf(m, "  CPU transcoder: %c\n",
+                          transcoder_name(error->pipe[i].cpu_transcoder));
+               err_printf(m, "  CONF: %08x\n", error->pipe[i].conf);
+               err_printf(m, "  SRC: %08x\n", error->pipe[i].source);
+               err_printf(m, "  HTOTAL: %08x\n", error->pipe[i].htotal);
+               err_printf(m, "  HBLANK: %08x\n", error->pipe[i].hblank);
+               err_printf(m, "  HSYNC: %08x\n", error->pipe[i].hsync);
+               err_printf(m, "  VTOTAL: %08x\n", error->pipe[i].vtotal);
+               err_printf(m, "  VBLANK: %08x\n", error->pipe[i].vblank);
+               err_printf(m, "  VSYNC: %08x\n", error->pipe[i].vsync);
+
+               err_printf(m, "Plane [%d]:\n", i);
+               err_printf(m, "  CNTR: %08x\n", error->plane[i].control);
+               err_printf(m, "  STRIDE: %08x\n", error->plane[i].stride);
                if (INTEL_INFO(dev)->gen <= 3) {
-                       seq_printf(m, "  SIZE: %08x\n", error->plane[i].size);
-                       seq_printf(m, "  POS: %08x\n", error->plane[i].pos);
+                       err_printf(m, "  SIZE: %08x\n", error->plane[i].size);
+                       err_printf(m, "  POS: %08x\n", error->plane[i].pos);
                }
                if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev))
-                       seq_printf(m, "  ADDR: %08x\n", error->plane[i].addr);
+                       err_printf(m, "  ADDR: %08x\n", error->plane[i].addr);
                if (INTEL_INFO(dev)->gen >= 4) {
-                       seq_printf(m, "  SURF: %08x\n", error->plane[i].surface);
-                       seq_printf(m, "  TILEOFF: %08x\n", error->plane[i].tile_offset);
+                       err_printf(m, "  SURF: %08x\n", error->plane[i].surface);
+                       err_printf(m, "  TILEOFF: %08x\n", error->plane[i].tile_offset);
                }
 
-               seq_printf(m, "Cursor [%d]:\n", i);
-               seq_printf(m, "  CNTR: %08x\n", error->cursor[i].control);
-               seq_printf(m, "  POS: %08x\n", error->cursor[i].position);
-               seq_printf(m, "  BASE: %08x\n", error->cursor[i].base);
+               err_printf(m, "Cursor [%d]:\n", i);
+               err_printf(m, "  CNTR: %08x\n", error->cursor[i].control);
+               err_printf(m, "  POS: %08x\n", error->cursor[i].position);
+               err_printf(m, "  BASE: %08x\n", error->cursor[i].base);
        }
 }
 #endif