static const intel_limit_t intel_limits_vlv_hdmi = {
.dot = { .min = 20000, .max = 165000 },
- .vco = { .min = 5994000, .max = 4000000 },
+ .vco = { .min = 4000000, .max = 5994000},
.n = { .min = 1, .max = 7 },
.m = { .min = 60, .max = 300 }, /* guess */
.m1 = { .min = 2, .max = 3 },
};
static const intel_limit_t intel_limits_vlv_dp = {
- .dot = { .min = 162000, .max = 270000 },
- .vco = { .min = 5994000, .max = 4000000 },
+ .dot = { .min = 25000, .max = 270000 },
+ .vco = { .min = 4000000, .max = 6000000 },
.n = { .min = 1, .max = 7 },
- .m = { .min = 60, .max = 300 }, /* guess */
+ .m = { .min = 22, .max = 450 },
.m1 = { .min = 2, .max = 3 },
.m2 = { .min = 11, .max = 156 },
.p = { .min = 10, .max = 30 },
if (encoder->pre_enable)
encoder->pre_enable(encoder);
+ if (IS_HASWELL(dev))
+ intel_ddi_enable_pipe_clock(intel_crtc);
+
/* Enable panel fitting for LVDS */
if (dev_priv->pch_pf_size &&
(intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) || HAS_eDP)) {
*/
intel_crtc_load_lut(crtc);
+ if (IS_HASWELL(dev)) {
+ intel_ddi_set_pipe_settings(crtc);
+ intel_ddi_enable_pipe_func(crtc);
+ }
+
intel_enable_pipe(dev_priv, pipe, is_pch_port);
intel_enable_plane(dev_priv, plane, pipe);
intel_disable_pipe(dev_priv, pipe);
+ if (IS_HASWELL(dev))
+ intel_ddi_disable_pipe_func(dev_priv, pipe);
+
/* Disable PF */
I915_WRITE(PF_CTL(pipe), 0);
I915_WRITE(PF_WIN_SZ(pipe), 0);
+ if (IS_HASWELL(dev))
+ intel_ddi_disable_pipe_clock(intel_crtc);
+
for_each_encoder_on_crtc(dev, crtc, encoder)
if (encoder->post_disable)
encoder->post_disable(encoder);
intel_put_pch_pll(intel_crtc);
}
+static void haswell_crtc_off(struct drm_crtc *crtc)
+{
+ intel_ddi_put_crtc_pll(crtc);
+}
+
static void intel_crtc_dpms_overlay(struct intel_crtc *intel_crtc, bool enable)
{
if (!enable && intel_crtc->overlay) {
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode,
intel_clock_t *clock, intel_clock_t *reduced_clock,
- int refclk, int num_connectors)
+ int num_connectors)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
int pipe = intel_crtc->pipe;
u32 dpll, mdiv, pdiv;
u32 bestn, bestm1, bestm2, bestp1, bestp2;
- bool is_hdmi;
+ bool is_sdvo;
+ u32 temp;
- is_hdmi = intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI);
+ is_sdvo = intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO) ||
+ intel_pipe_has_type(crtc, 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));
bestn = clock->n;
bestm1 = clock->m1;
bestp1 = clock->p1;
bestp2 = clock->p2;
- /* Enable DPIO clock input */
- dpll = DPLL_EXT_BUFFER_ENABLE_VLV | DPLL_REFA_CLK_ENABLE_VLV |
- DPLL_VGA_MODE_DIS | DPLL_INTEGRATED_CLOCK_VLV;
- I915_WRITE(DPLL(pipe), dpll);
- POSTING_READ(DPLL(pipe));
-
+ /*
+ * In Valleyview PLL and program lane counter registers are exposed
+ * through DPIO interface
+ */
mdiv = ((bestm1 << DPIO_M1DIV_SHIFT) | (bestm2 & DPIO_M2DIV_MASK));
mdiv |= ((bestp1 << DPIO_P1_SHIFT) | (bestp2 << DPIO_P2_SHIFT));
mdiv |= ((bestn << DPIO_N_SHIFT));
intel_dpio_write(dev_priv, DPIO_CORE_CLK(pipe), 0x01000000);
- pdiv = DPIO_REFSEL_OVERRIDE | (5 << DPIO_PLL_MODESEL_SHIFT) |
+ pdiv = (1 << DPIO_REFSEL_OVERRIDE) | (5 << DPIO_PLL_MODESEL_SHIFT) |
(3 << DPIO_BIAS_CURRENT_CTL_SHIFT) | (1<<20) |
- (8 << DPIO_DRIVER_CTL_SHIFT) | (5 << DPIO_CLK_BIAS_CTL_SHIFT);
+ (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);
- intel_dpio_write(dev_priv, DPIO_LFP_COEFF(pipe), 0x009f0051);
+ intel_dpio_write(dev_priv, DPIO_LFP_COEFF(pipe), 0x005f003b);
dpll |= DPLL_VCO_ENABLE;
I915_WRITE(DPLL(pipe), dpll);
if (wait_for(((I915_READ(DPLL(pipe)) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1))
DRM_ERROR("DPLL %d failed to lock\n", pipe);
- if (is_hdmi) {
- u32 temp = intel_mode_get_pixel_multiplier(adjusted_mode);
+ intel_dpio_write(dev_priv, DPIO_FASTCLK_DISABLE, 0x620);
+
+ if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT))
+ intel_dp_set_m_n(crtc, mode, adjusted_mode);
+ I915_WRITE(DPLL(pipe), dpll);
+
+ /* Wait for the clocks to stabilize. */
+ POSTING_READ(DPLL(pipe));
+ udelay(150);
+
+ temp = 0;
+ if (is_sdvo) {
+ temp = intel_mode_get_pixel_multiplier(adjusted_mode);
if (temp > 1)
temp = (temp - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT;
else
temp = 0;
-
- I915_WRITE(DPLL_MD(pipe), temp);
- POSTING_READ(DPLL_MD(pipe));
}
+ I915_WRITE(DPLL_MD(pipe), temp);
+ POSTING_READ(DPLL_MD(pipe));
- intel_dpio_write(dev_priv, DPIO_FASTCLK_DISABLE, 0x641); /* ??? */
+ /* Now program lane control registers */
+ if(intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)
+ || intel_pipe_has_type(crtc, 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,INTEL_OUTPUT_EDP))
+ {
+ temp = 0x1000C4;
+ if(pipe == 1)
+ temp |= (1 << 21);
+ intel_dpio_write(dev_priv, DPIO_DATA_CHANNEL2, temp);
+ }
}
static void i9xx_update_pll(struct drm_crtc *crtc,
u32 dpll;
bool is_sdvo;
+ i9xx_update_pll_dividers(crtc, clock, reduced_clock);
+
is_sdvo = intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO) ||
intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI);
static void i8xx_update_pll(struct drm_crtc *crtc,
struct drm_display_mode *adjusted_mode,
- intel_clock_t *clock,
+ intel_clock_t *clock, intel_clock_t *reduced_clock,
int num_connectors)
{
struct drm_device *dev = crtc->dev;
int pipe = intel_crtc->pipe;
u32 dpll;
+ i9xx_update_pll_dividers(crtc, clock, reduced_clock);
+
dpll = DPLL_VGA_MODE_DIS;
if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
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)
+{
+ struct drm_device *dev = intel_crtc->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ enum pipe pipe = intel_crtc->pipe;
+ uint32_t vsyncshift;
+
+ 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;
+ vsyncshift = adjusted_mode->crtc_hsync_start
+ - adjusted_mode->crtc_htotal / 2;
+ } else {
+ vsyncshift = 0;
+ }
+
+ if (INTEL_INFO(dev)->gen > 3)
+ I915_WRITE(VSYNCSHIFT(pipe), vsyncshift);
+
+ I915_WRITE(HTOTAL(pipe),
+ (adjusted_mode->crtc_hdisplay - 1) |
+ ((adjusted_mode->crtc_htotal - 1) << 16));
+ I915_WRITE(HBLANK(pipe),
+ (adjusted_mode->crtc_hblank_start - 1) |
+ ((adjusted_mode->crtc_hblank_end - 1) << 16));
+ I915_WRITE(HSYNC(pipe),
+ (adjusted_mode->crtc_hsync_start - 1) |
+ ((adjusted_mode->crtc_hsync_end - 1) << 16));
+
+ I915_WRITE(VTOTAL(pipe),
+ (adjusted_mode->crtc_vdisplay - 1) |
+ ((adjusted_mode->crtc_vtotal - 1) << 16));
+ I915_WRITE(VBLANK(pipe),
+ (adjusted_mode->crtc_vblank_start - 1) |
+ ((adjusted_mode->crtc_vblank_end - 1) << 16));
+ I915_WRITE(VSYNC(pipe),
+ (adjusted_mode->crtc_vsync_start - 1) |
+ ((adjusted_mode->crtc_vsync_end - 1) << 16));
+
+ /* pipesrc controls the size that is scaled from, which should
+ * always be the user's requested size.
+ */
+ I915_WRITE(PIPESRC(pipe),
+ ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
+}
+
static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode,
int plane = intel_crtc->plane;
int refclk, num_connectors = 0;
intel_clock_t clock, reduced_clock;
- u32 dspcntr, pipeconf, vsyncshift;
+ u32 dspcntr, pipeconf;
bool ok, has_reduced_clock = false, is_sdvo = false;
bool is_lvds = false, is_tv = false, is_dp = false;
struct intel_encoder *encoder;
if (is_sdvo && is_tv)
i9xx_adjust_sdvo_tv_clock(adjusted_mode, &clock);
- i9xx_update_pll_dividers(crtc, &clock, has_reduced_clock ?
- &reduced_clock : NULL);
-
if (IS_GEN2(dev))
- i8xx_update_pll(crtc, adjusted_mode, &clock, num_connectors);
+ i8xx_update_pll(crtc, adjusted_mode, &clock,
+ has_reduced_clock ? &reduced_clock : NULL,
+ num_connectors);
else if (IS_VALLEYVIEW(dev))
- vlv_update_pll(crtc, mode,adjusted_mode, &clock, NULL,
- refclk, num_connectors);
+ vlv_update_pll(crtc, mode, adjusted_mode, &clock,
+ has_reduced_clock ? &reduced_clock : NULL,
+ num_connectors);
else
i9xx_update_pll(crtc, mode, adjusted_mode, &clock,
has_reduced_clock ? &reduced_clock : NULL,
}
}
+ if (IS_VALLEYVIEW(dev) && intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) {
+ if (adjusted_mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
+ pipeconf |= PIPECONF_BPP_6 |
+ PIPECONF_ENABLE |
+ I965_PIPECONF_ACTIVE;
+ }
+ }
+
DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
drm_mode_debug_printmodeline(mode);
pipeconf &= ~PIPECONF_INTERLACE_MASK;
if (!IS_GEN2(dev) &&
- adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
+ adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION;
- /* the chip adds 2 halflines automatically */
- adjusted_mode->crtc_vtotal -= 1;
- adjusted_mode->crtc_vblank_end -= 1;
- vsyncshift = adjusted_mode->crtc_hsync_start
- - adjusted_mode->crtc_htotal/2;
- } else {
+ else
pipeconf |= PIPECONF_PROGRESSIVE;
- vsyncshift = 0;
- }
-
- if (!IS_GEN3(dev))
- I915_WRITE(VSYNCSHIFT(pipe), vsyncshift);
-
- I915_WRITE(HTOTAL(pipe),
- (adjusted_mode->crtc_hdisplay - 1) |
- ((adjusted_mode->crtc_htotal - 1) << 16));
- I915_WRITE(HBLANK(pipe),
- (adjusted_mode->crtc_hblank_start - 1) |
- ((adjusted_mode->crtc_hblank_end - 1) << 16));
- I915_WRITE(HSYNC(pipe),
- (adjusted_mode->crtc_hsync_start - 1) |
- ((adjusted_mode->crtc_hsync_end - 1) << 16));
- I915_WRITE(VTOTAL(pipe),
- (adjusted_mode->crtc_vdisplay - 1) |
- ((adjusted_mode->crtc_vtotal - 1) << 16));
- I915_WRITE(VBLANK(pipe),
- (adjusted_mode->crtc_vblank_start - 1) |
- ((adjusted_mode->crtc_vblank_end - 1) << 16));
- I915_WRITE(VSYNC(pipe),
- (adjusted_mode->crtc_vsync_start - 1) |
- ((adjusted_mode->crtc_vsync_end - 1) << 16));
+ intel_set_pipe_timings(intel_crtc, mode, adjusted_mode);
/* pipesrc and dspsize control the size that is scaled from,
* which should always be the user's requested size.
((mode->vdisplay - 1) << 16) |
(mode->hdisplay - 1));
I915_WRITE(DSPPOS(plane), 0);
- I915_WRITE(PIPESRC(pipe),
- ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
I915_WRITE(PIPECONF(pipe), pipeconf);
POSTING_READ(PIPECONF(pipe));
val |= PIPE_12BPC;
break;
default:
- val |= PIPE_8BPC;
- break;
+ /* Case prevented by intel_choose_pipe_bpp_dither. */
+ BUG();
}
val &= ~(PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_MASK);
POSTING_READ(PIPECONF(pipe));
}
+static void haswell_set_pipeconf(struct drm_crtc *crtc,
+ struct drm_display_mode *adjusted_mode,
+ bool dither)
+{
+ 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 &= ~(PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_MASK);
+ if (dither)
+ val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP);
+
+ val &= ~PIPECONF_INTERLACE_MASK_HSW;
+ if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
+ val |= PIPECONF_INTERLACED_ILK;
+ else
+ val |= PIPECONF_PROGRESSIVE;
+
+ I915_WRITE(PIPECONF(pipe), val);
+ POSTING_READ(PIPECONF(pipe));
+}
+
static bool ironlake_compute_clocks(struct drm_crtc *crtc,
struct drm_display_mode *adjusted_mode,
intel_clock_t *clock,
return true;
}
-static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode,
- int x, int y,
- struct drm_framebuffer *fb)
+static void ironlake_set_m_n(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
{
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 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;
- bool ok, has_reduced_clock = false, is_sdvo = false;
- bool is_crt = false, is_lvds = false, is_tv = false, is_dp = false;
- struct intel_encoder *encoder, *edp_encoder = NULL;
- int ret;
+ enum pipe pipe = intel_crtc->pipe;
+ struct intel_encoder *intel_encoder, *edp_encoder = NULL;
struct fdi_m_n m_n = {0};
- u32 temp;
- int target_clock, pixel_multiplier, lane, link_bw, factor;
- unsigned int pipe_bpp;
- bool dither;
- bool is_cpu_edp = false, is_pch_edp = false;
+ int target_clock, pixel_multiplier, lane, link_bw;
+ bool is_dp = false, is_cpu_edp = false;
- for_each_encoder_on_crtc(dev, crtc, encoder) {
- switch (encoder->type) {
- 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;
- case INTEL_OUTPUT_ANALOG:
- is_crt = true;
- break;
+ for_each_encoder_on_crtc(dev, crtc, intel_encoder) {
+ switch (intel_encoder->type) {
case INTEL_OUTPUT_DISPLAYPORT:
is_dp = true;
break;
case INTEL_OUTPUT_EDP:
is_dp = true;
- if (intel_encoder_is_pch_edp(&encoder->base))
- is_pch_edp = true;
- else
+ if (!intel_encoder_is_pch_edp(&intel_encoder->base))
is_cpu_edp = true;
- edp_encoder = encoder;
+ edp_encoder = intel_encoder;
break;
}
-
- num_connectors++;
- }
-
- ok = ironlake_compute_clocks(crtc, adjusted_mode, &clock,
- &has_reduced_clock, &reduced_clock);
- if (!ok) {
- DRM_ERROR("Couldn't find PLL settings for mode!\n");
- return -EINVAL;
}
- /* Ensure that the cursor is valid for the new mode before changing... */
- intel_crtc_update_cursor(crtc, true);
-
/* FDI link */
pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
lane = 0;
else
target_clock = adjusted_mode->clock;
- /* determine panel color depth */
- dither = intel_choose_pipe_bpp_dither(crtc, fb, &pipe_bpp,
- adjusted_mode);
- if (is_lvds && dev_priv->lvds_dither)
- dither = true;
-
- if (pipe_bpp != 18 && pipe_bpp != 24 && pipe_bpp != 30 &&
- pipe_bpp != 36) {
- WARN(1, "intel_choose_pipe_bpp returned invalid value %d\n",
- pipe_bpp);
- pipe_bpp = 24;
- }
- intel_crtc->bpp = pipe_bpp;
-
if (!lane) {
/*
* Account for spread spectrum to avoid
ironlake_compute_m_n(intel_crtc->bpp, lane, target_clock, link_bw,
&m_n);
- 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;
+ I915_WRITE(PIPE_DATA_M1(pipe), TU_SIZE(m_n.tu) | m_n.gmch_m);
+ I915_WRITE(PIPE_DATA_N1(pipe), m_n.gmch_n);
+ I915_WRITE(PIPE_LINK_M1(pipe), m_n.link_m);
+ I915_WRITE(PIPE_LINK_N1(pipe), m_n.link_n);
+}
+
+static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc,
+ struct drm_display_mode *adjusted_mode,
+ intel_clock_t *clock, u32 fp)
+{
+ struct drm_crtc *crtc = &intel_crtc->base;
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_encoder *intel_encoder;
+ uint32_t dpll;
+ int factor, pixel_multiplier, num_connectors = 0;
+ bool is_lvds = false, is_sdvo = false, is_tv = false;
+ bool is_dp = false, is_cpu_edp = 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;
+ case INTEL_OUTPUT_DISPLAYPORT:
+ is_dp = true;
+ break;
+ case INTEL_OUTPUT_EDP:
+ is_dp = true;
+ if (!intel_encoder_is_pch_edp(&intel_encoder->base))
+ is_cpu_edp = true;
+ break;
+ }
+
+ num_connectors++;
+ }
/* Enable autotuning of the PLL clock (if permissible) */
factor = 21;
} else if (is_sdvo && is_tv)
factor = 20;
- if (clock.m < factor * clock.n)
+ if (clock->m < factor * clock->n)
fp |= FP_CB_TUNE;
dpll = 0;
else
dpll |= DPLLB_MODE_DAC_SERIAL;
if (is_sdvo) {
- int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
+ pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
if (pixel_multiplier > 1) {
dpll |= (pixel_multiplier - 1) << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT;
}
dpll |= DPLL_DVO_HIGH_SPEED;
/* compute bitmask from p1 value */
- dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT;
+ dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT;
/* also FPA1 */
- dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT;
+ dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT;
- switch (clock.p2) {
+ switch (clock->p2) {
case 5:
dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5;
break;
else
dpll |= PLL_REF_INPUT_DREFCLK;
+ return dpll;
+}
+
+static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode,
+ int x, int y,
+ struct drm_framebuffer *fb)
+{
+ 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 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;
+ bool ok, has_reduced_clock = false;
+ bool is_lvds = false, is_dp = false, is_cpu_edp = false;
+ struct intel_encoder *encoder;
+ u32 temp;
+ int ret;
+ bool dither;
+
+ for_each_encoder_on_crtc(dev, crtc, encoder) {
+ switch (encoder->type) {
+ case INTEL_OUTPUT_LVDS:
+ is_lvds = true;
+ break;
+ case INTEL_OUTPUT_DISPLAYPORT:
+ is_dp = true;
+ break;
+ case INTEL_OUTPUT_EDP:
+ is_dp = true;
+ if (!intel_encoder_is_pch_edp(&encoder->base))
+ is_cpu_edp = true;
+ break;
+ }
+
+ num_connectors++;
+ }
+
+ WARN(!(HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)),
+ "Unexpected PCH type %d\n", INTEL_PCH_TYPE(dev));
+
+ ok = ironlake_compute_clocks(crtc, adjusted_mode, &clock,
+ &has_reduced_clock, &reduced_clock);
+ if (!ok) {
+ DRM_ERROR("Couldn't find PLL settings for mode!\n");
+ 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_choose_pipe_bpp_dither(crtc, fb, &intel_crtc->bpp, mode);
+ 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, adjusted_mode, &clock, fp);
+
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 on
- * pre-Haswell/LPT generation */
- if (HAS_PCH_LPT(dev)) {
- DRM_DEBUG_KMS("LPT detected: no PLL for pipe %d necessary\n",
- pipe);
- } else if (!is_cpu_edp) {
+ /* CPU eDP is the only output that doesn't need a PCH PLL of its own. */
+ if (!is_cpu_edp) {
struct intel_pch_pll *pll;
pll = intel_get_pch_pll(intel_crtc, dpll, fp);
}
}
- if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
- /* the chip adds 2 halflines automatically */
- adjusted_mode->crtc_vtotal -= 1;
- adjusted_mode->crtc_vblank_end -= 1;
- I915_WRITE(VSYNCSHIFT(pipe),
- adjusted_mode->crtc_hsync_start
- - adjusted_mode->crtc_htotal/2);
- } else {
- I915_WRITE(VSYNCSHIFT(pipe), 0);
- }
-
- I915_WRITE(HTOTAL(pipe),
- (adjusted_mode->crtc_hdisplay - 1) |
- ((adjusted_mode->crtc_htotal - 1) << 16));
- I915_WRITE(HBLANK(pipe),
- (adjusted_mode->crtc_hblank_start - 1) |
- ((adjusted_mode->crtc_hblank_end - 1) << 16));
- I915_WRITE(HSYNC(pipe),
- (adjusted_mode->crtc_hsync_start - 1) |
- ((adjusted_mode->crtc_hsync_end - 1) << 16));
-
- I915_WRITE(VTOTAL(pipe),
- (adjusted_mode->crtc_vdisplay - 1) |
- ((adjusted_mode->crtc_vtotal - 1) << 16));
- I915_WRITE(VBLANK(pipe),
- (adjusted_mode->crtc_vblank_start - 1) |
- ((adjusted_mode->crtc_vblank_end - 1) << 16));
- I915_WRITE(VSYNC(pipe),
- (adjusted_mode->crtc_vsync_start - 1) |
- ((adjusted_mode->crtc_vsync_end - 1) << 16));
-
- /* pipesrc controls the size that is scaled from, which should
- * always be the user's requested size.
- */
- I915_WRITE(PIPESRC(pipe),
- ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
+ intel_set_pipe_timings(intel_crtc, mode, adjusted_mode);
- I915_WRITE(PIPE_DATA_M1(pipe), TU_SIZE(m_n.tu) | m_n.gmch_m);
- I915_WRITE(PIPE_DATA_N1(pipe), m_n.gmch_n);
- I915_WRITE(PIPE_LINK_M1(pipe), m_n.link_m);
- I915_WRITE(PIPE_LINK_N1(pipe), m_n.link_n);
+ ironlake_set_m_n(crtc, mode, adjusted_mode);
if (is_cpu_edp)
ironlake_set_pll_edp(crtc, adjusted_mode->clock);
return ret;
}
+static int haswell_crtc_mode_set(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode,
+ int x, int y,
+ struct drm_framebuffer *fb)
+{
+ 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 pipe = intel_crtc->pipe;
+ int plane = intel_crtc->plane;
+ int num_connectors = 0;
+ intel_clock_t clock, reduced_clock;
+ u32 dpll = 0, fp = 0, fp2 = 0;
+ bool ok, has_reduced_clock = false;
+ bool is_lvds = false, is_dp = false, is_cpu_edp = false;
+ struct intel_encoder *encoder;
+ u32 temp;
+ int ret;
+ bool dither;
+
+ for_each_encoder_on_crtc(dev, crtc, encoder) {
+ switch (encoder->type) {
+ case INTEL_OUTPUT_LVDS:
+ is_lvds = true;
+ break;
+ case INTEL_OUTPUT_DISPLAYPORT:
+ is_dp = true;
+ break;
+ case INTEL_OUTPUT_EDP:
+ is_dp = true;
+ if (!intel_encoder_is_pch_edp(&encoder->base))
+ is_cpu_edp = true;
+ break;
+ }
+
+ num_connectors++;
+ }
+
+ /* 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(pipe)) &
+ (PIPECONF_ENABLE | I965_PIPECONF_ACTIVE));
+
+ WARN_ON(I915_READ(DSPCNTR(plane)) & DISPLAY_PLANE_ENABLE);
+
+ if (!intel_ddi_pll_mode_set(crtc, adjusted_mode->clock))
+ return -EINVAL;
+
+ if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) {
+ ok = ironlake_compute_clocks(crtc, adjusted_mode, &clock,
+ &has_reduced_clock,
+ &reduced_clock);
+ if (!ok) {
+ DRM_ERROR("Couldn't find PLL settings for mode!\n");
+ 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_choose_pipe_bpp_dither(crtc, fb, &intel_crtc->bpp, mode);
+ if (is_lvds && dev_priv->lvds_dither)
+ dither = true;
+
+ DRM_DEBUG_KMS("Mode for pipe %d:\n", pipe);
+ drm_mode_debug_printmodeline(mode);
+
+ if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) {
+ 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, adjusted_mode, &clock,
+ fp);
+
+ /* CPU eDP is the only output that doesn't need a PCH PLL of its
+ * own on pre-Haswell/LPT generation */
+ if (!is_cpu_edp) {
+ struct intel_pch_pll *pll;
+
+ pll = intel_get_pch_pll(intel_crtc, dpll, fp);
+ if (pll == NULL) {
+ DRM_DEBUG_DRIVER("failed to find PLL for pipe %d\n",
+ pipe);
+ return -EINVAL;
+ }
+ } else
+ intel_put_pch_pll(intel_crtc);
+
+ /* The LVDS pin pair needs to be on before the DPLLs are
+ * enabled. This is an exception to the general rule that
+ * mode_set doesn't turn things on.
+ */
+ if (is_lvds) {
+ temp = I915_READ(PCH_LVDS);
+ temp |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
+ if (HAS_PCH_CPT(dev)) {
+ temp &= ~PORT_TRANS_SEL_MASK;
+ temp |= PORT_TRANS_SEL_CPT(pipe);
+ } else {
+ if (pipe == 1)
+ temp |= LVDS_PIPEB_SELECT;
+ else
+ temp &= ~LVDS_PIPEB_SELECT;
+ }
+
+ /* set the corresponsding LVDS_BORDER bit */
+ temp |= dev_priv->lvds_border_bits;
+ /* Set the B0-B3 data pairs corresponding to whether
+ * we're going to set the DPLLs for dual-channel mode or
+ * not.
+ */
+ if (clock.p2 == 7)
+ temp |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP;
+ else
+ temp &= ~(LVDS_B0B3_POWER_UP |
+ LVDS_CLKB_POWER_UP);
+
+ /* It would be nice to set 24 vs 18-bit mode
+ * (LVDS_A3_POWER_UP) appropriately here, but we need to
+ * look more thoroughly into how panels behave in the
+ * two modes.
+ */
+ temp &= ~(LVDS_HSYNC_POLARITY | LVDS_VSYNC_POLARITY);
+ if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC)
+ temp |= LVDS_HSYNC_POLARITY;
+ if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC)
+ temp |= LVDS_VSYNC_POLARITY;
+ I915_WRITE(PCH_LVDS, temp);
+ }
+ }
+
+ if (is_dp && !is_cpu_edp) {
+ intel_dp_set_m_n(crtc, mode, adjusted_mode);
+ } else {
+ if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) {
+ /* For non-DP output, clear any trans DP clock recovery
+ * setting.*/
+ I915_WRITE(TRANSDATA_M1(pipe), 0);
+ I915_WRITE(TRANSDATA_N1(pipe), 0);
+ I915_WRITE(TRANSDPLINK_M1(pipe), 0);
+ I915_WRITE(TRANSDPLINK_N1(pipe), 0);
+ }
+ }
+
+ intel_crtc->lowfreq_avail = false;
+ if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) {
+ if (intel_crtc->pch_pll) {
+ I915_WRITE(intel_crtc->pch_pll->pll_reg, dpll);
+
+ /* Wait for the clocks to stabilize. */
+ POSTING_READ(intel_crtc->pch_pll->pll_reg);
+ udelay(150);
+
+ /* The pixel multiplier can only be updated once the
+ * DPLL is enabled and the clocks are stable.
+ *
+ * So write it again.
+ */
+ I915_WRITE(intel_crtc->pch_pll->pll_reg, dpll);
+ }
+
+ 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);
+ }
+ }
+ }
+
+ intel_set_pipe_timings(intel_crtc, mode, adjusted_mode);
+
+ if (!is_dp || is_cpu_edp)
+ ironlake_set_m_n(crtc, mode, adjusted_mode);
+
+ if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev))
+ if (is_cpu_edp)
+ ironlake_set_pll_edp(crtc, adjusted_mode->clock);
+
+ haswell_set_pipeconf(crtc, adjusted_mode, dither);
+
+ /* Set up the display plane register */
+ I915_WRITE(DSPCNTR(plane), DISPPLANE_GAMMA_ENABLE);
+ POSTING_READ(DSPCNTR(plane));
+
+ ret = intel_pipe_set_base(crtc, x, y, fb);
+
+ intel_update_watermarks(dev);
+
+ intel_update_linetime_watermarks(dev, pipe, adjusted_mode);
+
+ return ret;
+}
+
static int intel_crtc_mode_set(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode,
.page_flip = intel_crtc_page_flip,
};
+static void intel_cpu_pll_init(struct drm_device *dev)
+{
+ if (IS_HASWELL(dev))
+ intel_ddi_pll_init(dev);
+}
+
static void intel_pch_pll_init(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
} else if (IS_VALLEYVIEW(dev)) {
int found;
+ /* Check for built-in panel first. Shares lanes with HDMI on SDVOC */
+ if (I915_READ(DP_C) & DP_DETECTED)
+ intel_dp_init(dev, DP_C, PORT_C);
+
if (I915_READ(SDVOB) & PORT_DETECTED) {
/* SDVOB multiplex with HDMIB */
found = intel_sdvo_init(dev, SDVOB, true);
if (I915_READ(SDVOC) & PORT_DETECTED)
intel_hdmi_init(dev, SDVOC, PORT_C);
- /* Shares lanes with HDMI on SDVOC */
- if (I915_READ(DP_C) & DP_DETECTED)
- intel_dp_init(dev, DP_C, PORT_C);
} else if (SUPPORTS_DIGITAL_OUTPUTS(dev)) {
bool found = false;
struct drm_i915_private *dev_priv = dev->dev_private;
/* We always want a DPMS function */
- if (HAS_PCH_SPLIT(dev)) {
+ if (IS_HASWELL(dev)) {
+ dev_priv->display.crtc_mode_set = haswell_crtc_mode_set;
+ dev_priv->display.crtc_enable = ironlake_crtc_enable;
+ dev_priv->display.crtc_disable = ironlake_crtc_disable;
+ dev_priv->display.off = haswell_crtc_off;
+ dev_priv->display.update_plane = ironlake_update_plane;
+ } else if (HAS_PCH_SPLIT(dev)) {
dev_priv->display.crtc_mode_set = ironlake_crtc_mode_set;
dev_priv->display.crtc_enable = ironlake_crtc_enable;
dev_priv->display.crtc_disable = ironlake_crtc_disable;
DRM_DEBUG_KMS("plane %d init failed: %d\n", i, ret);
}
+ intel_cpu_pll_init(dev);
intel_pch_pll_init(dev);
/* Just disable it once at startup */
crtc->active ? "enabled" : "disabled");
}
+ if (IS_HASWELL(dev))
+ intel_ddi_setup_hw_pll_state(dev);
+
list_for_each_entry(encoder, &dev->mode_config.encoder_list,
base.head) {
pipe = 0;
intel_modeset_update_staged_output_state(dev);
intel_modeset_check_state(dev);
+
+ drm_mode_config_reset(dev);
}
void intel_modeset_gem_init(struct drm_device *dev)
projects / karo-tx-linux.git / blobdiff