.subvendor = PCI_ANY_ID, \
.subdevice = PCI_ANY_ID, \
}
+ ID(PCI_DEVICE_ID_INTEL_82441), /* for HAS2 support */
ID(PCI_DEVICE_ID_INTEL_82443LX_0),
ID(PCI_DEVICE_ID_INTEL_82443BX_0),
ID(PCI_DEVICE_ID_INTEL_82443GX_0),
#include "drm_core.h"
#include "linux/pci.h"
+#include "linux/export.h"
/**
* Get the bus id.
DRM_DEBUG("\n");
return 0;
}
+EXPORT_SYMBOL(drm_noop);
# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
ccflags-y := -Iinclude/drm
-i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o \
+i915-y := i915_drv.o i915_dma.o i915_irq.o \
i915_debugfs.o \
i915_suspend.o \
i915_gem.o \
B(supports_tv);
B(has_bsd_ring);
B(has_blt_ring);
+ B(has_llc);
#undef B
return 0;
case I915_PARAM_HAS_GEN7_SOL_RESET:
value = 1;
break;
+ case I915_PARAM_HAS_LLC:
+ value = HAS_LLC(dev);
+ break;
default:
DRM_DEBUG_DRIVER("Unknown parameter %d\n",
param->param);
i915_gem_lastclose(dev);
- if (dev_priv->agp_heap)
- i915_mem_takedown(&(dev_priv->agp_heap));
-
i915_dma_cleanup(dev);
}
void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
i915_gem_release(dev, file_priv);
- if (!drm_core_check_feature(dev, DRIVER_MODESET))
- i915_mem_release(dev, file_priv, dev_priv->agp_heap);
}
void i915_driver_postclose(struct drm_device *dev, struct drm_file *file)
DRM_IOCTL_DEF_DRV(I915_IRQ_WAIT, i915_irq_wait, DRM_AUTH),
DRM_IOCTL_DEF_DRV(I915_GETPARAM, i915_getparam, DRM_AUTH),
DRM_IOCTL_DEF_DRV(I915_SETPARAM, i915_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
- DRM_IOCTL_DEF_DRV(I915_ALLOC, i915_mem_alloc, DRM_AUTH),
- DRM_IOCTL_DEF_DRV(I915_FREE, i915_mem_free, DRM_AUTH),
- DRM_IOCTL_DEF_DRV(I915_INIT_HEAP, i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF_DRV(I915_ALLOC, drm_noop, DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(I915_FREE, drm_noop, DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(I915_INIT_HEAP, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
DRM_IOCTL_DEF_DRV(I915_CMDBUFFER, i915_cmdbuffer, DRM_AUTH),
- DRM_IOCTL_DEF_DRV(I915_DESTROY_HEAP, i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF_DRV(I915_DESTROY_HEAP, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
DRM_IOCTL_DEF_DRV(I915_SET_VBLANK_PIPE, i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
DRM_IOCTL_DEF_DRV(I915_GET_VBLANK_PIPE, i915_vblank_pipe_get, DRM_AUTH),
DRM_IOCTL_DEF_DRV(I915_VBLANK_SWAP, i915_vblank_swap, DRM_AUTH),
static const struct intel_device_info intel_ironlake_d_info = {
.gen = 5,
- .need_gfx_hws = 1, .has_pipe_cxsr = 1, .has_hotplug = 1,
+ .need_gfx_hws = 1, .has_hotplug = 1,
.has_bsd_ring = 1,
};
.need_gfx_hws = 1, .has_hotplug = 1,
.has_bsd_ring = 1,
.has_blt_ring = 1,
+ .has_llc = 1,
};
static const struct intel_device_info intel_sandybridge_m_info = {
.has_fbc = 1,
.has_bsd_ring = 1,
.has_blt_ring = 1,
+ .has_llc = 1,
};
static const struct intel_device_info intel_ivybridge_d_info = {
.need_gfx_hws = 1, .has_hotplug = 1,
.has_bsd_ring = 1,
.has_blt_ring = 1,
+ .has_llc = 1,
};
static const struct intel_device_info intel_ivybridge_m_info = {
.has_fbc = 0, /* FBC is not enabled on Ivybridge mobile yet */
.has_bsd_ring = 1,
.has_blt_ring = 1,
+ .has_llc = 1,
};
static const struct pci_device_id pciidlist[] = { /* aka */
}
/**
- * i965_reset - reset chip after a hang
+ * i915_reset - reset chip after a hang
* @dev: drm device to reset
* @flags: reset domains
*
u8 supports_tv:1;
u8 has_bsd_ring:1;
u8 has_blt_ring:1;
+ u8 has_llc:1;
};
enum no_fbc_reason {
int tex_lru_log_granularity;
int allow_batchbuffer;
- struct mem_block *agp_heap;
unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
int vblank_pipe;
int num_pipe;
#define HAS_BSD(dev) (INTEL_INFO(dev)->has_bsd_ring)
#define HAS_BLT(dev) (INTEL_INFO(dev)->has_blt_ring)
+#define HAS_LLC(dev) (INTEL_INFO(dev)->has_llc)
#define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
#define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay)
#endif
-/* i915_mem.c */
-extern int i915_mem_alloc(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int i915_mem_free(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int i915_mem_init_heap(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int i915_mem_destroy_heap(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern void i915_mem_takedown(struct mem_block **heap);
-extern void i915_mem_release(struct drm_device * dev,
- struct drm_file *file_priv, struct mem_block *heap);
/* i915_gem.c */
int i915_gem_init_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
obj->base.write_domain = I915_GEM_DOMAIN_CPU;
obj->base.read_domains = I915_GEM_DOMAIN_CPU;
- if (IS_GEN6(dev) || IS_GEN7(dev)) {
- /* On Gen6, we can have the GPU use the LLC (the CPU
+ if (HAS_LLC(dev)) {
+ /* On some devices, we can have the GPU use the LLC (the CPU
* cache) for about a 10% performance improvement
* compared to uncached. Graphics requests other than
* display scanout are coherent with the CPU in
+++ /dev/null
-/* i915_mem.c -- Simple agp/fb memory manager for i915 -*- linux-c -*-
- */
-/*
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include "drmP.h"
-#include "drm.h"
-#include "i915_drm.h"
-#include "i915_drv.h"
-
-/* This memory manager is integrated into the global/local lru
- * mechanisms used by the clients. Specifically, it operates by
- * setting the 'in_use' fields of the global LRU to indicate whether
- * this region is privately allocated to a client.
- *
- * This does require the client to actually respect that field.
- *
- * Currently no effort is made to allocate 'private' memory in any
- * clever way - the LRU information isn't used to determine which
- * block to allocate, and the ring is drained prior to allocations --
- * in other words allocation is expensive.
- */
-static void mark_block(struct drm_device * dev, struct mem_block *p, int in_use)
-{
- drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
- drm_i915_sarea_t *sarea_priv = master_priv->sarea_priv;
- struct drm_tex_region *list;
- unsigned shift, nr;
- unsigned start;
- unsigned end;
- unsigned i;
- int age;
-
- shift = dev_priv->tex_lru_log_granularity;
- nr = I915_NR_TEX_REGIONS;
-
- start = p->start >> shift;
- end = (p->start + p->size - 1) >> shift;
-
- age = ++sarea_priv->texAge;
- list = sarea_priv->texList;
-
- /* Mark the regions with the new flag and update their age. Move
- * them to head of list to preserve LRU semantics.
- */
- for (i = start; i <= end; i++) {
- list[i].in_use = in_use;
- list[i].age = age;
-
- /* remove_from_list(i)
- */
- list[(unsigned)list[i].next].prev = list[i].prev;
- list[(unsigned)list[i].prev].next = list[i].next;
-
- /* insert_at_head(list, i)
- */
- list[i].prev = nr;
- list[i].next = list[nr].next;
- list[(unsigned)list[nr].next].prev = i;
- list[nr].next = i;
- }
-}
-
-/* Very simple allocator for agp memory, working on a static range
- * already mapped into each client's address space.
- */
-
-static struct mem_block *split_block(struct mem_block *p, int start, int size,
- struct drm_file *file_priv)
-{
- /* Maybe cut off the start of an existing block */
- if (start > p->start) {
- struct mem_block *newblock = kmalloc(sizeof(*newblock),
- GFP_KERNEL);
- if (!newblock)
- goto out;
- newblock->start = start;
- newblock->size = p->size - (start - p->start);
- newblock->file_priv = NULL;
- newblock->next = p->next;
- newblock->prev = p;
- p->next->prev = newblock;
- p->next = newblock;
- p->size -= newblock->size;
- p = newblock;
- }
-
- /* Maybe cut off the end of an existing block */
- if (size < p->size) {
- struct mem_block *newblock = kmalloc(sizeof(*newblock),
- GFP_KERNEL);
- if (!newblock)
- goto out;
- newblock->start = start + size;
- newblock->size = p->size - size;
- newblock->file_priv = NULL;
- newblock->next = p->next;
- newblock->prev = p;
- p->next->prev = newblock;
- p->next = newblock;
- p->size = size;
- }
-
- out:
- /* Our block is in the middle */
- p->file_priv = file_priv;
- return p;
-}
-
-static struct mem_block *alloc_block(struct mem_block *heap, int size,
- int align2, struct drm_file *file_priv)
-{
- struct mem_block *p;
- int mask = (1 << align2) - 1;
-
- for (p = heap->next; p != heap; p = p->next) {
- int start = (p->start + mask) & ~mask;
- if (p->file_priv == NULL && start + size <= p->start + p->size)
- return split_block(p, start, size, file_priv);
- }
-
- return NULL;
-}
-
-static struct mem_block *find_block(struct mem_block *heap, int start)
-{
- struct mem_block *p;
-
- for (p = heap->next; p != heap; p = p->next)
- if (p->start == start)
- return p;
-
- return NULL;
-}
-
-static void free_block(struct mem_block *p)
-{
- p->file_priv = NULL;
-
- /* Assumes a single contiguous range. Needs a special file_priv in
- * 'heap' to stop it being subsumed.
- */
- if (p->next->file_priv == NULL) {
- struct mem_block *q = p->next;
- p->size += q->size;
- p->next = q->next;
- p->next->prev = p;
- kfree(q);
- }
-
- if (p->prev->file_priv == NULL) {
- struct mem_block *q = p->prev;
- q->size += p->size;
- q->next = p->next;
- q->next->prev = q;
- kfree(p);
- }
-}
-
-/* Initialize. How to check for an uninitialized heap?
- */
-static int init_heap(struct mem_block **heap, int start, int size)
-{
- struct mem_block *blocks = kmalloc(sizeof(*blocks), GFP_KERNEL);
-
- if (!blocks)
- return -ENOMEM;
-
- *heap = kmalloc(sizeof(**heap), GFP_KERNEL);
- if (!*heap) {
- kfree(blocks);
- return -ENOMEM;
- }
-
- blocks->start = start;
- blocks->size = size;
- blocks->file_priv = NULL;
- blocks->next = blocks->prev = *heap;
-
- memset(*heap, 0, sizeof(**heap));
- (*heap)->file_priv = (struct drm_file *) -1;
- (*heap)->next = (*heap)->prev = blocks;
- return 0;
-}
-
-/* Free all blocks associated with the releasing file.
- */
-void i915_mem_release(struct drm_device * dev, struct drm_file *file_priv,
- struct mem_block *heap)
-{
- struct mem_block *p;
-
- if (!heap || !heap->next)
- return;
-
- for (p = heap->next; p != heap; p = p->next) {
- if (p->file_priv == file_priv) {
- p->file_priv = NULL;
- mark_block(dev, p, 0);
- }
- }
-
- /* Assumes a single contiguous range. Needs a special file_priv in
- * 'heap' to stop it being subsumed.
- */
- for (p = heap->next; p != heap; p = p->next) {
- while (p->file_priv == NULL && p->next->file_priv == NULL) {
- struct mem_block *q = p->next;
- p->size += q->size;
- p->next = q->next;
- p->next->prev = p;
- kfree(q);
- }
- }
-}
-
-/* Shutdown.
- */
-void i915_mem_takedown(struct mem_block **heap)
-{
- struct mem_block *p;
-
- if (!*heap)
- return;
-
- for (p = (*heap)->next; p != *heap;) {
- struct mem_block *q = p;
- p = p->next;
- kfree(q);
- }
-
- kfree(*heap);
- *heap = NULL;
-}
-
-static struct mem_block **get_heap(drm_i915_private_t * dev_priv, int region)
-{
- switch (region) {
- case I915_MEM_REGION_AGP:
- return &dev_priv->agp_heap;
- default:
- return NULL;
- }
-}
-
-/* IOCTL HANDLERS */
-
-int i915_mem_alloc(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- drm_i915_private_t *dev_priv = dev->dev_private;
- drm_i915_mem_alloc_t *alloc = data;
- struct mem_block *block, **heap;
-
- if (!dev_priv) {
- DRM_ERROR("called with no initialization\n");
- return -EINVAL;
- }
-
- heap = get_heap(dev_priv, alloc->region);
- if (!heap || !*heap)
- return -EFAULT;
-
- /* Make things easier on ourselves: all allocations at least
- * 4k aligned.
- */
- if (alloc->alignment < 12)
- alloc->alignment = 12;
-
- block = alloc_block(*heap, alloc->size, alloc->alignment, file_priv);
-
- if (!block)
- return -ENOMEM;
-
- mark_block(dev, block, 1);
-
- if (DRM_COPY_TO_USER(alloc->region_offset, &block->start,
- sizeof(int))) {
- DRM_ERROR("copy_to_user\n");
- return -EFAULT;
- }
-
- return 0;
-}
-
-int i915_mem_free(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- drm_i915_private_t *dev_priv = dev->dev_private;
- drm_i915_mem_free_t *memfree = data;
- struct mem_block *block, **heap;
-
- if (!dev_priv) {
- DRM_ERROR("called with no initialization\n");
- return -EINVAL;
- }
-
- heap = get_heap(dev_priv, memfree->region);
- if (!heap || !*heap)
- return -EFAULT;
-
- block = find_block(*heap, memfree->region_offset);
- if (!block)
- return -EFAULT;
-
- if (block->file_priv != file_priv)
- return -EPERM;
-
- mark_block(dev, block, 0);
- free_block(block);
- return 0;
-}
-
-int i915_mem_init_heap(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- drm_i915_private_t *dev_priv = dev->dev_private;
- drm_i915_mem_init_heap_t *initheap = data;
- struct mem_block **heap;
-
- if (!dev_priv) {
- DRM_ERROR("called with no initialization\n");
- return -EINVAL;
- }
-
- heap = get_heap(dev_priv, initheap->region);
- if (!heap)
- return -EFAULT;
-
- if (*heap) {
- DRM_ERROR("heap already initialized?");
- return -EFAULT;
- }
-
- return init_heap(heap, initheap->start, initheap->size);
-}
-
-int i915_mem_destroy_heap(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- drm_i915_private_t *dev_priv = dev->dev_private;
- drm_i915_mem_destroy_heap_t *destroyheap = data;
- struct mem_block **heap;
-
- if (!dev_priv) {
- DRM_ERROR("called with no initialization\n");
- return -EINVAL;
- }
-
- heap = get_heap(dev_priv, destroyheap->region);
- if (!heap) {
- DRM_ERROR("get_heap failed");
- return -EFAULT;
- }
-
- if (!*heap) {
- DRM_ERROR("heap not initialized?");
- return -EFAULT;
- }
-
- i915_mem_takedown(heap);
- return 0;
-}
ret = intel_dsm(dhandle, INTEL_DSM_FN_SUPPORTED_FUNCTIONS, 0);
if (ret < 0) {
- DRM_ERROR("failed to get supported _DSM functions\n");
+ DRM_DEBUG_KMS("failed to get supported _DSM functions\n");
return false;
}
DRM_DEBUG_KMS("no child dev is parsed from VBT\n");
return;
}
- dev_priv->child_dev = kzalloc(sizeof(*p_child) * count, GFP_KERNEL);
+ dev_priv->child_dev = kcalloc(count, sizeof(*p_child), GFP_KERNEL);
if (!dev_priv->child_dev) {
DRM_DEBUG_KMS("No memory space for child device\n");
return;
intel_range_t dot, vco, n, m, m1, m2, p, p1;
intel_p2_t p2;
bool (* find_pll)(const intel_limit_t *, struct drm_crtc *,
- int, int, intel_clock_t *);
+ int, int, intel_clock_t *, intel_clock_t *);
};
/* FDI */
static bool
intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
- int target, int refclk, intel_clock_t *best_clock);
+ 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 *best_clock);
+ 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 *best_clock);
+ 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 *best_clock);
+ 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)
static bool
intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
- int target, int refclk, intel_clock_t *best_clock)
+ int target, int refclk, intel_clock_t *match_clock,
+ intel_clock_t *best_clock)
{
struct drm_device *dev = crtc->dev;
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) {
static bool
intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
- int target, int refclk, intel_clock_t *best_clock)
+ int target, int refclk, intel_clock_t *match_clock,
+ intel_clock_t *best_clock)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
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) {
static bool
intel_find_pll_ironlake_dp(const intel_limit_t *limit, struct drm_crtc *crtc,
- int target, int refclk, intel_clock_t *best_clock)
+ int target, int refclk, intel_clock_t *match_clock,
+ intel_clock_t *best_clock)
{
struct drm_device *dev = crtc->dev;
intel_clock_t clock;
/* 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 *best_clock)
+ int target, int refclk, intel_clock_t *match_clock,
+ intel_clock_t *best_clock)
{
intel_clock_t clock;
if (target < 200000) {
pipe_name(pipe), state_string(state), state_string(cur_state));
}
-static void assert_plane_enabled(struct drm_i915_private *dev_priv,
- enum plane plane)
+static void assert_plane(struct drm_i915_private *dev_priv,
+ enum plane plane, bool state)
{
int reg;
u32 val;
+ bool cur_state;
reg = DSPCNTR(plane);
val = I915_READ(reg);
- WARN(!(val & DISPLAY_PLANE_ENABLE),
- "plane %c assertion failure, should be active but is disabled\n",
- plane_name(plane));
+ cur_state = !!(val & DISPLAY_PLANE_ENABLE);
+ WARN(cur_state != state,
+ "plane %c assertion failure (expected %s, current %s)\n",
+ plane_name(plane), state_string(state), state_string(cur_state));
}
+#define assert_plane_enabled(d, p) assert_plane(d, p, true)
+#define assert_plane_disabled(d, p) assert_plane(d, p, false)
+
static void assert_planes_disabled(struct drm_i915_private *dev_priv,
enum pipe pipe)
{
int cur_pipe;
/* Planes are fixed to pipes on ILK+ */
- if (HAS_PCH_SPLIT(dev_priv->dev))
+ if (HAS_PCH_SPLIT(dev_priv->dev)) {
+ reg = DSPCNTR(pipe);
+ val = I915_READ(reg);
+ WARN((val & DISPLAY_PLANE_ENABLE),
+ "plane %c assertion failure, should be disabled but not\n",
+ plane_name(pipe));
return;
+ }
/* Need to check both planes against the pipe */
for (i = 0; i < 2; i++) {
{
u32 val = I915_READ(reg);
WARN(hdmi_pipe_enabled(dev_priv, val, pipe),
- "PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n",
+ "PCH HDMI (0x%08x) enabled on transcoder %c, should be disabled\n",
reg, pipe_name(pipe));
}
struct drm_device *dev = crtc->dev;
crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
+ assert_plane_disabled(dev->dev_private, to_intel_crtc(crtc)->plane);
+ assert_pipe_disabled(dev->dev_private, to_intel_crtc(crtc)->pipe);
if (crtc->fb) {
mutex_lock(&dev->struct_mutex);
return display_bpc != bpc;
}
+static int i9xx_get_refclk(struct drm_crtc *crtc, int num_connectors)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int refclk;
+
+ 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;
+ DRM_DEBUG_KMS("using SSC reference clock of %d MHz\n",
+ refclk / 1000);
+ } else if (!IS_GEN2(dev)) {
+ refclk = 96000;
+ } else {
+ refclk = 48000;
+ }
+
+ return refclk;
+}
+
+static void i9xx_adjust_sdvo_tv_clock(struct drm_display_mode *adjusted_mode,
+ intel_clock_t *clock)
+{
+ /* SDVO TV has fixed PLL values depend on its clock range,
+ this mirrors vbios setting. */
+ if (adjusted_mode->clock >= 100000
+ && adjusted_mode->clock < 140500) {
+ clock->p1 = 2;
+ clock->p2 = 10;
+ clock->n = 3;
+ clock->m1 = 16;
+ clock->m2 = 8;
+ } else if (adjusted_mode->clock >= 140500
+ && adjusted_mode->clock <= 200000) {
+ clock->p1 = 1;
+ clock->p2 = 10;
+ clock->n = 6;
+ clock->m1 = 12;
+ clock->m2 = 8;
+ }
+}
+
+static void i9xx_update_pll_dividers(struct drm_crtc *crtc,
+ intel_clock_t *clock,
+ intel_clock_t *reduced_clock)
+{
+ 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;
+ u32 fp, fp2 = 0;
+
+ if (IS_PINEVIEW(dev)) {
+ fp = (1 << clock->n) << 16 | clock->m1 << 8 | clock->m2;
+ if (reduced_clock)
+ fp2 = (1 << reduced_clock->n) << 16 |
+ reduced_clock->m1 << 8 | reduced_clock->m2;
+ } else {
+ fp = clock->n << 16 | clock->m1 << 8 | clock->m2;
+ if (reduced_clock)
+ fp2 = reduced_clock->n << 16 | reduced_clock->m1 << 8 |
+ reduced_clock->m2;
+ }
+
+ I915_WRITE(FP0(pipe), fp);
+
+ intel_crtc->lowfreq_avail = false;
+ if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
+ reduced_clock && i915_powersave) {
+ I915_WRITE(FP1(pipe), fp2);
+ intel_crtc->lowfreq_avail = true;
+ } else {
+ I915_WRITE(FP1(pipe), fp);
+ }
+}
+
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 dpll, fp = 0, fp2 = 0, dspcntr, pipeconf;
+ u32 dpll, dspcntr, pipeconf;
bool ok, has_reduced_clock = false, is_sdvo = false, is_dvo = false;
bool is_crt = false, is_lvds = false, is_tv = false, is_dp = false;
struct drm_mode_config *mode_config = &dev->mode_config;
num_connectors++;
}
- if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) {
- refclk = dev_priv->lvds_ssc_freq * 1000;
- DRM_DEBUG_KMS("using SSC reference clock of %d MHz\n",
- refclk / 1000);
- } else if (!IS_GEN2(dev)) {
- refclk = 96000;
- } else {
- refclk = 48000;
- }
+ refclk = i9xx_get_refclk(crtc, num_connectors);
/*
* Returns a set of divisors for the desired target clock with the given
* 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, &clock);
+ ok = limit->find_pll(limit, crtc, adjusted_mode->clock, refclk, NULL,
+ &clock);
if (!ok) {
DRM_ERROR("Couldn't find PLL settings for mode!\n");
return -EINVAL;
intel_crtc_update_cursor(crtc, true);
if (is_lvds && dev_priv->lvds_downclock_avail) {
+ /*
+ * Ensure we match the reduced clock's P to the target clock.
+ * If the clocks don't match, we can't switch the display clock
+ * 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);
- if (has_reduced_clock && (clock.p != reduced_clock.p)) {
- /*
- * If the different P is found, it means that we can't
- * switch the display clock by using the FP0/FP1.
- * In such case we will disable the LVDS downclock
- * feature.
- */
- DRM_DEBUG_KMS("Different P is found for "
- "LVDS clock/downclock\n");
- has_reduced_clock = 0;
- }
- }
- /* SDVO TV has fixed PLL values depend on its clock range,
- this mirrors vbios setting. */
- if (is_sdvo && is_tv) {
- if (adjusted_mode->clock >= 100000
- && adjusted_mode->clock < 140500) {
- clock.p1 = 2;
- clock.p2 = 10;
- clock.n = 3;
- clock.m1 = 16;
- clock.m2 = 8;
- } else if (adjusted_mode->clock >= 140500
- && adjusted_mode->clock <= 200000) {
- clock.p1 = 1;
- clock.p2 = 10;
- clock.n = 6;
- clock.m1 = 12;
- clock.m2 = 8;
- }
}
- if (IS_PINEVIEW(dev)) {
- fp = (1 << clock.n) << 16 | clock.m1 << 8 | clock.m2;
- if (has_reduced_clock)
- fp2 = (1 << reduced_clock.n) << 16 |
- reduced_clock.m1 << 8 | reduced_clock.m2;
- } else {
- 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;
- }
+ 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);
dpll = DPLL_VGA_MODE_DIS;
/* Set up the display plane register */
dspcntr = DISPPLANE_GAMMA_ENABLE;
- /* Ironlake's plane is forced to pipe, bit 24 is to
- enable color space conversion */
if (pipe == 0)
dspcntr &= ~DISPPLANE_SEL_PIPE_MASK;
else
DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
drm_mode_debug_printmodeline(mode);
- I915_WRITE(FP0(pipe), fp);
I915_WRITE(DPLL(pipe), dpll & ~DPLL_VCO_ENABLE);
POSTING_READ(DPLL(pipe));
I915_WRITE(DPLL(pipe), dpll);
}
- intel_crtc->lowfreq_avail = false;
- if (is_lvds && has_reduced_clock && i915_powersave) {
- I915_WRITE(FP1(pipe), fp2);
- intel_crtc->lowfreq_avail = true;
- if (HAS_PIPE_CXSR(dev)) {
+ if (HAS_PIPE_CXSR(dev)) {
+ if (intel_crtc->lowfreq_avail) {
DRM_DEBUG_KMS("enabling CxSR downclocking\n");
pipeconf |= PIPECONF_CXSR_DOWNCLOCK;
- }
- } else {
- I915_WRITE(FP1(pipe), fp);
- if (HAS_PIPE_CXSR(dev)) {
+ } else {
DRM_DEBUG_KMS("disabling CxSR downclocking\n");
pipeconf &= ~PIPECONF_CXSR_DOWNCLOCK;
}
* 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, &clock);
+ ok = limit->find_pll(limit, crtc, adjusted_mode->clock, refclk, NULL,
+ &clock);
if (!ok) {
DRM_ERROR("Couldn't find PLL settings for mode!\n");
return -EINVAL;
intel_crtc_update_cursor(crtc, true);
if (is_lvds && dev_priv->lvds_downclock_avail) {
+ /*
+ * Ensure we match the reduced clock's P to the target clock.
+ * If the clocks don't match, we can't switch the display clock
+ * 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);
- if (has_reduced_clock && (clock.p != reduced_clock.p)) {
- /*
- * If the different P is found, it means that we can't
- * switch the display clock by using the FP0/FP1.
- * In such case we will disable the LVDS downclock
- * feature.
- */
- DRM_DEBUG_KMS("Different P is found for "
- "LVDS clock/downclock\n");
- has_reduced_clock = 0;
- }
}
/* SDVO TV has fixed PLL values depend on its clock range,
this mirrors vbios setting. */
int recv_bytes;
uint32_t status;
uint32_t aux_clock_divider;
- int try, precharge;
+ int try, precharge = 5;
intel_dp_check_edp(intel_dp);
/* The clock divider is based off the hrawclk,
else
aux_clock_divider = 225; /* eDP input clock at 450Mhz */
} else if (HAS_PCH_SPLIT(dev))
- aux_clock_divider = 62; /* IRL input clock fixed at 125Mhz */
+ aux_clock_divider = 63; /* IRL input clock fixed at 125Mhz */
else
aux_clock_divider = intel_hrawclk(dev) / 2;
- if (IS_GEN6(dev))
- precharge = 3;
- else
- precharge = 5;
-
/* Try to wait for any previous AUX channel activity */
for (try = 0; try < 3; try++) {
status = I915_READ(ch_ctl);
DP_AUX_CH_CTL_DONE |
DP_AUX_CH_CTL_TIME_OUT_ERROR |
DP_AUX_CH_CTL_RECEIVE_ERROR);
+
+ if (status & (DP_AUX_CH_CTL_TIME_OUT_ERROR |
+ DP_AUX_CH_CTL_RECEIVE_ERROR))
+ continue;
if (status & DP_AUX_CH_CTL_DONE)
break;
}
dev_priv->saveBLC_PWM_CTL2 = val;
} else if (val == 0) {
I915_WRITE(BLC_PWM_PCH_CTL2,
- dev_priv->saveBLC_PWM_CTL);
- val = dev_priv->saveBLC_PWM_CTL;
+ dev_priv->saveBLC_PWM_CTL2);
+ val = dev_priv->saveBLC_PWM_CTL2;
}
} else {
val = I915_READ(BLC_PWM_CTL);
#define I915_PARAM_HAS_EXEC_CONSTANTS 14
#define I915_PARAM_HAS_RELAXED_DELTA 15
#define I915_PARAM_HAS_GEN7_SOL_RESET 16
+#define I915_PARAM_HAS_LLC 17
typedef struct drm_i915_getparam {
int param;
projects / karo-tx-linux.git / commitdiff