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Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 

* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (39 commits)
  i915/gtt: fix ordering causing DMAR errors on object teardown.
  i915/gtt: fix ordering issues with status setup and DMAR
  drm/i915/execbuffer: Reorder binding of objects to favour restrictions
  drm/i915: If we hit OOM when allocating GTT pages, clear the aperture
  drm/i915/evict: Ensure we completely cleanup on failure
  drm/i915/execbuffer: Correctly clear the current object list upon EFAULT
  drm/i915/debugfs: Show all objects in the gtt
  drm/i915: Record AGP memory type upon error
  drm/i915: Periodically flush the active lists and requests
  drm/i915/gtt: Unmap the PCI pages after unbinding them from the GTT
  drm/i915: Record the error batchbuffer on each ring
  drm/i915: Include TLB miss overhead for computing WM
  drm/i915: Propagate error from flushing the ring
  drm/i915: detect & report PCH display error interrupts
  drm/i915: cleanup rc6 code
  drm/i915: fix rc6 enabling around suspend/resume
  drm/i915: re-enable rc6 support for Ironlake+
  drm/i915: Make the ring IMR handling private
  drm/i915/ringbuffer: Simplify the ring irq refcounting
  drm/i915/debugfs: Show the per-ring IMR
  ...
This commit is contained in:
Linus Torvalds 2011-01-12 08:40:25 -08:00
parent 1b3862798c d15eda5c6e
commit f878133bf0
23 changed files with 1108 additions and 663 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/char/agp/intel-agp.h
View File

@ -94,6 +94,8 @@
#define G4x_GMCH_SIZE_VT_1_5M (0xa << 8)
#define G4x_GMCH_SIZE_VT_2M (0xc << 8)
#define GFX_FLSH_CNTL 0x2170 /* 915+ */
#define I810_DRAM_CTL 0x3000
#define I810_DRAM_ROW_0 0x00000001
#define I810_DRAM_ROW_0_SDRAM 0x00000001

17
drivers/char/agp/intel-gtt.c
View File

@ -688,14 +688,14 @@ static int intel_gtt_init(void)
intel_private.base.stolen_size = intel_gtt_stolen_size();
intel_private.base.needs_dmar = USE_PCI_DMA_API && INTEL_GTT_GEN > 2;
ret = intel_gtt_setup_scratch_page();
if (ret != 0) {
intel_gtt_cleanup();
return ret;
}
intel_private.base.needs_dmar = USE_PCI_DMA_API && INTEL_GTT_GEN > 2;
return 0;
}
@ -814,6 +814,12 @@ static bool intel_enable_gtt(void)
}
}
/* On the resume path we may be adjusting the PGTBL value, so
* be paranoid and flush all chipset write buffers...
*/
if (INTEL_GTT_GEN >= 3)
writel(0, intel_private.registers+GFX_FLSH_CNTL);
reg = intel_private.registers+I810_PGETBL_CTL;
writel(intel_private.PGETBL_save, reg);
if (HAS_PGTBL_EN && (readl(reg) & I810_PGETBL_ENABLED) == 0) {
@ -823,6 +829,9 @@ static bool intel_enable_gtt(void)
return false;
}
if (INTEL_GTT_GEN >= 3)
writel(0, intel_private.registers+GFX_FLSH_CNTL);
return true;
}
@ -991,14 +1000,14 @@ static int intel_fake_agp_remove_entries(struct agp_memory *mem,
if (mem->page_count == 0)
return 0;
intel_gtt_clear_range(pg_start, mem->page_count);
if (intel_private.base.needs_dmar) {
intel_gtt_unmap_memory(mem->sg_list, mem->num_sg);
mem->sg_list = NULL;
mem->num_sg = 0;
}
intel_gtt_clear_range(pg_start, mem->page_count);
return 0;
}

87
drivers/gpu/drm/i915/i915_debugfs.c
View File

@ -106,10 +106,19 @@ static const char *get_tiling_flag(struct drm_i915_gem_object *obj)
}
}
static const char *agp_type_str(int type)
{
switch (type) {
case 0: return " uncached";
case 1: return " snooped";
default: return "";
}
}
static void
describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
{
seq_printf(m, "%p: %s%s %8zd %04x %04x %d %d%s%s",
seq_printf(m, "%p: %s%s %8zd %04x %04x %d %d%s%s%s",
&obj->base,
get_pin_flag(obj),
get_tiling_flag(obj),
@ -118,6 +127,7 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
obj->base.write_domain,
obj->last_rendering_seqno,
obj->last_fenced_seqno,
agp_type_str(obj->agp_type == AGP_USER_CACHED_MEMORY),
obj->dirty ? " dirty" : "",
obj->madv == I915_MADV_DONTNEED ? " purgeable" : "");
if (obj->base.name)
@ -276,6 +286,37 @@ static int i915_gem_object_info(struct seq_file *m, void* data)
return 0;
}
static int i915_gem_gtt_info(struct seq_file *m, void* data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj;
size_t total_obj_size, total_gtt_size;
int count, ret;
ret = mutex_lock_interruptible(&dev->struct_mutex);
if (ret)
return ret;
total_obj_size = total_gtt_size = count = 0;
list_for_each_entry(obj, &dev_priv->mm.gtt_list, gtt_list) {
seq_printf(m, " ");
describe_obj(m, obj);
seq_printf(m, "\n");
total_obj_size += obj->base.size;
total_gtt_size += obj->gtt_space->size;
count++;
}
mutex_unlock(&dev->struct_mutex);
seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n",
count, total_obj_size, total_gtt_size);
return 0;
}
static int i915_gem_pageflip_info(struct seq_file *m, void *data)
{
@ -456,8 +497,14 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
}
seq_printf(m, "Interrupts received: %d\n",
atomic_read(&dev_priv->irq_received));
for (i = 0; i < I915_NUM_RINGS; i++)
for (i = 0; i < I915_NUM_RINGS; i++) {
if (IS_GEN6(dev)) {
seq_printf(m, "Graphics Interrupt mask (%s): %08x\n",
dev_priv->ring[i].name,
I915_READ_IMR(&dev_priv->ring[i]));
}
i915_ring_seqno_info(m, &dev_priv->ring[i]);
}
mutex_unlock(&dev->struct_mutex);
return 0;
@ -656,7 +703,7 @@ static void print_error_buffers(struct seq_file *m,
seq_printf(m, "%s [%d]:\n", name, count);
while (count--) {
seq_printf(m, " %08x %8zd %04x %04x %08x%s%s%s%s%s",
seq_printf(m, " %08x %8zd %04x %04x %08x%s%s%s%s%s%s",
err->gtt_offset,
err->size,
err->read_domains,
@ -666,7 +713,8 @@ static void print_error_buffers(struct seq_file *m,
tiling_flag(err->tiling),
dirty_flag(err->dirty),
purgeable_flag(err->purgeable),
ring_str(err->ring));
ring_str(err->ring),
agp_type_str(err->agp_type));
if (err->name)
seq_printf(m, " (name: %d)", err->name);
@ -744,7 +792,9 @@ static int i915_error_state(struct seq_file *m, void *unused)
if (error->batchbuffer[i]) {
struct drm_i915_error_object *obj = error->batchbuffer[i];
seq_printf(m, "--- gtt_offset = 0x%08x\n", obj->gtt_offset);
seq_printf(m, "%s --- gtt_offset = 0x%08x\n",
dev_priv->ring[i].name,
obj->gtt_offset);
offset = 0;
for (page = 0; page < obj->page_count; page++) {
for (elt = 0; elt < PAGE_SIZE/4; elt++) {
@ -890,7 +940,7 @@ static int i915_drpc_info(struct seq_file *m, void *unused)
struct drm_device *dev = node->minor->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
u32 rgvmodectl = I915_READ(MEMMODECTL);
u32 rstdbyctl = I915_READ(MCHBAR_RENDER_STANDBY);
u32 rstdbyctl = I915_READ(RSTDBYCTL);
u16 crstandvid = I915_READ16(CRSTANDVID);
seq_printf(m, "HD boost: %s\n", (rgvmodectl & MEMMODE_BOOST_EN) ?
@ -913,6 +963,30 @@ static int i915_drpc_info(struct seq_file *m, void *unused)
seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f));
seq_printf(m, "Render standby enabled: %s\n",
(rstdbyctl & RCX_SW_EXIT) ? "no" : "yes");
seq_printf(m, "Current RS state: ");
switch (rstdbyctl & RSX_STATUS_MASK) {
case RSX_STATUS_ON:
seq_printf(m, "on\n");
break;
case RSX_STATUS_RC1:
seq_printf(m, "RC1\n");
break;
case RSX_STATUS_RC1E:
seq_printf(m, "RC1E\n");
break;
case RSX_STATUS_RS1:
seq_printf(m, "RS1\n");
break;
case RSX_STATUS_RS2:
seq_printf(m, "RS2 (RC6)\n");
break;
case RSX_STATUS_RS3:
seq_printf(m, "RC3 (RC6+)\n");
break;
default:
seq_printf(m, "unknown\n");
break;
}
return 0;
}
@ -1187,6 +1261,7 @@ static int i915_wedged_create(struct dentry *root, struct drm_minor *minor)
static struct drm_info_list i915_debugfs_list[] = {
{"i915_capabilities", i915_capabilities, 0, 0},
{"i915_gem_objects", i915_gem_object_info, 0},
{"i915_gem_gtt", i915_gem_gtt_info, 0},
{"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
{"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST},
{"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST},

8
drivers/gpu/drm/i915/i915_dma.c
View File

@ -1962,13 +1962,6 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
/* enable GEM by default */
dev_priv->has_gem = 1;
if (dev_priv->has_gem == 0 &&
drm_core_check_feature(dev, DRIVER_MODESET)) {
DRM_ERROR("kernel modesetting requires GEM, disabling driver.\n");
ret = -ENODEV;
goto out_workqueue_free;
}
dev->driver->get_vblank_counter = i915_get_vblank_counter;
dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
if (IS_G4X(dev) || IS_GEN5(dev) || IS_GEN6(dev)) {
@ -2055,7 +2048,6 @@ out_gem_unload:
intel_teardown_gmbus(dev);
intel_teardown_mchbar(dev);
out_workqueue_free:
destroy_workqueue(dev_priv->wq);
out_iomapfree:
io_mapping_free(dev_priv->mm.gtt_mapping);

9
drivers/gpu/drm/i915/i915_drv.c
View File

@ -49,6 +49,9 @@ module_param_named(powersave, i915_powersave, int, 0600);
unsigned int i915_lvds_downclock = 0;
module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400);
bool i915_try_reset = true;
module_param_named(reset, i915_try_reset, bool, 0600);
static struct drm_driver driver;
extern int intel_agp_enabled;
@ -352,6 +355,9 @@ static int i915_drm_thaw(struct drm_device *dev)
/* Resume the modeset for every activated CRTC */
drm_helper_resume_force_mode(dev);
if (dev_priv->renderctx && dev_priv->pwrctx)
ironlake_enable_rc6(dev);
}
intel_opregion_init(dev);
@ -475,6 +481,9 @@ int i915_reset(struct drm_device *dev, u8 flags)
bool need_display = true;
int ret;
if (!i915_try_reset)
return 0;
if (!mutex_trylock(&dev->struct_mutex))
return -EBUSY;

24
drivers/gpu/drm/i915/i915_drv.h
View File

@ -172,20 +172,21 @@ struct drm_i915_error_state {
int page_count;
u32 gtt_offset;
u32 *pages[0];
} *ringbuffer, *batchbuffer[2];
} *ringbuffer, *batchbuffer[I915_NUM_RINGS];
struct drm_i915_error_buffer {
size_t size;
u32 size;
u32 name;
u32 seqno;
u32 gtt_offset;
u32 read_domains;
u32 write_domain;
u32 fence_reg;
s32 fence_reg:5;
s32 pinned:2;
u32 tiling:2;
u32 dirty:1;
u32 purgeable:1;
u32 ring:4;
u32 agp_type:1;
} *active_bo, *pinned_bo;
u32 active_bo_count, pinned_bo_count;
struct intel_overlay_error_state *overlay;
@ -332,6 +333,7 @@ typedef struct drm_i915_private {
/* LVDS info */
int backlight_level; /* restore backlight to this value */
bool backlight_enabled;
struct drm_display_mode *panel_fixed_mode;
struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
@ -794,6 +796,7 @@ struct drm_i915_gem_object {
*/
struct hlist_node exec_node;
unsigned long exec_handle;
struct drm_i915_gem_exec_object2 *exec_entry;
/**
* Current offset of the object in GTT space.
@ -1006,12 +1009,6 @@ extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
extern u32 gm45_get_vblank_counter(struct drm_device *dev, int crtc);
extern int i915_vblank_swap(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern void i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask);
extern void i915_disable_irq(drm_i915_private_t *dev_priv, u32 mask);
extern void ironlake_enable_graphics_irq(drm_i915_private_t *dev_priv,
u32 mask);
extern void ironlake_disable_graphics_irq(drm_i915_private_t *dev_priv,
u32 mask);
void
i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
@ -1091,10 +1088,10 @@ int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
void i915_gem_load(struct drm_device *dev);
int i915_gem_init_object(struct drm_gem_object *obj);
void i915_gem_flush_ring(struct drm_device *dev,
struct intel_ring_buffer *ring,
uint32_t invalidate_domains,
uint32_t flush_domains);
int __must_check i915_gem_flush_ring(struct drm_device *dev,
struct intel_ring_buffer *ring,
uint32_t invalidate_domains,
uint32_t flush_domains);
struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev,
size_t size);
void i915_gem_free_object(struct drm_gem_object *obj);
@ -1265,6 +1262,7 @@ extern void intel_disable_fbc(struct drm_device *dev);
extern void intel_enable_fbc(struct drm_crtc *crtc, unsigned long interval);
extern bool intel_fbc_enabled(struct drm_device *dev);
extern bool ironlake_set_drps(struct drm_device *dev, u8 val);
extern void ironlake_enable_rc6(struct drm_device *dev);
extern void gen6_set_rps(struct drm_device *dev, u8 val);
extern void intel_detect_pch (struct drm_device *dev);
extern int intel_trans_dp_port_sel (struct drm_crtc *crtc);

156
drivers/gpu/drm/i915/i915_gem.c
View File

@ -35,18 +35,18 @@
#include <linux/swap.h>
#include <linux/pci.h>
static void i915_gem_object_flush_gpu_write_domain(struct drm_i915_gem_object *obj);
static __must_check int i915_gem_object_flush_gpu_write_domain(struct drm_i915_gem_object *obj);
static void i915_gem_object_flush_gtt_write_domain(struct drm_i915_gem_object *obj);
static void i915_gem_object_flush_cpu_write_domain(struct drm_i915_gem_object *obj);
static int i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object *obj,
bool write);
static int i915_gem_object_set_cpu_read_domain_range(struct drm_i915_gem_object *obj,
uint64_t offset,
uint64_t size);
static __must_check int i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object *obj,
bool write);
static __must_check int i915_gem_object_set_cpu_read_domain_range(struct drm_i915_gem_object *obj,
uint64_t offset,
uint64_t size);
static void i915_gem_object_set_to_full_cpu_read_domain(struct drm_i915_gem_object *obj);
static int i915_gem_object_bind_to_gtt(struct drm_i915_gem_object *obj,
unsigned alignment,
bool map_and_fenceable);
static __must_check int i915_gem_object_bind_to_gtt(struct drm_i915_gem_object *obj,
unsigned alignment,
bool map_and_fenceable);
static void i915_gem_clear_fence_reg(struct drm_device *dev,
struct drm_i915_fence_reg *reg);
static int i915_gem_phys_pwrite(struct drm_device *dev,
@ -1935,6 +1935,8 @@ i915_gem_retire_work_handler(struct work_struct *work)
{
drm_i915_private_t *dev_priv;
struct drm_device *dev;
bool idle;
int i;
dev_priv = container_of(work, drm_i915_private_t,
mm.retire_work.work);
@ -1948,11 +1950,31 @@ i915_gem_retire_work_handler(struct work_struct *work)
i915_gem_retire_requests(dev);
if (!dev_priv->mm.suspended &&
(!list_empty(&dev_priv->ring[RCS].request_list) ||
!list_empty(&dev_priv->ring[VCS].request_list) ||
!list_empty(&dev_priv->ring[BCS].request_list)))
/* Send a periodic flush down the ring so we don't hold onto GEM
* objects indefinitely.
*/
idle = true;
for (i = 0; i < I915_NUM_RINGS; i++) {
struct intel_ring_buffer *ring = &dev_priv->ring[i];
if (!list_empty(&ring->gpu_write_list)) {
struct drm_i915_gem_request *request;
int ret;
ret = i915_gem_flush_ring(dev, ring, 0,
I915_GEM_GPU_DOMAINS);
request = kzalloc(sizeof(*request), GFP_KERNEL);
if (ret || request == NULL ||
i915_add_request(dev, NULL, request, ring))
kfree(request);
}
idle &= list_empty(&ring->request_list);
}
if (!dev_priv->mm.suspended && !idle)
queue_delayed_work(dev_priv->wq, &dev_priv->mm.retire_work, HZ);
mutex_unlock(&dev->struct_mutex);
}
@ -2142,25 +2164,37 @@ i915_gem_object_unbind(struct drm_i915_gem_object *obj)
return ret;
}
void
int
i915_gem_flush_ring(struct drm_device *dev,
struct intel_ring_buffer *ring,
uint32_t invalidate_domains,
uint32_t flush_domains)
{
ring->flush(ring, invalidate_domains, flush_domains);
int ret;
ret = ring->flush(ring, invalidate_domains, flush_domains);
if (ret)
return ret;
i915_gem_process_flushing_list(dev, flush_domains, ring);
return 0;
}
static int i915_ring_idle(struct drm_device *dev,
struct intel_ring_buffer *ring)
{
int ret;
if (list_empty(&ring->gpu_write_list) && list_empty(&ring->active_list))
return 0;
if (!list_empty(&ring->gpu_write_list))
i915_gem_flush_ring(dev, ring,
if (!list_empty(&ring->gpu_write_list)) {
ret = i915_gem_flush_ring(dev, ring,
I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
if (ret)
return ret;
}
return i915_wait_request(dev,
i915_gem_next_request_seqno(dev, ring),
ring);
@ -2370,10 +2404,13 @@ i915_gem_object_flush_fence(struct drm_i915_gem_object *obj,
int ret;
if (obj->fenced_gpu_access) {
if (obj->base.write_domain & I915_GEM_GPU_DOMAINS)
i915_gem_flush_ring(obj->base.dev,
obj->last_fenced_ring,
0, obj->base.write_domain);
if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) {
ret = i915_gem_flush_ring(obj->base.dev,
obj->last_fenced_ring,
0, obj->base.write_domain);
if (ret)
return ret;
}
obj->fenced_gpu_access = false;
}
@ -2393,6 +2430,12 @@ i915_gem_object_flush_fence(struct drm_i915_gem_object *obj,
obj->last_fenced_ring = NULL;
}
/* Ensure that all CPU reads are completed before installing a fence
* and all writes before removing the fence.
*/
if (obj->base.read_domains & I915_GEM_DOMAIN_GTT)
mb();
return 0;
}
@ -2523,9 +2566,12 @@ i915_gem_object_get_fence(struct drm_i915_gem_object *obj,
return ret;
} else if (obj->tiling_changed) {
if (obj->fenced_gpu_access) {
if (obj->base.write_domain & I915_GEM_GPU_DOMAINS)
i915_gem_flush_ring(obj->base.dev, obj->ring,
0, obj->base.write_domain);
if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) {
ret = i915_gem_flush_ring(obj->base.dev, obj->ring,
0, obj->base.write_domain);
if (ret)
return ret;
}
obj->fenced_gpu_access = false;
}
@ -2736,10 +2782,8 @@ i915_gem_object_bind_to_gtt(struct drm_i915_gem_object *obj,
obj->gtt_space = NULL;
if (ret == -ENOMEM) {
/* first try to clear up some space from the GTT */
ret = i915_gem_evict_something(dev, size,
alignment,
map_and_fenceable);
/* first try to reclaim some memory by clearing the GTT */
ret = i915_gem_evict_everything(dev, false);
if (ret) {
/* now try to shrink everyone else */
if (gfpmask) {
@ -2747,7 +2791,7 @@ i915_gem_object_bind_to_gtt(struct drm_i915_gem_object *obj,
goto search_free;
}
return ret;
return -ENOMEM;
}
goto search_free;
@ -2762,9 +2806,7 @@ i915_gem_object_bind_to_gtt(struct drm_i915_gem_object *obj,
drm_mm_put_block(obj->gtt_space);
obj->gtt_space = NULL;
ret = i915_gem_evict_something(dev, size,
alignment, map_and_fenceable);
if (ret)
if (i915_gem_evict_everything(dev, false))
return ret;
goto search_free;
@ -2811,17 +2853,16 @@ i915_gem_clflush_object(struct drm_i915_gem_object *obj)
}
/** Flushes any GPU write domain for the object if it's dirty. */
static void
static int
i915_gem_object_flush_gpu_write_domain(struct drm_i915_gem_object *obj)
{
struct drm_device *dev = obj->base.dev;
if ((obj->base.write_domain & I915_GEM_GPU_DOMAINS) == 0)
return;
return 0;
/* Queue the GPU write cache flushing we need. */
i915_gem_flush_ring(dev, obj->ring, 0, obj->base.write_domain);
BUG_ON(obj->base.write_domain);
return i915_gem_flush_ring(dev, obj->ring, 0, obj->base.write_domain);
}
/** Flushes the GTT write domain for the object if it's dirty. */
@ -2833,10 +2874,16 @@ i915_gem_object_flush_gtt_write_domain(struct drm_i915_gem_object *obj)
if (obj->base.write_domain != I915_GEM_DOMAIN_GTT)
return;
/* No actual flushing is required for the GTT write domain. Writes
/* No actual flushing is required for the GTT write domain. Writes
* to it immediately go to main memory as far as we know, so there's
* no chipset flush. It also doesn't land in render cache.
*
* However, we do have to enforce the order so that all writes through
* the GTT land before any writes to the device, such as updates to
* the GATT itself.
*/
wmb();
i915_gem_release_mmap(obj);
old_write_domain = obj->base.write_domain;
@ -2882,7 +2929,10 @@ i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, bool write)
if (obj->gtt_space == NULL)
return -EINVAL;
i915_gem_object_flush_gpu_write_domain(obj);
ret = i915_gem_object_flush_gpu_write_domain(obj);
if (ret)
return ret;
if (obj->pending_gpu_write || write) {
ret = i915_gem_object_wait_rendering(obj, true);
if (ret)
@ -2927,7 +2977,10 @@ i915_gem_object_set_to_display_plane(struct drm_i915_gem_object *obj,
if (obj->gtt_space == NULL)
return -EINVAL;
i915_gem_object_flush_gpu_write_domain(obj);
ret = i915_gem_object_flush_gpu_write_domain(obj);
if (ret)
return ret;
/* Currently, we are always called from an non-interruptible context. */
if (pipelined != obj->ring) {
@ -2952,12 +3005,17 @@ int
i915_gem_object_flush_gpu(struct drm_i915_gem_object *obj,
bool interruptible)
{
int ret;
if (!obj->active)
return 0;
if (obj->base.write_domain & I915_GEM_GPU_DOMAINS)
i915_gem_flush_ring(obj->base.dev, obj->ring,
0, obj->base.write_domain);
if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) {
ret = i915_gem_flush_ring(obj->base.dev, obj->ring,
0, obj->base.write_domain);
if (ret)
return ret;
}
return i915_gem_object_wait_rendering(obj, interruptible);
}
@ -2974,7 +3032,10 @@ i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object *obj, bool write)
uint32_t old_write_domain, old_read_domains;
int ret;
i915_gem_object_flush_gpu_write_domain(obj);
ret = i915_gem_object_flush_gpu_write_domain(obj);
if (ret)
return ret;
ret = i915_gem_object_wait_rendering(obj, true);
if (ret)
return ret;
@ -3069,7 +3130,10 @@ i915_gem_object_set_cpu_read_domain_range(struct drm_i915_gem_object *obj,
if (offset == 0 && size == obj->base.size)
return i915_gem_object_set_to_cpu_domain(obj, 0);
i915_gem_object_flush_gpu_write_domain(obj);
ret = i915_gem_object_flush_gpu_write_domain(obj);
if (ret)
return ret;
ret = i915_gem_object_wait_rendering(obj, true);
if (ret)
return ret;
@ -3362,8 +3426,8 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data,
* flush earlier is beneficial.
*/
if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) {
i915_gem_flush_ring(dev, obj->ring,
0, obj->base.write_domain);
ret = i915_gem_flush_ring(dev, obj->ring,
0, obj->base.write_domain);
} else if (obj->ring->outstanding_lazy_request ==
obj->last_rendering_seqno) {
struct drm_i915_gem_request *request;

9
drivers/gpu/drm/i915/i915_gem_evict.c
View File

@ -127,9 +127,15 @@ i915_gem_evict_something(struct drm_device *dev, int min_size,
}
/* Nothing found, clean up and bail out! */
list_for_each_entry(obj, &unwind_list, exec_list) {
while (!list_empty(&unwind_list)) {
obj = list_first_entry(&unwind_list,
struct drm_i915_gem_object,
exec_list);
ret = drm_mm_scan_remove_block(obj->gtt_space);
BUG_ON(ret);
list_del_init(&obj->exec_list);
drm_gem_object_unreference(&obj->base);
}
@ -162,6 +168,7 @@ found:
exec_list);
if (ret == 0)
ret = i915_gem_object_unbind(obj);
list_del_init(&obj->exec_list);
drm_gem_object_unreference(&obj->base);
}

119
drivers/gpu/drm/i915/i915_gem_execbuffer.c
View File

@ -268,7 +268,6 @@ eb_destroy(struct eb_objects *eb)
static int
i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
struct eb_objects *eb,
struct drm_i915_gem_exec_object2 *entry,
struct drm_i915_gem_relocation_entry *reloc)
{
struct drm_device *dev = obj->base.dev;
@ -411,10 +410,10 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
static int
i915_gem_execbuffer_relocate_object(struct drm_i915_gem_object *obj,
struct eb_objects *eb,
struct drm_i915_gem_exec_object2 *entry)
struct eb_objects *eb)
{
struct drm_i915_gem_relocation_entry __user *user_relocs;
struct drm_i915_gem_exec_object2 *entry = obj->exec_entry;
int i, ret;
user_relocs = (void __user *)(uintptr_t)entry->relocs_ptr;
@ -426,7 +425,7 @@ i915_gem_execbuffer_relocate_object(struct drm_i915_gem_object *obj,
sizeof(reloc)))
return -EFAULT;
ret = i915_gem_execbuffer_relocate_entry(obj, eb, entry, &reloc);
ret = i915_gem_execbuffer_relocate_entry(obj, eb, &reloc);
if (ret)
return ret;
@ -442,13 +441,13 @@ i915_gem_execbuffer_relocate_object(struct drm_i915_gem_object *obj,
static int
i915_gem_execbuffer_relocate_object_slow(struct drm_i915_gem_object *obj,
struct eb_objects *eb,
struct drm_i915_gem_exec_object2 *entry,
struct drm_i915_gem_relocation_entry *relocs)
{
const struct drm_i915_gem_exec_object2 *entry = obj->exec_entry;
int i, ret;
for (i = 0; i < entry->relocation_count; i++) {
ret = i915_gem_execbuffer_relocate_entry(obj, eb, entry, &relocs[i]);
ret = i915_gem_execbuffer_relocate_entry(obj, eb, &relocs[i]);
if (ret)
return ret;
}
@ -459,8 +458,7 @@ i915_gem_execbuffer_relocate_object_slow(struct drm_i915_gem_object *obj,
static int
i915_gem_execbuffer_relocate(struct drm_device *dev,
struct eb_objects *eb,
struct list_head *objects,
struct drm_i915_gem_exec_object2 *exec)
struct list_head *objects)
{
struct drm_i915_gem_object *obj;
int ret;
@ -468,7 +466,7 @@ i915_gem_execbuffer_relocate(struct drm_device *dev,
list_for_each_entry(obj, objects, exec_list) {
obj->base.pending_read_domains = 0;
obj->base.pending_write_domain = 0;
ret = i915_gem_execbuffer_relocate_object(obj, eb, exec++);
ret = i915_gem_execbuffer_relocate_object(obj, eb);
if (ret)
return ret;
}
@ -479,13 +477,36 @@ i915_gem_execbuffer_relocate(struct drm_device *dev,
static int
i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
struct drm_file *file,
struct list_head *objects,
struct drm_i915_gem_exec_object2 *exec)
struct list_head *objects)
{
struct drm_i915_gem_object *obj;
struct drm_i915_gem_exec_object2 *entry;
int ret, retry;
bool has_fenced_gpu_access = INTEL_INFO(ring->dev)->gen < 4;
struct list_head ordered_objects;
INIT_LIST_HEAD(&ordered_objects);
while (!list_empty(objects)) {
struct drm_i915_gem_exec_object2 *entry;
bool need_fence, need_mappable;
obj = list_first_entry(objects,
struct drm_i915_gem_object,
exec_list);
entry = obj->exec_entry;
need_fence =
has_fenced_gpu_access &&
entry->flags & EXEC_OBJECT_NEEDS_FENCE &&
obj->tiling_mode != I915_TILING_NONE;
need_mappable =
entry->relocation_count ? true : need_fence;
if (need_mappable)
list_move(&obj->exec_list, &ordered_objects);
else
list_move_tail(&obj->exec_list, &ordered_objects);
}
list_splice(&ordered_objects, objects);
/* Attempt to pin all of the buffers into the GTT.
* This is done in 3 phases:
@ -504,14 +525,11 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
ret = 0;
/* Unbind any ill-fitting objects or pin. */
entry = exec;
list_for_each_entry(obj, objects, exec_list) {
struct drm_i915_gem_exec_object2 *entry = obj->exec_entry;
bool need_fence, need_mappable;
if (!obj->gtt_space) {
entry++;
if (!obj->gtt_space)
continue;
}
need_fence =
has_fenced_gpu_access &&
@ -534,8 +552,8 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
}
/* Bind fresh objects */
entry = exec;
list_for_each_entry(obj, objects, exec_list) {
struct drm_i915_gem_exec_object2 *entry = obj->exec_entry;
bool need_fence;
need_fence =
@ -570,7 +588,6 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
}
entry->offset = obj->gtt_offset;
entry++;
}
/* Decrement pin count for bound objects */
@ -622,7 +639,7 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
int i, total, ret;
/* We may process another execbuffer during the unlock... */
while (list_empty(objects)) {
while (!list_empty(objects)) {
obj = list_first_entry(objects,
struct drm_i915_gem_object,
exec_list);
@ -665,7 +682,6 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
}
/* reacquire the objects */
INIT_LIST_HEAD(objects);
eb_reset(eb);
for (i = 0; i < count; i++) {
struct drm_i915_gem_object *obj;
@ -681,10 +697,11 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
list_add_tail(&obj->exec_list, objects);
obj->exec_handle = exec[i].handle;
obj->exec_entry = &exec[i];
eb_add_object(eb, obj);
}
ret = i915_gem_execbuffer_reserve(ring, file, objects, exec);
ret = i915_gem_execbuffer_reserve(ring, file, objects);
if (ret)
goto err;
@ -693,7 +710,6 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
obj->base.pending_read_domains = 0;
obj->base.pending_write_domain = 0;
ret = i915_gem_execbuffer_relocate_object_slow(obj, eb,
exec,
reloc + total);
if (ret)
goto err;
@ -713,25 +729,34 @@ err:
return ret;
}
static void
static int
i915_gem_execbuffer_flush(struct drm_device *dev,
uint32_t invalidate_domains,
uint32_t flush_domains,
uint32_t flush_rings)
{
drm_i915_private_t *dev_priv = dev->dev_private;
int i;
int i, ret;
if (flush_domains & I915_GEM_DOMAIN_CPU)
intel_gtt_chipset_flush();
if (flush_domains & I915_GEM_DOMAIN_GTT)
wmb();
if ((flush_domains | invalidate_domains) & I915_GEM_GPU_DOMAINS) {
for (i = 0; i < I915_NUM_RINGS; i++)
if (flush_rings & (1 << i))
i915_gem_flush_ring(dev, &dev_priv->ring[i],
invalidate_domains,
flush_domains);
if (flush_rings & (1 << i)) {
ret = i915_gem_flush_ring(dev,
&dev_priv->ring[i],
invalidate_domains,
flush_domains);
if (ret)
return ret;
}
}
return 0;
}
static int
@ -795,10 +820,12 @@ i915_gem_execbuffer_move_to_gpu(struct intel_ring_buffer *ring,
cd.invalidate_domains,
cd.flush_domains);
#endif
i915_gem_execbuffer_flush(ring->dev,
cd.invalidate_domains,
cd.flush_domains,
cd.flush_rings);
ret = i915_gem_execbuffer_flush(ring->dev,
cd.invalidate_domains,
cd.flush_domains,
cd.flush_rings);
if (ret)
return ret;
}
list_for_each_entry(obj, objects, exec_list) {
@ -921,7 +948,7 @@ i915_gem_execbuffer_retire_commands(struct drm_device *dev,
struct intel_ring_buffer *ring)
{
struct drm_i915_gem_request *request;
u32 flush_domains;
u32 invalidate;
/*
* Ensure that the commands in the batch buffer are
@ -929,11 +956,13 @@ i915_gem_execbuffer_retire_commands(struct drm_device *dev,
*
* The sampler always gets flushed on i965 (sigh).
*/
flush_domains = 0;
invalidate = I915_GEM_DOMAIN_COMMAND;
if (INTEL_INFO(dev)->gen >= 4)
flush_domains |= I915_GEM_DOMAIN_SAMPLER;
ring->flush(ring, I915_GEM_DOMAIN_COMMAND, flush_domains);
invalidate |= I915_GEM_DOMAIN_SAMPLER;
if (ring->flush(ring, invalidate, 0)) {
i915_gem_next_request_seqno(dev, ring);
return;
}
/* Add a breadcrumb for the completion of the batch buffer */
request = kzalloc(sizeof(*request), GFP_KERNEL);
@ -1098,16 +1127,22 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
list_add_tail(&obj->exec_list, &objects);
obj->exec_handle = exec[i].handle;
obj->exec_entry = &exec[i];
eb_add_object(eb, obj);
}
/* take note of the batch buffer before we might reorder the lists */
batch_obj = list_entry(objects.prev,
struct drm_i915_gem_object,
exec_list);
/* Move the objects en-masse into the GTT, evicting if necessary. */
ret = i915_gem_execbuffer_reserve(ring, file, &objects, exec);
ret = i915_gem_execbuffer_reserve(ring, file, &objects);
if (ret)
goto err;
/* The objects are in their final locations, apply the relocations. */
ret = i915_gem_execbuffer_relocate(dev, eb, &objects, exec);
ret = i915_gem_execbuffer_relocate(dev, eb, &objects);
if (ret) {
if (ret == -EFAULT) {
ret = i915_gem_execbuffer_relocate_slow(dev, file, ring,
@ -1121,9 +1156,6 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
}
/* Set the pending read domains for the batch buffer to COMMAND */
batch_obj = list_entry(objects.prev,
struct drm_i915_gem_object,
exec_list);
if (batch_obj->base.pending_write_domain) {
DRM_ERROR("Attempting to use self-modifying batch buffer\n");
ret = -EINVAL;
@ -1340,4 +1372,3 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
drm_free_large(exec2_list);
return ret;
}

14
drivers/gpu/drm/i915/i915_gem_gtt.c
View File

@ -85,15 +85,11 @@ int i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj)
void i915_gem_gtt_unbind_object(struct drm_i915_gem_object *obj)
{
struct drm_device *dev = obj->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
if (dev_priv->mm.gtt->needs_dmar) {
intel_gtt_unmap_memory(obj->sg_list, obj->num_sg);
obj->sg_list = NULL;
obj->num_sg = 0;
}
intel_gtt_clear_range(obj->gtt_space->start >> PAGE_SHIFT,
obj->base.size >> PAGE_SHIFT);
if (obj->sg_list) {
intel_gtt_unmap_memory(obj->sg_list, obj->num_sg);
obj->sg_list = NULL;
}
}

269
drivers/gpu/drm/i915/i915_irq.c
View File

@ -64,26 +64,6 @@
#define DRM_I915_VBLANK_PIPE_ALL (DRM_I915_VBLANK_PIPE_A | \
DRM_I915_VBLANK_PIPE_B)
void
ironlake_enable_graphics_irq(drm_i915_private_t *dev_priv, u32 mask)
{
if ((dev_priv->gt_irq_mask & mask) != 0) {
dev_priv->gt_irq_mask &= ~mask;
I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
POSTING_READ(GTIMR);
}
}
void
ironlake_disable_graphics_irq(drm_i915_private_t *dev_priv, u32 mask)
{
if ((dev_priv->gt_irq_mask & mask) != mask) {
dev_priv->gt_irq_mask |= mask;
I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
POSTING_READ(GTIMR);
}
}
/* For display hotplug interrupt */
static void
ironlake_enable_display_irq(drm_i915_private_t *dev_priv, u32 mask)
@ -105,26 +85,6 @@ ironlake_disable_display_irq(drm_i915_private_t *dev_priv, u32 mask)
}
}
void
i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask)
{
if ((dev_priv->irq_mask & mask) != 0) {
dev_priv->irq_mask &= ~mask;
I915_WRITE(IMR, dev_priv->irq_mask);
POSTING_READ(IMR);
}
}
void
i915_disable_irq(drm_i915_private_t *dev_priv, u32 mask)
{
if ((dev_priv->irq_mask & mask) != mask) {
dev_priv->irq_mask |= mask;
I915_WRITE(IMR, dev_priv->irq_mask);
POSTING_READ(IMR);
}
}
static inline u32
i915_pipestat(int pipe)
{
@ -389,9 +349,12 @@ static void notify_ring(struct drm_device *dev,
{
struct drm_i915_private *dev_priv = dev->dev_private;
u32 seqno = ring->get_seqno(ring);
ring->irq_seqno = seqno;
trace_i915_gem_request_complete(dev, seqno);
ring->irq_seqno = seqno;
wake_up_all(&ring->irq_queue);
dev_priv->hangcheck_count = 0;
mod_timer(&dev_priv->hangcheck_timer,
jiffies + msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD));
@ -435,6 +398,50 @@ static void gen6_pm_irq_handler(struct drm_device *dev)
I915_WRITE(GEN6_PMIIR, pm_iir);
}
static void pch_irq_handler(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
u32 pch_iir;
pch_iir = I915_READ(SDEIIR);
if (pch_iir & SDE_AUDIO_POWER_MASK)
DRM_DEBUG_DRIVER("PCH audio power change on port %d\n",
(pch_iir & SDE_AUDIO_POWER_MASK) >>
SDE_AUDIO_POWER_SHIFT);
if (pch_iir & SDE_GMBUS)
DRM_DEBUG_DRIVER("PCH GMBUS interrupt\n");
if (pch_iir & SDE_AUDIO_HDCP_MASK)
DRM_DEBUG_DRIVER("PCH HDCP audio interrupt\n");
if (pch_iir & SDE_AUDIO_TRANS_MASK)
DRM_DEBUG_DRIVER("PCH transcoder audio interrupt\n");
if (pch_iir & SDE_POISON)
DRM_ERROR("PCH poison interrupt\n");
if (pch_iir & SDE_FDI_MASK) {
u32 fdia, fdib;
fdia = I915_READ(FDI_RXA_IIR);
fdib = I915_READ(FDI_RXB_IIR);
DRM_DEBUG_DRIVER("PCH FDI RX interrupt; FDI RXA IIR: 0x%08x, FDI RXB IIR: 0x%08x\n", fdia, fdib);
}
if (pch_iir & (SDE_TRANSB_CRC_DONE | SDE_TRANSA_CRC_DONE))
DRM_DEBUG_DRIVER("PCH transcoder CRC done interrupt\n");
if (pch_iir & (SDE_TRANSB_CRC_ERR | SDE_TRANSA_CRC_ERR))
DRM_DEBUG_DRIVER("PCH transcoder CRC error interrupt\n");
if (pch_iir & SDE_TRANSB_FIFO_UNDER)
DRM_DEBUG_DRIVER("PCH transcoder B underrun interrupt\n");
if (pch_iir & SDE_TRANSA_FIFO_UNDER)
DRM_DEBUG_DRIVER("PCH transcoder A underrun interrupt\n");
}
static irqreturn_t ironlake_irq_handler(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
@ -502,8 +509,11 @@ static irqreturn_t ironlake_irq_handler(struct drm_device *dev)
drm_handle_vblank(dev, 1);
/* check event from PCH */
if ((de_iir & DE_PCH_EVENT) && (pch_iir & hotplug_mask))
queue_work(dev_priv->wq, &dev_priv->hotplug_work);
if (de_iir & DE_PCH_EVENT) {
if (pch_iir & hotplug_mask)
queue_work(dev_priv->wq, &dev_priv->hotplug_work);
pch_irq_handler(dev);
}
if (de_iir & DE_PCU_EVENT) {
I915_WRITE16(MEMINTRSTS, I915_READ(MEMINTRSTS));
@ -556,10 +566,9 @@ static void i915_error_work_func(struct work_struct *work)
#ifdef CONFIG_DEBUG_FS
static struct drm_i915_error_object *
i915_error_object_create(struct drm_device *dev,
i915_error_object_create(struct drm_i915_private *dev_priv,
struct drm_i915_gem_object *src)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_error_object *dst;
int page, page_count;
u32 reloc_offset;
@ -632,52 +641,6 @@ i915_error_state_free(struct drm_device *dev,
kfree(error);
}
static u32
i915_get_bbaddr(struct drm_device *dev, u32 *ring)
{
u32 cmd;
if (IS_I830(dev) || IS_845G(dev))
cmd = MI_BATCH_BUFFER;
else if (INTEL_INFO(dev)->gen >= 4)
cmd = (MI_BATCH_BUFFER_START | (2 << 6) |
MI_BATCH_NON_SECURE_I965);
else
cmd = (MI_BATCH_BUFFER_START | (2 << 6));
return ring[0] == cmd ? ring[1] : 0;
}
static u32
i915_ringbuffer_last_batch(struct drm_device *dev,
struct intel_ring_buffer *ring)
{
struct drm_i915_private *dev_priv = dev->dev_private;
u32 head, bbaddr;
u32 *val;
/* Locate the current position in the ringbuffer and walk back
* to find the most recently dispatched batch buffer.
*/
head = I915_READ_HEAD(ring) & HEAD_ADDR;
val = (u32 *)(ring->virtual_start + head);
while (--val >= (u32 *)ring->virtual_start) {
bbaddr = i915_get_bbaddr(dev, val);
if (bbaddr)
return bbaddr;
}
val = (u32 *)(ring->virtual_start + ring->size);
while (--val >= (u32 *)ring->virtual_start) {
bbaddr = i915_get_bbaddr(dev, val);
if (bbaddr)
return bbaddr;
}
return 0;
}
static u32 capture_bo_list(struct drm_i915_error_buffer *err,
int count,
struct list_head *head)
@ -702,6 +665,7 @@ static u32 capture_bo_list(struct drm_i915_error_buffer *err,
err->dirty = obj->dirty;
err->purgeable = obj->madv != I915_MADV_WILLNEED;
err->ring = obj->ring ? obj->ring->id : 0;
err->agp_type = obj->agp_type == AGP_USER_CACHED_MEMORY;
if (++i == count)
break;
@ -741,6 +705,36 @@ static void i915_gem_record_fences(struct drm_device *dev,
}
}
static struct drm_i915_error_object *
i915_error_first_batchbuffer(struct drm_i915_private *dev_priv,
struct intel_ring_buffer *ring)
{
struct drm_i915_gem_object *obj;
u32 seqno;
if (!ring->get_seqno)
return NULL;
seqno = ring->get_seqno(ring);
list_for_each_entry(obj, &dev_priv->mm.active_list, mm_list) {
if (obj->ring != ring)
continue;
if (!i915_seqno_passed(obj->last_rendering_seqno, seqno))
continue;
if ((obj->base.read_domains & I915_GEM_DOMAIN_COMMAND) == 0)
continue;
/* We need to copy these to an anonymous buffer as the simplest
* method to avoid being overwritten by userspace.
*/
return i915_error_object_create(dev_priv, obj);
}
return NULL;
}
/**
* i915_capture_error_state - capture an error record for later analysis
* @dev: drm device
@ -755,10 +749,8 @@ static void i915_capture_error_state(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj;
struct drm_i915_error_state *error;
struct drm_i915_gem_object *batchbuffer[2];
unsigned long flags;
u32 bbaddr;
int count;
int i;
spin_lock_irqsave(&dev_priv->error_lock, flags);
error = dev_priv->first_error;
@ -817,83 +809,30 @@ static void i915_capture_error_state(struct drm_device *dev)
}
i915_gem_record_fences(dev, error);
bbaddr = i915_ringbuffer_last_batch(dev, &dev_priv->ring[RCS]);
/* Grab the current batchbuffer, most likely to have crashed. */
batchbuffer[0] = NULL;
batchbuffer[1] = NULL;
count = 0;
list_for_each_entry(obj, &dev_priv->mm.active_list, mm_list) {
if (batchbuffer[0] == NULL &&
bbaddr >= obj->gtt_offset &&
bbaddr < obj->gtt_offset + obj->base.size)
batchbuffer[0] = obj;
if (batchbuffer[1] == NULL &&
error->acthd >= obj->gtt_offset &&
error->acthd < obj->gtt_offset + obj->base.size)
batchbuffer[1] = obj;
count++;
}
/* Scan the other lists for completeness for those bizarre errors. */
if (batchbuffer[0] == NULL || batchbuffer[1] == NULL) {
list_for_each_entry(obj, &dev_priv->mm.flushing_list, mm_list) {
if (batchbuffer[0] == NULL &&
bbaddr >= obj->gtt_offset &&
bbaddr < obj->gtt_offset + obj->base.size)
batchbuffer[0] = obj;
if (batchbuffer[1] == NULL &&
error->acthd >= obj->gtt_offset &&
error->acthd < obj->gtt_offset + obj->base.size)
batchbuffer[1] = obj;
if (batchbuffer[0] && batchbuffer[1])
break;
}
}
if (batchbuffer[0] == NULL || batchbuffer[1] == NULL) {
list_for_each_entry(obj, &dev_priv->mm.inactive_list, mm_list) {
if (batchbuffer[0] == NULL &&
bbaddr >= obj->gtt_offset &&
bbaddr < obj->gtt_offset + obj->base.size)
batchbuffer[0] = obj;
if (batchbuffer[1] == NULL &&
error->acthd >= obj->gtt_offset &&
error->acthd < obj->gtt_offset + obj->base.size)
batchbuffer[1] = obj;
if (batchbuffer[0] && batchbuffer[1])
break;
}
}
/* We need to copy these to an anonymous buffer as the simplest
* method to avoid being overwritten by userspace.
*/
error->batchbuffer[0] = i915_error_object_create(dev, batchbuffer[0]);
if (batchbuffer[1] != batchbuffer[0])
error->batchbuffer[1] = i915_error_object_create(dev, batchbuffer[1]);
else
error->batchbuffer[1] = NULL;
/* Record the active batchbuffers */
for (i = 0; i < I915_NUM_RINGS; i++)
error->batchbuffer[i] =
i915_error_first_batchbuffer(dev_priv,
&dev_priv->ring[i]);
/* Record the ringbuffer */
error->ringbuffer = i915_error_object_create(dev,
error->ringbuffer = i915_error_object_create(dev_priv,
dev_priv->ring[RCS].obj);
/* Record buffers on the active and pinned lists. */
error->active_bo = NULL;
error->pinned_bo = NULL;
error->active_bo_count = count;
i = 0;
list_for_each_entry(obj, &dev_priv->mm.active_list, mm_list)
i++;
error->active_bo_count = i;
list_for_each_entry(obj, &dev_priv->mm.pinned_list, mm_list)
count++;
error->pinned_bo_count = count - error->active_bo_count;
i++;
error->pinned_bo_count = i - error->active_bo_count;
if (count) {
error->active_bo = kmalloc(sizeof(*error->active_bo)*count,
if (i) {
error->active_bo = kmalloc(sizeof(*error->active_bo)*i,
GFP_ATOMIC);
if (error->active_bo)
error->pinned_bo =
@ -1673,11 +1612,6 @@ static int ironlake_irq_postinstall(struct drm_device *dev)
I915_WRITE(GTIIR, I915_READ(GTIIR));
I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
if (IS_GEN6(dev)) {
I915_WRITE(GEN6_RENDER_IMR, ~GEN6_RENDER_USER_INTERRUPT);
I915_WRITE(GEN6_BSD_IMR, ~GEN6_BSD_USER_INTERRUPT);
I915_WRITE(GEN6_BLITTER_IMR, ~GEN6_BLITTER_USER_INTERRUPT);
}
if (IS_GEN6(dev))
render_irqs =
@ -1698,6 +1632,9 @@ static int ironlake_irq_postinstall(struct drm_device *dev)
} else {
hotplug_mask = SDE_CRT_HOTPLUG | SDE_PORTB_HOTPLUG |
SDE_PORTC_HOTPLUG | SDE_PORTD_HOTPLUG;
hotplug_mask |= SDE_AUX_MASK | SDE_FDI_MASK | SDE_TRANS_MASK;
I915_WRITE(FDI_RXA_IMR, 0);
I915_WRITE(FDI_RXB_IMR, 0);
}
dev_priv->pch_irq_mask = ~hotplug_mask;

95
drivers/gpu/drm/i915/i915_reg.h
View File

@ -145,6 +145,8 @@
#define MI_END_SCENE (1 << 4) /* flush binner and incr scene count */
#define MI_INVALIDATE_ISP (1 << 5) /* invalidate indirect state pointers */
#define MI_BATCH_BUFFER_END MI_INSTR(0x0a, 0)
#define MI_SUSPEND_FLUSH MI_INSTR(0x0b, 0)
#define MI_SUSPEND_FLUSH_EN (1<<0)
#define MI_REPORT_HEAD MI_INSTR(0x07, 0)
#define MI_OVERLAY_FLIP MI_INSTR(0x11,0)
#define MI_OVERLAY_CONTINUE (0x0<<21)
@ -159,6 +161,7 @@
#define MI_MM_SPACE_PHYSICAL (0<<8)
#define MI_SAVE_EXT_STATE_EN (1<<3)
#define MI_RESTORE_EXT_STATE_EN (1<<2)
#define MI_FORCE_RESTORE (1<<1)
#define MI_RESTORE_INHIBIT (1<<0)
#define MI_STORE_DWORD_IMM MI_INSTR(0x20, 1)
#define MI_MEM_VIRTUAL (1 << 22) /* 965+ only */
@ -288,6 +291,7 @@
#define RING_HWS_PGA_GEN6(base) ((base)+0x2080)
#define RING_ACTHD(base) ((base)+0x74)
#define RING_NOPID(base) ((base)+0x94)
#define RING_IMR(base) ((base)+0xa8)
#define TAIL_ADDR 0x001FFFF8
#define HEAD_WRAP_COUNT 0xFFE00000
#define HEAD_WRAP_ONE 0x00200000
@ -1130,9 +1134,50 @@
#define RCBMINAVG 0x111a0
#define RCUPEI 0x111b0
#define RCDNEI 0x111b4
#define MCHBAR_RENDER_STANDBY 0x111b8
#define RCX_SW_EXIT (1<<23)
#define RSX_STATUS_MASK 0x00700000
#define RSTDBYCTL 0x111b8
#define RS1EN (1<<31)
#define RS2EN (1<<30)
#define RS3EN (1<<29)
#define D3RS3EN (1<<28) /* Display D3 imlies RS3 */
#define SWPROMORSX (1<<27) /* RSx promotion timers ignored */
#define RCWAKERW (1<<26) /* Resetwarn from PCH causes wakeup */
#define DPRSLPVREN (1<<25) /* Fast voltage ramp enable */
#define GFXTGHYST (1<<24) /* Hysteresis to allow trunk gating */
#define RCX_SW_EXIT (1<<23) /* Leave RSx and prevent re-entry */
#define RSX_STATUS_MASK (7<<20)
#define RSX_STATUS_ON (0<<20)
#define RSX_STATUS_RC1 (1<<20)
#define RSX_STATUS_RC1E (2<<20)
#define RSX_STATUS_RS1 (3<<20)
#define RSX_STATUS_RS2 (4<<20) /* aka rc6 */
#define RSX_STATUS_RSVD (5<<20) /* deep rc6 unsupported on ilk */
#define RSX_STATUS_RS3 (6<<20) /* rs3 unsupported on ilk */
#define RSX_STATUS_RSVD2 (7<<20)
#define UWRCRSXE (1<<19) /* wake counter limit prevents rsx */
#define RSCRP (1<<18) /* rs requests control on rs1/2 reqs */
#define JRSC (1<<17) /* rsx coupled to cpu c-state */
#define RS2INC0 (1<<16) /* allow rs2 in cpu c0 */
#define RS1CONTSAV_MASK (3<<14)
#define RS1CONTSAV_NO_RS1 (0<<14) /* rs1 doesn't save/restore context */
#define RS1CONTSAV_RSVD (1<<14)
#define RS1CONTSAV_SAVE_RS1 (2<<14) /* rs1 saves context */
#define RS1CONTSAV_FULL_RS1 (3<<14) /* rs1 saves and restores context */
#define NORMSLEXLAT_MASK (3<<12)
#define SLOW_RS123 (0<<12)
#define SLOW_RS23 (1<<12)
#define SLOW_RS3 (2<<12)
#define NORMAL_RS123 (3<<12)
#define RCMODE_TIMEOUT (1<<11) /* 0 is eval interval method */
#define IMPROMOEN (1<<10) /* promo is immediate or delayed until next idle interval (only for timeout method above) */
#define RCENTSYNC (1<<9) /* rs coupled to cpu c-state (3/6/7) */
#define STATELOCK (1<<7) /* locked to rs_cstate if 0 */
#define RS_CSTATE_MASK (3<<4)
#define RS_CSTATE_C367_RS1 (0<<4)
#define RS_CSTATE_C36_RS1_C7_RS2 (1<<4)
#define RS_CSTATE_RSVD (2<<4)
#define RS_CSTATE_C367_RS2 (3<<4)
#define REDSAVES (1<<3) /* no context save if was idle during rs0 */
#define REDRESTORES (1<<2) /* no restore if was idle during rs0 */
#define VIDCTL 0x111c0
#define VIDSTS 0x111c8
#define VIDSTART 0x111cc /* 8 bits */
@ -2345,8 +2390,13 @@
/* Memory latency timer register */
#define MLTR_ILK 0x11222
#define MLTR_WM1_SHIFT 0
#define MLTR_WM2_SHIFT 8
/* the unit of memory self-refresh latency time is 0.5us */
#define ILK_SRLT_MASK 0x3f
#define ILK_LATENCY(shift) (I915_READ(MLTR_ILK) >> (shift) & ILK_SRLT_MASK)
#define ILK_READ_WM1_LATENCY() ILK_LATENCY(MLTR_WM1_SHIFT)
#define ILK_READ_WM2_LATENCY() ILK_LATENCY(MLTR_WM2_SHIFT)
/* define the fifo size on Ironlake */
#define ILK_DISPLAY_FIFO 128
@ -2728,12 +2778,41 @@
/* PCH */
/* south display engine interrupt */
#define SDE_AUDIO_POWER_D (1 << 27)
#define SDE_AUDIO_POWER_C (1 << 26)
#define SDE_AUDIO_POWER_B (1 << 25)
#define SDE_AUDIO_POWER_SHIFT (25)
#define SDE_AUDIO_POWER_MASK (7 << SDE_AUDIO_POWER_SHIFT)
#define SDE_GMBUS (1 << 24)
#define SDE_AUDIO_HDCP_TRANSB (1 << 23)
#define SDE_AUDIO_HDCP_TRANSA (1 << 22)
#define SDE_AUDIO_HDCP_MASK (3 << 22)
#define SDE_AUDIO_TRANSB (1 << 21)
#define SDE_AUDIO_TRANSA (1 << 20)
#define SDE_AUDIO_TRANS_MASK (3 << 20)
#define SDE_POISON (1 << 19)
/* 18 reserved */
#define SDE_FDI_RXB (1 << 17)
#define SDE_FDI_RXA (1 << 16)
#define SDE_FDI_MASK (3 << 16)
#define SDE_AUXD (1 << 15)
#define SDE_AUXC (1 << 14)
#define SDE_AUXB (1 << 13)
#define SDE_AUX_MASK (7 << 13)
/* 12 reserved */
#define SDE_CRT_HOTPLUG (1 << 11)
#define SDE_PORTD_HOTPLUG (1 << 10)
#define SDE_PORTC_HOTPLUG (1 << 9)
#define SDE_PORTB_HOTPLUG (1 << 8)
#define SDE_SDVOB_HOTPLUG (1 << 6)
#define SDE_HOTPLUG_MASK (0xf << 8)
#define SDE_TRANSB_CRC_DONE (1 << 5)
#define SDE_TRANSB_CRC_ERR (1 << 4)
#define SDE_TRANSB_FIFO_UNDER (1 << 3)
#define SDE_TRANSA_CRC_DONE (1 << 2)
#define SDE_TRANSA_CRC_ERR (1 << 1)
#define SDE_TRANSA_FIFO_UNDER (1 << 0)
#define SDE_TRANS_MASK (0x3f)
/* CPT */
#define SDE_CRT_HOTPLUG_CPT (1 << 19)
#define SDE_PORTD_HOTPLUG_CPT (1 << 23)
@ -3174,10 +3253,11 @@
#define EDP_LINK_TRAIN_600MV_3_5DB_SNB_A (0x01<<22)
#define EDP_LINK_TRAIN_800MV_0DB_SNB_A (0x0<<22)
/* SNB B-stepping */
#define EDP_LINK_TRAIN_400MV_0DB_SNB_B (0x0<<22)
#define EDP_LINK_TRAIN_400MV_6DB_SNB_B (0x3a<<22)
#define EDP_LINK_TRAIN_600MV_3_5DB_SNB_B (0x39<<22)
#define EDP_LINK_TRAIN_800MV_0DB_SNB_B (0x38<<22)
#define EDP_LINK_TRAIN_400_600MV_0DB_SNB_B (0x0<<22)
#define EDP_LINK_TRAIN_400MV_3_5DB_SNB_B (0x1<<22)
#define EDP_LINK_TRAIN_400_600MV_6DB_SNB_B (0x3a<<22)
#define EDP_LINK_TRAIN_600_800MV_3_5DB_SNB_B (0x39<<22)
#define EDP_LINK_TRAIN_800_1200MV_0DB_SNB_B (0x38<<22)
#define EDP_LINK_TRAIN_VOL_EMP_MASK_SNB (0x3f<<22)
#define FORCEWAKE 0xA18C
@ -3239,6 +3319,7 @@
#define GEN6_PCODE_MAILBOX 0x138124
#define GEN6_PCODE_READY (1<<31)
#define GEN6_READ_OC_PARAMS 0xc
#define GEN6_PCODE_WRITE_MIN_FREQ_TABLE 0x9
#define GEN6_PCODE_DATA 0x138128

8
drivers/gpu/drm/i915/i915_suspend.c
View File

@ -740,7 +740,7 @@ void i915_restore_display(struct drm_device *dev)
I915_WRITE(PCH_PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS);
I915_WRITE(PCH_PP_DIVISOR, dev_priv->savePP_DIVISOR);
I915_WRITE(PCH_PP_CONTROL, dev_priv->savePP_CONTROL);
I915_WRITE(MCHBAR_RENDER_STANDBY,
I915_WRITE(RSTDBYCTL,
dev_priv->saveMCHBAR_RENDER_STANDBY);
} else {
I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS);
@ -811,7 +811,7 @@ int i915_save_state(struct drm_device *dev)
dev_priv->saveFDI_RXA_IMR = I915_READ(FDI_RXA_IMR);
dev_priv->saveFDI_RXB_IMR = I915_READ(FDI_RXB_IMR);
dev_priv->saveMCHBAR_RENDER_STANDBY =
I915_READ(MCHBAR_RENDER_STANDBY);
I915_READ(RSTDBYCTL);
} else {
dev_priv->saveIER = I915_READ(IER);
dev_priv->saveIMR = I915_READ(IMR);
@ -822,10 +822,6 @@ int i915_save_state(struct drm_device *dev)
if (IS_GEN6(dev))
gen6_disable_rps(dev);
/* XXX disabling the clock gating breaks suspend on gm45
intel_disable_clock_gating(dev);
*/
/* Cache mode state */
dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);

30
drivers/gpu/drm/i915/intel_crt.c
View File

@ -30,6 +30,7 @@
#include "drm.h"
#include "drm_crtc.h"
#include "drm_crtc_helper.h"
#include "drm_edid.h"
#include "intel_drv.h"
#include "i915_drm.h"
#include "i915_drv.h"
@ -287,8 +288,9 @@ static bool intel_crt_ddc_probe(struct drm_i915_private *dev_priv, int ddc_bus)
return i2c_transfer(&dev_priv->gmbus[ddc_bus].adapter, msgs, 1) == 1;
}
static bool intel_crt_detect_ddc(struct intel_crt *crt)
static bool intel_crt_detect_ddc(struct drm_connector *connector)
{
struct intel_crt *crt = intel_attached_crt(connector);
struct drm_i915_private *dev_priv = crt->base.base.dev->dev_private;
/* CRT should always be at 0, but check anyway */
@ -301,8 +303,26 @@ static bool intel_crt_detect_ddc(struct intel_crt *crt)
}
if (intel_ddc_probe(&crt->base, dev_priv->crt_ddc_pin)) {
DRM_DEBUG_KMS("CRT detected via DDC:0x50 [EDID]\n");
return true;
struct edid *edid;
bool is_digital = false;
edid = drm_get_edid(connector,
&dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
/*
* This may be a DVI-I connector with a shared DDC
* link between analog and digital outputs, so we
* have to check the EDID input spec of the attached device.
*/
if (edid != NULL) {
is_digital = edid->input & DRM_EDID_INPUT_DIGITAL;
connector->display_info.raw_edid = NULL;
kfree(edid);
}
if (!is_digital) {
DRM_DEBUG_KMS("CRT detected via DDC:0x50 [EDID]\n");
return true;
}
}
return false;
@ -458,7 +478,7 @@ intel_crt_detect(struct drm_connector *connector, bool force)
}
}
if (intel_crt_detect_ddc(crt))
if (intel_crt_detect_ddc(connector))
return connector_status_connected;
if (!force)
@ -472,7 +492,7 @@ intel_crt_detect(struct drm_connector *connector, bool force)
crtc = intel_get_load_detect_pipe(&crt->base, connector,
NULL, &dpms_mode);
if (crtc) {
if (intel_crt_detect_ddc(crt))
if (intel_crt_detect_ddc(connector))
status = connector_status_connected;
else
status = intel_crt_load_detect(crtc, crt);

476
drivers/gpu/drm/i915/intel_display.c
View File

@ -3418,15 +3418,16 @@ static void i830_update_wm(struct drm_device *dev, int planea_clock, int unused,
static bool ironlake_compute_wm0(struct drm_device *dev,
int pipe,
const struct intel_watermark_params *display,
int display_latency,
int display_latency_ns,
const struct intel_watermark_params *cursor,
int cursor_latency,
int cursor_latency_ns,
int *plane_wm,
int *cursor_wm)
{
struct drm_crtc *crtc;
int htotal, hdisplay, clock, pixel_size = 0;
int line_time_us, line_count, entries;
int htotal, hdisplay, clock, pixel_size;
int line_time_us, line_count;
int entries, tlb_miss;
crtc = intel_get_crtc_for_pipe(dev, pipe);
if (crtc->fb == NULL || !crtc->enabled)
@ -3438,7 +3439,10 @@ static bool ironlake_compute_wm0(struct drm_device *dev,
pixel_size = crtc->fb->bits_per_pixel / 8;
/* Use the small buffer method to calculate plane watermark */
entries = ((clock * pixel_size / 1000) * display_latency * 100) / 1000;
entries = ((clock * pixel_size / 1000) * display_latency_ns) / 1000;
tlb_miss = display->fifo_size*display->cacheline_size - hdisplay * 8;
if (tlb_miss > 0)
entries += tlb_miss;
entries = DIV_ROUND_UP(entries, display->cacheline_size);
*plane_wm = entries + display->guard_size;
if (*plane_wm > (int)display->max_wm)
@ -3446,8 +3450,11 @@ static bool ironlake_compute_wm0(struct drm_device *dev,
/* Use the large buffer method to calculate cursor watermark */
line_time_us = ((htotal * 1000) / clock);
line_count = (cursor_latency * 100 / line_time_us + 1000) / 1000;
line_count = (cursor_latency_ns / line_time_us + 1000) / 1000;
entries = line_count * 64 * pixel_size;
tlb_miss = cursor->fifo_size*cursor->cacheline_size - hdisplay * 8;
if (tlb_miss > 0)
entries += tlb_miss;
entries = DIV_ROUND_UP(entries, cursor->cacheline_size);
*cursor_wm = entries + cursor->guard_size;
if (*cursor_wm > (int)cursor->max_wm)
@ -3456,14 +3463,109 @@ static bool ironlake_compute_wm0(struct drm_device *dev,
return true;
}
/*
* Check the wm result.
*
* If any calculated watermark values is larger than the maximum value that
* can be programmed into the associated watermark register, that watermark
* must be disabled.
*/
static bool ironlake_check_srwm(struct drm_device *dev, int level,
int fbc_wm, int display_wm, int cursor_wm,
const struct intel_watermark_params *display,
const struct intel_watermark_params *cursor)
{
struct drm_i915_private *dev_priv = dev->dev_private;
DRM_DEBUG_KMS("watermark %d: display plane %d, fbc lines %d,"
" cursor %d\n", level, display_wm, fbc_wm, cursor_wm);
if (fbc_wm > SNB_FBC_MAX_SRWM) {
DRM_DEBUG_KMS("fbc watermark(%d) is too large(%d), disabling wm%d+\n",
fbc_wm, SNB_FBC_MAX_SRWM, level);
/* fbc has it's own way to disable FBC WM */
I915_WRITE(DISP_ARB_CTL,
I915_READ(DISP_ARB_CTL) | DISP_FBC_WM_DIS);
return false;
}
if (display_wm > display->max_wm) {
DRM_DEBUG_KMS("display watermark(%d) is too large(%d), disabling wm%d+\n",
display_wm, SNB_DISPLAY_MAX_SRWM, level);
return false;
}
if (cursor_wm > cursor->max_wm) {
DRM_DEBUG_KMS("cursor watermark(%d) is too large(%d), disabling wm%d+\n",
cursor_wm, SNB_CURSOR_MAX_SRWM, level);
return false;
}
if (!(fbc_wm || display_wm || cursor_wm)) {
DRM_DEBUG_KMS("latency %d is 0, disabling wm%d+\n", level, level);
return false;
}
return true;
}
/*
* Compute watermark values of WM[1-3],
*/
static bool ironlake_compute_srwm(struct drm_device *dev, int level,
int hdisplay, int htotal,
int pixel_size, int clock, int latency_ns,
const struct intel_watermark_params *display,
const struct intel_watermark_params *cursor,
int *fbc_wm, int *display_wm, int *cursor_wm)
{
unsigned long line_time_us;
int line_count, line_size;
int small, large;
int entries;
if (!latency_ns) {
*fbc_wm = *display_wm = *cursor_wm = 0;
return false;
}
line_time_us = (htotal * 1000) / clock;
line_count = (latency_ns / line_time_us + 1000) / 1000;
line_size = hdisplay * pixel_size;
/* Use the minimum of the small and large buffer method for primary */
small = ((clock * pixel_size / 1000) * latency_ns) / 1000;
large = line_count * line_size;
entries = DIV_ROUND_UP(min(small, large), display->cacheline_size);
*display_wm = entries + display->guard_size;
/*
* Spec says:
* FBC WM = ((Final Primary WM * 64) / number of bytes per line) + 2
*/
*fbc_wm = DIV_ROUND_UP(*display_wm * 64, line_size) + 2;
/* calculate the self-refresh watermark for display cursor */
entries = line_count * pixel_size * 64;
entries = DIV_ROUND_UP(entries, cursor->cacheline_size);
*cursor_wm = entries + cursor->guard_size;
return ironlake_check_srwm(dev, level,
*fbc_wm, *display_wm, *cursor_wm,
display, cursor);
}
static void ironlake_update_wm(struct drm_device *dev,
int planea_clock, int planeb_clock,
int sr_hdisplay, int sr_htotal,
int hdisplay, int htotal,
int pixel_size)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int plane_wm, cursor_wm, enabled;
int tmp;
int fbc_wm, plane_wm, cursor_wm, enabled;
int clock;
enabled = 0;
if (ironlake_compute_wm0(dev, 0,
@ -3498,152 +3600,49 @@ static void ironlake_update_wm(struct drm_device *dev,
* Calculate and update the self-refresh watermark only when one
* display plane is used.
*/
tmp = 0;
if (enabled == 1) {
unsigned long line_time_us;
int small, large, plane_fbc;
int sr_clock, entries;
int line_count, line_size;
/* Read the self-refresh latency. The unit is 0.5us */
int ilk_sr_latency = I915_READ(MLTR_ILK) & ILK_SRLT_MASK;
I915_WRITE(WM3_LP_ILK, 0);
I915_WRITE(WM2_LP_ILK, 0);
I915_WRITE(WM1_LP_ILK, 0);
sr_clock = planea_clock ? planea_clock : planeb_clock;
line_time_us = (sr_htotal * 1000) / sr_clock;
if (enabled != 1)
return;
/* Use ns/us then divide to preserve precision */
line_count = ((ilk_sr_latency * 500) / line_time_us + 1000)
/ 1000;
line_size = sr_hdisplay * pixel_size;
clock = planea_clock ? planea_clock : planeb_clock;
/* Use the minimum of the small and large buffer method for primary */
small = ((sr_clock * pixel_size / 1000) * (ilk_sr_latency * 500)) / 1000;
large = line_count * line_size;
/* WM1 */
if (!ironlake_compute_srwm(dev, 1, hdisplay, htotal, pixel_size,
clock, ILK_READ_WM1_LATENCY() * 500,
&ironlake_display_srwm_info,
&ironlake_cursor_srwm_info,
&fbc_wm, &plane_wm, &cursor_wm))
return;
entries = DIV_ROUND_UP(min(small, large),
ironlake_display_srwm_info.cacheline_size);
I915_WRITE(WM1_LP_ILK,
WM1_LP_SR_EN |
(ILK_READ_WM1_LATENCY() << WM1_LP_LATENCY_SHIFT) |
(fbc_wm << WM1_LP_FBC_SHIFT) |
(plane_wm << WM1_LP_SR_SHIFT) |
cursor_wm);
plane_fbc = entries * 64;
plane_fbc = DIV_ROUND_UP(plane_fbc, line_size);
/* WM2 */
if (!ironlake_compute_srwm(dev, 2, hdisplay, htotal, pixel_size,
clock, ILK_READ_WM2_LATENCY() * 500,
&ironlake_display_srwm_info,
&ironlake_cursor_srwm_info,
&fbc_wm, &plane_wm, &cursor_wm))
return;
plane_wm = entries + ironlake_display_srwm_info.guard_size;
if (plane_wm > (int)ironlake_display_srwm_info.max_wm)
plane_wm = ironlake_display_srwm_info.max_wm;
/* calculate the self-refresh watermark for display cursor */
entries = line_count * pixel_size * 64;
entries = DIV_ROUND_UP(entries,
ironlake_cursor_srwm_info.cacheline_size);
cursor_wm = entries + ironlake_cursor_srwm_info.guard_size;
if (cursor_wm > (int)ironlake_cursor_srwm_info.max_wm)
cursor_wm = ironlake_cursor_srwm_info.max_wm;
/* configure watermark and enable self-refresh */
tmp = (WM1_LP_SR_EN |
(ilk_sr_latency << WM1_LP_LATENCY_SHIFT) |
(plane_fbc << WM1_LP_FBC_SHIFT) |
(plane_wm << WM1_LP_SR_SHIFT) |
cursor_wm);
DRM_DEBUG_KMS("self-refresh watermark: display plane %d, fbc lines %d,"
" cursor %d\n", plane_wm, plane_fbc, cursor_wm);
}
I915_WRITE(WM1_LP_ILK, tmp);
/* XXX setup WM2 and WM3 */
}
/*
* Check the wm result.
*
* If any calculated watermark values is larger than the maximum value that
* can be programmed into the associated watermark register, that watermark
* must be disabled.
*
* Also return true if all of those watermark values is 0, which is set by
* sandybridge_compute_srwm, to indicate the latency is ZERO.
*/
static bool sandybridge_check_srwm(struct drm_device *dev, int level,
int fbc_wm, int display_wm, int cursor_wm)
{
struct drm_i915_private *dev_priv = dev->dev_private;
DRM_DEBUG_KMS("watermark %d: display plane %d, fbc lines %d,"
" cursor %d\n", level, display_wm, fbc_wm, cursor_wm);
if (fbc_wm > SNB_FBC_MAX_SRWM) {
DRM_DEBUG_KMS("fbc watermark(%d) is too large(%d), disabling wm%d+\n",
fbc_wm, SNB_FBC_MAX_SRWM, level);
/* fbc has it's own way to disable FBC WM */
I915_WRITE(DISP_ARB_CTL,
I915_READ(DISP_ARB_CTL) | DISP_FBC_WM_DIS);
return false;
}
if (display_wm > SNB_DISPLAY_MAX_SRWM) {
DRM_DEBUG_KMS("display watermark(%d) is too large(%d), disabling wm%d+\n",
display_wm, SNB_DISPLAY_MAX_SRWM, level);
return false;
}
if (cursor_wm > SNB_CURSOR_MAX_SRWM) {
DRM_DEBUG_KMS("cursor watermark(%d) is too large(%d), disabling wm%d+\n",
cursor_wm, SNB_CURSOR_MAX_SRWM, level);
return false;
}
if (!(fbc_wm || display_wm || cursor_wm)) {
DRM_DEBUG_KMS("latency %d is 0, disabling wm%d+\n", level, level);
return false;
}
return true;
}
/*
* Compute watermark values of WM[1-3],
*/
static bool sandybridge_compute_srwm(struct drm_device *dev, int level,
int hdisplay, int htotal, int pixel_size,
int clock, int latency_ns, int *fbc_wm,
int *display_wm, int *cursor_wm)
{
unsigned long line_time_us;
int small, large;
int entries;
int line_count, line_size;
if (!latency_ns) {
*fbc_wm = *display_wm = *cursor_wm = 0;
return false;
}
line_time_us = (htotal * 1000) / clock;
line_count = (latency_ns / line_time_us + 1000) / 1000;
line_size = hdisplay * pixel_size;
/* Use the minimum of the small and large buffer method for primary */
small = ((clock * pixel_size / 1000) * latency_ns) / 1000;
large = line_count * line_size;
entries = DIV_ROUND_UP(min(small, large),
sandybridge_display_srwm_info.cacheline_size);
*display_wm = entries + sandybridge_display_srwm_info.guard_size;
I915_WRITE(WM2_LP_ILK,
WM2_LP_EN |
(ILK_READ_WM2_LATENCY() << WM1_LP_LATENCY_SHIFT) |
(fbc_wm << WM1_LP_FBC_SHIFT) |
(plane_wm << WM1_LP_SR_SHIFT) |
cursor_wm);
/*
* Spec said:
* FBC WM = ((Final Primary WM * 64) / number of bytes per line) + 2
* WM3 is unsupported on ILK, probably because we don't have latency
* data for that power state
*/
*fbc_wm = DIV_ROUND_UP(*display_wm * 64, line_size) + 2;
/* calculate the self-refresh watermark for display cursor */
entries = line_count * pixel_size * 64;
entries = DIV_ROUND_UP(entries,
sandybridge_cursor_srwm_info.cacheline_size);
*cursor_wm = entries + sandybridge_cursor_srwm_info.guard_size;
return sandybridge_check_srwm(dev, level,
*fbc_wm, *display_wm, *cursor_wm);
}
static void sandybridge_update_wm(struct drm_device *dev,
@ -3652,7 +3651,7 @@ static void sandybridge_update_wm(struct drm_device *dev,
int pixel_size)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int latency = SNB_READ_WM0_LATENCY();
int latency = SNB_READ_WM0_LATENCY() * 100; /* In unit 0.1us */
int fbc_wm, plane_wm, cursor_wm, enabled;
int clock;
@ -3701,9 +3700,11 @@ static void sandybridge_update_wm(struct drm_device *dev,
clock = planea_clock ? planea_clock : planeb_clock;
/* WM1 */
if (!sandybridge_compute_srwm(dev, 1, hdisplay, htotal, pixel_size,
clock, SNB_READ_WM1_LATENCY() * 500,
&fbc_wm, &plane_wm, &cursor_wm))
if (!ironlake_compute_srwm(dev, 1, hdisplay, htotal, pixel_size,
clock, SNB_READ_WM1_LATENCY() * 500,
&sandybridge_display_srwm_info,
&sandybridge_cursor_srwm_info,
&fbc_wm, &plane_wm, &cursor_wm))
return;
I915_WRITE(WM1_LP_ILK,
@ -3714,10 +3715,12 @@ static void sandybridge_update_wm(struct drm_device *dev,
cursor_wm);
/* WM2 */
if (!sandybridge_compute_srwm(dev, 2,
hdisplay, htotal, pixel_size,
clock, SNB_READ_WM2_LATENCY() * 500,
&fbc_wm, &plane_wm, &cursor_wm))
if (!ironlake_compute_srwm(dev, 2,
hdisplay, htotal, pixel_size,
clock, SNB_READ_WM2_LATENCY() * 500,
&sandybridge_display_srwm_info,
&sandybridge_cursor_srwm_info,
&fbc_wm, &plane_wm, &cursor_wm))
return;
I915_WRITE(WM2_LP_ILK,
@ -3728,10 +3731,12 @@ static void sandybridge_update_wm(struct drm_device *dev,
cursor_wm);
/* WM3 */
if (!sandybridge_compute_srwm(dev, 3,
hdisplay, htotal, pixel_size,
clock, SNB_READ_WM3_LATENCY() * 500,
&fbc_wm, &plane_wm, &cursor_wm))
if (!ironlake_compute_srwm(dev, 3,
hdisplay, htotal, pixel_size,
clock, SNB_READ_WM3_LATENCY() * 500,
&sandybridge_display_srwm_info,
&sandybridge_cursor_srwm_info,
&fbc_wm, &plane_wm, &cursor_wm))
return;
I915_WRITE(WM3_LP_ILK,
@ -3951,7 +3956,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
int lane = 0, link_bw, bpp;
/* CPU eDP doesn't require FDI link, so just set DP M/N
according to current link config */
if (has_edp_encoder && !intel_encoder_is_pch_edp(&encoder->base)) {
if (has_edp_encoder && !intel_encoder_is_pch_edp(&has_edp_encoder->base)) {
target_clock = mode->clock;
intel_edp_link_config(has_edp_encoder,
&lane, &link_bw);
@ -5038,8 +5043,8 @@ static void intel_increase_pllclock(struct drm_crtc *crtc)
drm_i915_private_t *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
int dpll = I915_READ(dpll_reg);
int dpll_reg = DPLL(pipe);
int dpll;
if (HAS_PCH_SPLIT(dev))
return;
@ -5047,17 +5052,19 @@ static void intel_increase_pllclock(struct drm_crtc *crtc)
if (!dev_priv->lvds_downclock_avail)
return;
dpll = I915_READ(dpll_reg);
if (!HAS_PIPE_CXSR(dev) && (dpll & DISPLAY_RATE_SELECT_FPA1)) {
DRM_DEBUG_DRIVER("upclocking LVDS\n");
/* Unlock panel regs */
I915_WRITE(PP_CONTROL, I915_READ(PP_CONTROL) |
PANEL_UNLOCK_REGS);
I915_WRITE(PP_CONTROL,
I915_READ(PP_CONTROL) | PANEL_UNLOCK_REGS);
dpll &= ~DISPLAY_RATE_SELECT_FPA1;
I915_WRITE(dpll_reg, dpll);
dpll = I915_READ(dpll_reg);
POSTING_READ(dpll_reg);
intel_wait_for_vblank(dev, pipe);
dpll = I915_READ(dpll_reg);
if (dpll & DISPLAY_RATE_SELECT_FPA1)
DRM_DEBUG_DRIVER("failed to upclock LVDS!\n");
@ -5802,6 +5809,8 @@ static void intel_setup_outputs(struct drm_device *dev)
encoder->base.possible_clones =
intel_encoder_clones(dev, encoder->clone_mask);
}
intel_panel_setup_backlight(dev);
}
static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb)
@ -6145,6 +6154,10 @@ void intel_init_emon(struct drm_device *dev)
void gen6_enable_rps(struct drm_i915_private *dev_priv)
{
u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
u32 gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS);
u32 pcu_mbox;
int cur_freq, min_freq, max_freq;
int i;
/* Here begins a magic sequence of register writes to enable
@ -6216,6 +6229,29 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv)
500))
DRM_ERROR("timeout waiting for pcode mailbox to finish\n");
min_freq = (rp_state_cap & 0xff0000) >> 16;
max_freq = rp_state_cap & 0xff;
cur_freq = (gt_perf_status & 0xff00) >> 8;
/* Check for overclock support */
if (wait_for((I915_READ(GEN6_PCODE_MAILBOX) & GEN6_PCODE_READY) == 0,
500))
DRM_ERROR("timeout waiting for pcode mailbox to become idle\n");
I915_WRITE(GEN6_PCODE_MAILBOX, GEN6_READ_OC_PARAMS);
pcu_mbox = I915_READ(GEN6_PCODE_DATA);
if (wait_for((I915_READ(GEN6_PCODE_MAILBOX) & GEN6_PCODE_READY) == 0,
500))
DRM_ERROR("timeout waiting for pcode mailbox to finish\n");
if (pcu_mbox & (1<<31)) { /* OC supported */
max_freq = pcu_mbox & 0xff;
DRM_DEBUG_DRIVER("overclocking supported, adjusting frequency max to %dMHz\n", pcu_mbox * 100);
}
/* In units of 100MHz */
dev_priv->max_delay = max_freq;
dev_priv->min_delay = min_freq;
dev_priv->cur_delay = cur_freq;
/* requires MSI enabled */
I915_WRITE(GEN6_PMIER,
GEN6_PM_MBOX_EVENT |
@ -6386,42 +6422,6 @@ void intel_enable_clock_gating(struct drm_device *dev)
} else if (IS_I830(dev)) {
I915_WRITE(DSPCLK_GATE_D, OVRUNIT_CLOCK_GATE_DISABLE);
}
/*
* GPU can automatically power down the render unit if given a page
* to save state.
*/
if (IS_IRONLAKE_M(dev) && 0) { /* XXX causes a failure during suspend */
if (dev_priv->renderctx == NULL)
dev_priv->renderctx = intel_alloc_context_page(dev);
if (dev_priv->renderctx) {
struct drm_i915_gem_object *obj = dev_priv->renderctx;
if (BEGIN_LP_RING(4) == 0) {
OUT_RING(MI_SET_CONTEXT);
OUT_RING(obj->gtt_offset |
MI_MM_SPACE_GTT |
MI_SAVE_EXT_STATE_EN |
MI_RESTORE_EXT_STATE_EN |
MI_RESTORE_INHIBIT);
OUT_RING(MI_NOOP);
OUT_RING(MI_FLUSH);
ADVANCE_LP_RING();
}
} else
DRM_DEBUG_KMS("Failed to allocate render context."
"Disable RC6\n");
}
if (IS_GEN4(dev) && IS_MOBILE(dev)) {
if (dev_priv->pwrctx == NULL)
dev_priv->pwrctx = intel_alloc_context_page(dev);
if (dev_priv->pwrctx) {
struct drm_i915_gem_object *obj = dev_priv->pwrctx;
I915_WRITE(PWRCTXA, obj->gtt_offset | PWRCTX_EN);
I915_WRITE(MCHBAR_RENDER_STANDBY,
I915_READ(MCHBAR_RENDER_STANDBY) & ~RCX_SW_EXIT);
}
}
}
void intel_disable_clock_gating(struct drm_device *dev)
@ -6451,6 +6451,57 @@ void intel_disable_clock_gating(struct drm_device *dev)
}
}
static void ironlake_disable_rc6(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
/* Wake the GPU, prevent RC6, then restore RSTDBYCTL */
I915_WRITE(RSTDBYCTL, I915_READ(RSTDBYCTL) | RCX_SW_EXIT);
wait_for(((I915_READ(RSTDBYCTL) & RSX_STATUS_MASK) == RSX_STATUS_ON),
10);
POSTING_READ(CCID);
I915_WRITE(PWRCTXA, 0);
POSTING_READ(PWRCTXA);
I915_WRITE(RSTDBYCTL, I915_READ(RSTDBYCTL) & ~RCX_SW_EXIT);
POSTING_READ(RSTDBYCTL);
i915_gem_object_unpin(dev_priv->renderctx);
drm_gem_object_unreference(&dev_priv->renderctx->base);
dev_priv->renderctx = NULL;
i915_gem_object_unpin(dev_priv->pwrctx);
drm_gem_object_unreference(&dev_priv->pwrctx->base);
dev_priv->pwrctx = NULL;
}
void ironlake_enable_rc6(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
/*
* GPU can automatically power down the render unit if given a page
* to save state.
*/
ret = BEGIN_LP_RING(6);
if (ret) {
ironlake_disable_rc6(dev);
return;
}
OUT_RING(MI_SUSPEND_FLUSH | MI_SUSPEND_FLUSH_EN);
OUT_RING(MI_SET_CONTEXT);
OUT_RING(dev_priv->renderctx->gtt_offset |
MI_MM_SPACE_GTT |
MI_SAVE_EXT_STATE_EN |
MI_RESTORE_EXT_STATE_EN |
MI_RESTORE_INHIBIT);
OUT_RING(MI_SUSPEND_FLUSH);
OUT_RING(MI_NOOP);
OUT_RING(MI_FLUSH);
ADVANCE_LP_RING();
I915_WRITE(PWRCTXA, dev_priv->pwrctx->gtt_offset | PWRCTX_EN);
I915_WRITE(RSTDBYCTL, I915_READ(RSTDBYCTL) & ~RCX_SW_EXIT);
}
/* Set up chip specific display functions */
static void intel_init_display(struct drm_device *dev)
{
@ -6665,12 +6716,7 @@ void intel_modeset_init(struct drm_device *dev)
dev->mode_config.max_width = 8192;
dev->mode_config.max_height = 8192;
}
/* set memory base */
if (IS_GEN2(dev))
dev->mode_config.fb_base = pci_resource_start(dev->pdev, 0);
else
dev->mode_config.fb_base = pci_resource_start(dev->pdev, 2);
dev->mode_config.fb_base = dev->agp->base;
if (IS_MOBILE(dev) || !IS_GEN2(dev))
dev_priv->num_pipe = 2;
@ -6698,6 +6744,21 @@ void intel_modeset_init(struct drm_device *dev)
if (IS_GEN6(dev))
gen6_enable_rps(dev_priv);
if (IS_IRONLAKE_M(dev)) {
dev_priv->renderctx = intel_alloc_context_page(dev);
if (!dev_priv->renderctx)
goto skip_rc6;
dev_priv->pwrctx = intel_alloc_context_page(dev);
if (!dev_priv->pwrctx) {
i915_gem_object_unpin(dev_priv->renderctx);
drm_gem_object_unreference(&dev_priv->renderctx->base);
dev_priv->renderctx = NULL;
goto skip_rc6;
}
ironlake_enable_rc6(dev);
}
skip_rc6:
INIT_WORK(&dev_priv->idle_work, intel_idle_update);
setup_timer(&dev_priv->idle_timer, intel_gpu_idle_timer,
(unsigned long)dev);
@ -6734,7 +6795,8 @@ void intel_modeset_cleanup(struct drm_device *dev)
if (IS_GEN6(dev))
gen6_disable_rps(dev);
intel_disable_clock_gating(dev);
if (IS_IRONLAKE_M(dev))
ironlake_disable_rc6(dev);
mutex_unlock(&dev->struct_mutex);

50
drivers/gpu/drm/i915/intel_dp.c
View File

@ -1153,18 +1153,27 @@ intel_dp_signal_levels(uint8_t train_set, int lane_count)
static uint32_t
intel_gen6_edp_signal_levels(uint8_t train_set)
{
switch (train_set & (DP_TRAIN_VOLTAGE_SWING_MASK|DP_TRAIN_PRE_EMPHASIS_MASK)) {
int signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK |
DP_TRAIN_PRE_EMPHASIS_MASK);
switch (signal_levels) {
case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_0:
return EDP_LINK_TRAIN_400MV_0DB_SNB_B;
case DP_TRAIN_VOLTAGE_SWING_600 | DP_TRAIN_PRE_EMPHASIS_0:
return EDP_LINK_TRAIN_400_600MV_0DB_SNB_B;
case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_3_5:
return EDP_LINK_TRAIN_400MV_3_5DB_SNB_B;
case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_6:
return EDP_LINK_TRAIN_400MV_6DB_SNB_B;
case DP_TRAIN_VOLTAGE_SWING_600 | DP_TRAIN_PRE_EMPHASIS_6:
return EDP_LINK_TRAIN_400_600MV_6DB_SNB_B;
case DP_TRAIN_VOLTAGE_SWING_600 | DP_TRAIN_PRE_EMPHASIS_3_5:
return EDP_LINK_TRAIN_600MV_3_5DB_SNB_B;
case DP_TRAIN_VOLTAGE_SWING_800 | DP_TRAIN_PRE_EMPHASIS_3_5:
return EDP_LINK_TRAIN_600_800MV_3_5DB_SNB_B;
case DP_TRAIN_VOLTAGE_SWING_800 | DP_TRAIN_PRE_EMPHASIS_0:
return EDP_LINK_TRAIN_800MV_0DB_SNB_B;
case DP_TRAIN_VOLTAGE_SWING_1200 | DP_TRAIN_PRE_EMPHASIS_0:
return EDP_LINK_TRAIN_800_1200MV_0DB_SNB_B;
default:
DRM_DEBUG_KMS("Unsupported voltage swing/pre-emphasis level\n");
return EDP_LINK_TRAIN_400MV_0DB_SNB_B;
DRM_DEBUG_KMS("Unsupported voltage swing/pre-emphasis level:"
"0x%x\n", signal_levels);
return EDP_LINK_TRAIN_400_600MV_0DB_SNB_B;
}
}
@ -1334,17 +1343,24 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
struct drm_device *dev = intel_dp->base.base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
bool channel_eq = false;
int tries;
int tries, cr_tries;
u32 reg;
uint32_t DP = intel_dp->DP;
/* channel equalization */
tries = 0;
cr_tries = 0;
channel_eq = false;
for (;;) {
/* Use intel_dp->train_set[0] to set the voltage and pre emphasis values */
uint32_t signal_levels;
if (cr_tries > 5) {
DRM_ERROR("failed to train DP, aborting\n");
intel_dp_link_down(intel_dp);
break;
}
if (IS_GEN6(dev) && is_edp(intel_dp)) {
signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
@ -1367,14 +1383,26 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
if (!intel_dp_get_link_status(intel_dp))
break;
/* Make sure clock is still ok */
if (!intel_clock_recovery_ok(intel_dp->link_status, intel_dp->lane_count)) {
intel_dp_start_link_train(intel_dp);
cr_tries++;
continue;
}
if (intel_channel_eq_ok(intel_dp)) {
channel_eq = true;
break;
}
/* Try 5 times */
if (tries > 5)
break;
/* Try 5 times, then try clock recovery if that fails */
if (tries > 5) {
intel_dp_link_down(intel_dp);
intel_dp_start_link_train(intel_dp);
tries = 0;
cr_tries++;
continue;
}
/* Compute new intel_dp->train_set as requested by target */
intel_get_adjust_train(intel_dp);

3
drivers/gpu/drm/i915/intel_drv.h
View File

@ -257,6 +257,9 @@ extern void intel_pch_panel_fitting(struct drm_device *dev,
extern u32 intel_panel_get_max_backlight(struct drm_device *dev);
extern u32 intel_panel_get_backlight(struct drm_device *dev);
extern void intel_panel_set_backlight(struct drm_device *dev, u32 level);
extern void intel_panel_setup_backlight(struct drm_device *dev);
extern void intel_panel_enable_backlight(struct drm_device *dev);
extern void intel_panel_disable_backlight(struct drm_device *dev);
extern void intel_crtc_load_lut(struct drm_crtc *crtc);
extern void intel_encoder_prepare (struct drm_encoder *encoder);

20
drivers/gpu/drm/i915/intel_fb.c
View File

@ -62,6 +62,7 @@ static int intelfb_create(struct intel_fbdev *ifbdev,
struct drm_fb_helper_surface_size *sizes)
{
struct drm_device *dev = ifbdev->helper.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct fb_info *info;
struct drm_framebuffer *fb;
struct drm_mode_fb_cmd mode_cmd;
@ -77,7 +78,7 @@ static int intelfb_create(struct intel_fbdev *ifbdev,
mode_cmd.height = sizes->surface_height;
mode_cmd.bpp = sizes->surface_bpp;
mode_cmd.pitch = ALIGN(mode_cmd.width * ((mode_cmd.bpp + 1) / 8), 64);
mode_cmd.pitch = ALIGN(mode_cmd.width * ((mode_cmd.bpp + 7) / 8), 64);
mode_cmd.depth = sizes->surface_depth;
size = mode_cmd.pitch * mode_cmd.height;
@ -120,6 +121,11 @@ static int intelfb_create(struct intel_fbdev *ifbdev,
info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT;
info->fbops = &intelfb_ops;
ret = fb_alloc_cmap(&info->cmap, 256, 0);
if (ret) {
ret = -ENOMEM;
goto out_unpin;
}
/* setup aperture base/size for vesafb takeover */
info->apertures = alloc_apertures(1);
if (!info->apertures) {
@ -127,10 +133,8 @@ static int intelfb_create(struct intel_fbdev *ifbdev,
goto out_unpin;
}
info->apertures->ranges[0].base = dev->mode_config.fb_base;
if (!IS_GEN2(dev))
info->apertures->ranges[0].size = pci_resource_len(dev->pdev, 2);
else
info->apertures->ranges[0].size = pci_resource_len(dev->pdev, 0);
info->apertures->ranges[0].size =
dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT;
info->fix.smem_start = dev->mode_config.fb_base + obj->gtt_offset;
info->fix.smem_len = size;
@ -140,12 +144,6 @@ static int intelfb_create(struct intel_fbdev *ifbdev,
ret = -ENOSPC;
goto out_unpin;
}
ret = fb_alloc_cmap(&info->cmap, 256, 0);
if (ret) {
ret = -ENOMEM;
goto out_unpin;
}
info->screen_size = size;
// memset(info->screen_base, 0, size);

14
drivers/gpu/drm/i915/intel_lvds.c
View File

@ -106,7 +106,7 @@ static void intel_lvds_enable(struct intel_lvds *intel_lvds)
I915_WRITE(ctl_reg, I915_READ(ctl_reg) | POWER_TARGET_ON);
POSTING_READ(lvds_reg);
intel_panel_set_backlight(dev, dev_priv->backlight_level);
intel_panel_enable_backlight(dev);
}
static void intel_lvds_disable(struct intel_lvds *intel_lvds)
@ -123,8 +123,7 @@ static void intel_lvds_disable(struct intel_lvds *intel_lvds)
lvds_reg = LVDS;
}
dev_priv->backlight_level = intel_panel_get_backlight(dev);
intel_panel_set_backlight(dev, 0);
intel_panel_disable_backlight(dev);
I915_WRITE(ctl_reg, I915_READ(ctl_reg) & ~POWER_TARGET_ON);
@ -375,6 +374,10 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
}
out:
if ((pfit_control & PFIT_ENABLE) == 0) {
pfit_control = 0;
pfit_pgm_ratios = 0;
}
if (pfit_control != intel_lvds->pfit_control ||
pfit_pgm_ratios != intel_lvds->pfit_pgm_ratios) {
intel_lvds->pfit_control = pfit_control;
@ -398,8 +401,6 @@ static void intel_lvds_prepare(struct drm_encoder *encoder)
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_lvds *intel_lvds = to_intel_lvds(encoder);
dev_priv->backlight_level = intel_panel_get_backlight(dev);
/* We try to do the minimum that is necessary in order to unlock
* the registers for mode setting.
*
@ -430,9 +431,6 @@ static void intel_lvds_commit(struct drm_encoder *encoder)
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_lvds *intel_lvds = to_intel_lvds(encoder);
if (dev_priv->backlight_level == 0)
dev_priv->backlight_level = intel_panel_get_max_backlight(dev);
/* Undo any unlocking done in prepare to prevent accidental
* adjustment of the registers.
*/

31
drivers/gpu/drm/i915/intel_panel.c
View File

@ -250,3 +250,34 @@ void intel_panel_set_backlight(struct drm_device *dev, u32 level)
tmp &= ~BACKLIGHT_DUTY_CYCLE_MASK;
I915_WRITE(BLC_PWM_CTL, tmp | level);
}
void intel_panel_disable_backlight(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
if (dev_priv->backlight_enabled) {
dev_priv->backlight_level = intel_panel_get_backlight(dev);
dev_priv->backlight_enabled = false;
}
intel_panel_set_backlight(dev, 0);
}
void intel_panel_enable_backlight(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
if (dev_priv->backlight_level == 0)
dev_priv->backlight_level = intel_panel_get_max_backlight(dev);
intel_panel_set_backlight(dev, dev_priv->backlight_level);
dev_priv->backlight_enabled = true;
}
void intel_panel_setup_backlight(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
dev_priv->backlight_level = intel_panel_get_max_backlight(dev);
dev_priv->backlight_enabled = dev_priv->backlight_level != 0;
}

261
drivers/gpu/drm/i915/intel_ringbuffer.c
View File

@ -48,7 +48,7 @@ static u32 i915_gem_get_seqno(struct drm_device *dev)
return seqno;
}
static void
static int
render_ring_flush(struct intel_ring_buffer *ring,
u32 invalidate_domains,
u32 flush_domains)
@ -56,6 +56,7 @@ render_ring_flush(struct intel_ring_buffer *ring,
struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
u32 cmd;
int ret;
#if WATCH_EXEC
DRM_INFO("%s: invalidate %08x flush %08x\n", __func__,
@ -116,12 +117,16 @@ render_ring_flush(struct intel_ring_buffer *ring,
#if WATCH_EXEC
DRM_INFO("%s: queue flush %08x to ring\n", __func__, cmd);
#endif
if (intel_ring_begin(ring, 2) == 0) {
intel_ring_emit(ring, cmd);
intel_ring_emit(ring, MI_NOOP);
intel_ring_advance(ring);
}
ret = intel_ring_begin(ring, 2);
if (ret)
return ret;
intel_ring_emit(ring, cmd);
intel_ring_emit(ring, MI_NOOP);
intel_ring_advance(ring);
}
return 0;
}
static void ring_write_tail(struct intel_ring_buffer *ring,
@ -480,26 +485,56 @@ pc_render_get_seqno(struct intel_ring_buffer *ring)
return pc->cpu_page[0];
}
static void
ironlake_enable_irq(drm_i915_private_t *dev_priv, u32 mask)
{
dev_priv->gt_irq_mask &= ~mask;
I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
POSTING_READ(GTIMR);
}
static void
ironlake_disable_irq(drm_i915_private_t *dev_priv, u32 mask)
{
dev_priv->gt_irq_mask |= mask;
I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
POSTING_READ(GTIMR);
}
static void
i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask)
{
dev_priv->irq_mask &= ~mask;
I915_WRITE(IMR, dev_priv->irq_mask);
POSTING_READ(IMR);
}
static void
i915_disable_irq(drm_i915_private_t *dev_priv, u32 mask)
{
dev_priv->irq_mask |= mask;
I915_WRITE(IMR, dev_priv->irq_mask);
POSTING_READ(IMR);
}
static bool
render_ring_get_irq(struct intel_ring_buffer *ring)
{
struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
if (!dev->irq_enabled)
return false;
if (atomic_inc_return(&ring->irq_refcount) == 1) {
drm_i915_private_t *dev_priv = dev->dev_private;
unsigned long irqflags;
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
spin_lock(&ring->irq_lock);
if (ring->irq_refcount++ == 0) {
if (HAS_PCH_SPLIT(dev))
ironlake_enable_graphics_irq(dev_priv,
GT_PIPE_NOTIFY | GT_USER_INTERRUPT);
ironlake_enable_irq(dev_priv,
GT_PIPE_NOTIFY | GT_USER_INTERRUPT);
else
i915_enable_irq(dev_priv, I915_USER_INTERRUPT);
spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
}
spin_unlock(&ring->irq_lock);
return true;
}
@ -508,20 +543,18 @@ static void
render_ring_put_irq(struct intel_ring_buffer *ring)
{
struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
if (atomic_dec_and_test(&ring->irq_refcount)) {
drm_i915_private_t *dev_priv = dev->dev_private;
unsigned long irqflags;
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
spin_lock(&ring->irq_lock);
if (--ring->irq_refcount == 0) {
if (HAS_PCH_SPLIT(dev))
ironlake_disable_graphics_irq(dev_priv,
GT_USER_INTERRUPT |
GT_PIPE_NOTIFY);
ironlake_disable_irq(dev_priv,
GT_USER_INTERRUPT |
GT_PIPE_NOTIFY);
else
i915_disable_irq(dev_priv, I915_USER_INTERRUPT);
spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
}
spin_unlock(&ring->irq_lock);
}
void intel_ring_setup_status_page(struct intel_ring_buffer *ring)
@ -534,19 +567,24 @@ void intel_ring_setup_status_page(struct intel_ring_buffer *ring)
POSTING_READ(mmio);
}
static void
static int
bsd_ring_flush(struct intel_ring_buffer *ring,
u32 invalidate_domains,
u32 flush_domains)
{
if ((flush_domains & I915_GEM_DOMAIN_RENDER) == 0)
return;
int ret;
if (intel_ring_begin(ring, 2) == 0) {
intel_ring_emit(ring, MI_FLUSH);
intel_ring_emit(ring, MI_NOOP);
intel_ring_advance(ring);
}
if ((flush_domains & I915_GEM_DOMAIN_RENDER) == 0)
return 0;
ret = intel_ring_begin(ring, 2);
if (ret)
return ret;
intel_ring_emit(ring, MI_FLUSH);
intel_ring_emit(ring, MI_NOOP);
intel_ring_advance(ring);
return 0;
}
static int
@ -577,18 +615,15 @@ static bool
ring_get_irq(struct intel_ring_buffer *ring, u32 flag)
{
struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
if (!dev->irq_enabled)
return false;
if (atomic_inc_return(&ring->irq_refcount) == 1) {
drm_i915_private_t *dev_priv = dev->dev_private;
unsigned long irqflags;
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
ironlake_enable_graphics_irq(dev_priv, flag);
spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
}
spin_lock(&ring->irq_lock);
if (ring->irq_refcount++ == 0)
ironlake_enable_irq(dev_priv, flag);
spin_unlock(&ring->irq_lock);
return true;
}
@ -597,15 +632,47 @@ static void
ring_put_irq(struct intel_ring_buffer *ring, u32 flag)
{
struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
if (atomic_dec_and_test(&ring->irq_refcount)) {
drm_i915_private_t *dev_priv = dev->dev_private;
unsigned long irqflags;
spin_lock(&ring->irq_lock);
if (--ring->irq_refcount == 0)
ironlake_disable_irq(dev_priv, flag);
spin_unlock(&ring->irq_lock);
}
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
ironlake_disable_graphics_irq(dev_priv, flag);
spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
static bool
gen6_ring_get_irq(struct intel_ring_buffer *ring, u32 gflag, u32 rflag)
{
struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
if (!dev->irq_enabled)
return false;
spin_lock(&ring->irq_lock);
if (ring->irq_refcount++ == 0) {
ring->irq_mask &= ~rflag;
I915_WRITE_IMR(ring, ring->irq_mask);
ironlake_enable_irq(dev_priv, gflag);
}
spin_unlock(&ring->irq_lock);
return true;
}
static void
gen6_ring_put_irq(struct intel_ring_buffer *ring, u32 gflag, u32 rflag)
{
struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
spin_lock(&ring->irq_lock);
if (--ring->irq_refcount == 0) {
ring->irq_mask |= rflag;
I915_WRITE_IMR(ring, ring->irq_mask);
ironlake_disable_irq(dev_priv, gflag);
}
spin_unlock(&ring->irq_lock);
}
static bool
@ -748,6 +815,9 @@ int intel_init_ring_buffer(struct drm_device *dev,
INIT_LIST_HEAD(&ring->request_list);
INIT_LIST_HEAD(&ring->gpu_write_list);
spin_lock_init(&ring->irq_lock);
ring->irq_mask = ~0;
if (I915_NEED_GFX_HWS(dev)) {
ret = init_status_page(ring);
if (ret)
@ -785,6 +855,14 @@ int intel_init_ring_buffer(struct drm_device *dev,
if (ret)
goto err_unmap;
/* Workaround an erratum on the i830 which causes a hang if
* the TAIL pointer points to within the last 2 cachelines
* of the buffer.
*/
ring->effective_size = ring->size;
if (IS_I830(ring->dev))
ring->effective_size -= 128;
return 0;
err_unmap:
@ -827,8 +905,7 @@ void intel_cleanup_ring_buffer(struct intel_ring_buffer *ring)
static int intel_wrap_ring_buffer(struct intel_ring_buffer *ring)
{
unsigned int *virt;
int rem;
rem = ring->size - ring->tail;
int rem = ring->size - ring->tail;
if (ring->space < rem) {
int ret = intel_wait_ring_buffer(ring, rem);
@ -895,7 +972,7 @@ int intel_ring_begin(struct intel_ring_buffer *ring,
int n = 4*num_dwords;
int ret;
if (unlikely(ring->tail + n > ring->size)) {
if (unlikely(ring->tail + n > ring->effective_size)) {
ret = intel_wrap_ring_buffer(ring);
if (unlikely(ret))
return ret;
@ -973,20 +1050,25 @@ static void gen6_bsd_ring_write_tail(struct intel_ring_buffer *ring,
GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_ENABLE);
}
static void gen6_ring_flush(struct intel_ring_buffer *ring,
u32 invalidate_domains,
u32 flush_domains)
static int gen6_ring_flush(struct intel_ring_buffer *ring,
u32 invalidate_domains,
u32 flush_domains)
{
if ((flush_domains & I915_GEM_DOMAIN_RENDER) == 0)
return;
int ret;
if (intel_ring_begin(ring, 4) == 0) {
intel_ring_emit(ring, MI_FLUSH_DW);
intel_ring_emit(ring, 0);
intel_ring_emit(ring, 0);
intel_ring_emit(ring, 0);
intel_ring_advance(ring);
}
if ((flush_domains & I915_GEM_DOMAIN_RENDER) == 0)
return 0;
ret = intel_ring_begin(ring, 4);
if (ret)
return ret;
intel_ring_emit(ring, MI_FLUSH_DW);
intel_ring_emit(ring, 0);
intel_ring_emit(ring, 0);
intel_ring_emit(ring, 0);
intel_ring_advance(ring);
return 0;
}
static int
@ -1007,16 +1089,36 @@ gen6_ring_dispatch_execbuffer(struct intel_ring_buffer *ring,
return 0;
}
static bool
gen6_render_ring_get_irq(struct intel_ring_buffer *ring)
{
return gen6_ring_get_irq(ring,
GT_USER_INTERRUPT,
GEN6_RENDER_USER_INTERRUPT);
}
static void
gen6_render_ring_put_irq(struct intel_ring_buffer *ring)
{
return gen6_ring_put_irq(ring,
GT_USER_INTERRUPT,
GEN6_RENDER_USER_INTERRUPT);
}
static bool
gen6_bsd_ring_get_irq(struct intel_ring_buffer *ring)
{
return ring_get_irq(ring, GT_GEN6_BSD_USER_INTERRUPT);
return gen6_ring_get_irq(ring,
GT_GEN6_BSD_USER_INTERRUPT,
GEN6_BSD_USER_INTERRUPT);
}
static void
gen6_bsd_ring_put_irq(struct intel_ring_buffer *ring)
{
ring_put_irq(ring, GT_GEN6_BSD_USER_INTERRUPT);
return gen6_ring_put_irq(ring,
GT_GEN6_BSD_USER_INTERRUPT,
GEN6_BSD_USER_INTERRUPT);
}
/* ring buffer for Video Codec for Gen6+ */
@ -1040,13 +1142,17 @@ static const struct intel_ring_buffer gen6_bsd_ring = {
static bool
blt_ring_get_irq(struct intel_ring_buffer *ring)
{
return ring_get_irq(ring, GT_BLT_USER_INTERRUPT);
return gen6_ring_get_irq(ring,
GT_BLT_USER_INTERRUPT,
GEN6_BLITTER_USER_INTERRUPT);
}
static void
blt_ring_put_irq(struct intel_ring_buffer *ring)
{
ring_put_irq(ring, GT_BLT_USER_INTERRUPT);
gen6_ring_put_irq(ring,
GT_BLT_USER_INTERRUPT,
GEN6_BLITTER_USER_INTERRUPT);
}
@ -1115,20 +1221,25 @@ static int blt_ring_begin(struct intel_ring_buffer *ring,
return intel_ring_begin(ring, 4);
}
static void blt_ring_flush(struct intel_ring_buffer *ring,
static int blt_ring_flush(struct intel_ring_buffer *ring,
u32 invalidate_domains,
u32 flush_domains)
{
if ((flush_domains & I915_GEM_DOMAIN_RENDER) == 0)
return;
int ret;
if (blt_ring_begin(ring, 4) == 0) {
intel_ring_emit(ring, MI_FLUSH_DW);
intel_ring_emit(ring, 0);
intel_ring_emit(ring, 0);
intel_ring_emit(ring, 0);
intel_ring_advance(ring);
}
if ((flush_domains & I915_GEM_DOMAIN_RENDER) == 0)
return 0;
ret = blt_ring_begin(ring, 4);
if (ret)
return ret;
intel_ring_emit(ring, MI_FLUSH_DW);
intel_ring_emit(ring, 0);
intel_ring_emit(ring, 0);
intel_ring_emit(ring, 0);
intel_ring_advance(ring);
return 0;
}
static void blt_ring_cleanup(struct intel_ring_buffer *ring)
@ -1165,6 +1276,8 @@ int intel_init_render_ring_buffer(struct drm_device *dev)
*ring = render_ring;
if (INTEL_INFO(dev)->gen >= 6) {
ring->add_request = gen6_add_request;
ring->irq_get = gen6_render_ring_get_irq;
ring->irq_put = gen6_render_ring_put_irq;
} else if (IS_GEN5(dev)) {
ring->add_request = pc_render_add_request;
ring->get_seqno = pc_render_get_seqno;

36
drivers/gpu/drm/i915/intel_ringbuffer.h
View File

@ -16,21 +16,24 @@ struct intel_hw_status_page {
#define I915_RING_READ(reg) i915_safe_read(dev_priv, reg)
#define I915_READ_TAIL(ring) I915_RING_READ(RING_TAIL(ring->mmio_base))
#define I915_WRITE_TAIL(ring, val) I915_WRITE(RING_TAIL(ring->mmio_base), val)
#define I915_READ_TAIL(ring) I915_RING_READ(RING_TAIL((ring)->mmio_base))
#define I915_WRITE_TAIL(ring, val) I915_WRITE(RING_TAIL((ring)->mmio_base), val)
#define I915_READ_START(ring) I915_RING_READ(RING_START(ring->mmio_base))
#define I915_WRITE_START(ring, val) I915_WRITE(RING_START(ring->mmio_base), val)
#define I915_READ_START(ring) I915_RING_READ(RING_START((ring)->mmio_base))
#define I915_WRITE_START(ring, val) I915_WRITE(RING_START((ring)->mmio_base), val)
#define I915_READ_HEAD(ring) I915_RING_READ(RING_HEAD(ring->mmio_base))
#define I915_WRITE_HEAD(ring, val) I915_WRITE(RING_HEAD(ring->mmio_base), val)
#define I915_READ_HEAD(ring) I915_RING_READ(RING_HEAD((ring)->mmio_base))
#define I915_WRITE_HEAD(ring, val) I915_WRITE(RING_HEAD((ring)->mmio_base), val)
#define I915_READ_CTL(ring) I915_RING_READ(RING_CTL(ring->mmio_base))
#define I915_WRITE_CTL(ring, val) I915_WRITE(RING_CTL(ring->mmio_base), val)
#define I915_READ_CTL(ring) I915_RING_READ(RING_CTL((ring)->mmio_base))
#define I915_WRITE_CTL(ring, val) I915_WRITE(RING_CTL((ring)->mmio_base), val)
#define I915_READ_NOPID(ring) I915_RING_READ(RING_NOPID(ring->mmio_base))
#define I915_READ_SYNC_0(ring) I915_RING_READ(RING_SYNC_0(ring->mmio_base))
#define I915_READ_SYNC_1(ring) I915_RING_READ(RING_SYNC_1(ring->mmio_base))
#define I915_WRITE_IMR(ring, val) I915_WRITE(RING_IMR((ring)->mmio_base), val)
#define I915_READ_IMR(ring) I915_RING_READ(RING_IMR((ring)->mmio_base))
#define I915_READ_NOPID(ring) I915_RING_READ(RING_NOPID((ring)->mmio_base))
#define I915_READ_SYNC_0(ring) I915_RING_READ(RING_SYNC_0((ring)->mmio_base))
#define I915_READ_SYNC_1(ring) I915_RING_READ(RING_SYNC_1((ring)->mmio_base))
struct intel_ring_buffer {
const char *name;
@ -49,12 +52,15 @@ struct intel_ring_buffer {
u32 tail;
int space;
int size;
int effective_size;
struct intel_hw_status_page status_page;
spinlock_t irq_lock;
u32 irq_refcount;
u32 irq_mask;
u32 irq_seqno; /* last seq seem at irq time */
u32 waiting_seqno;
u32 sync_seqno[I915_NUM_RINGS-1];
atomic_t irq_refcount;
bool __must_check (*irq_get)(struct intel_ring_buffer *ring);
void (*irq_put)(struct intel_ring_buffer *ring);
@ -62,9 +68,9 @@ struct intel_ring_buffer {
void (*write_tail)(struct intel_ring_buffer *ring,
u32 value);
void (*flush)(struct intel_ring_buffer *ring,
u32 invalidate_domains,
u32 flush_domains);
int __must_check (*flush)(struct intel_ring_buffer *ring,
u32 invalidate_domains,
u32 flush_domains);
int (*add_request)(struct intel_ring_buffer *ring,
u32 *seqno);
u32 (*get_seqno)(struct intel_ring_buffer *ring);

33
drivers/gpu/drm/i915/intel_sdvo.c
View File

@ -1024,9 +1024,13 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
if (!intel_sdvo_set_target_input(intel_sdvo))
return;
if (intel_sdvo->has_hdmi_monitor &&
!intel_sdvo_set_avi_infoframe(intel_sdvo))
return;
if (intel_sdvo->has_hdmi_monitor) {
intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
intel_sdvo_set_colorimetry(intel_sdvo,
SDVO_COLORIMETRY_RGB256);
intel_sdvo_set_avi_infoframe(intel_sdvo);
} else
intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
if (intel_sdvo->is_tv &&
!intel_sdvo_set_tv_format(intel_sdvo))
@ -1398,6 +1402,9 @@ intel_sdvo_detect(struct drm_connector *connector, bool force)
intel_sdvo->attached_output = response;
intel_sdvo->has_hdmi_monitor = false;
intel_sdvo->has_hdmi_audio = false;
if ((intel_sdvo_connector->output_flag & response) == 0)
ret = connector_status_disconnected;
else if (response & SDVO_TMDS_MASK)
@ -1922,20 +1929,7 @@ intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
static bool
intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
{
int is_hdmi;
if (!intel_sdvo_check_supp_encode(intel_sdvo))
return false;
if (!intel_sdvo_set_target_output(intel_sdvo,
device == 0 ? SDVO_OUTPUT_TMDS0 : SDVO_OUTPUT_TMDS1))
return false;
is_hdmi = 0;
if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ENCODE, &is_hdmi, 1))
return false;
return !!is_hdmi;
return intel_sdvo_check_supp_encode(intel_sdvo);
}
static u8
@ -2037,12 +2031,7 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
connector->connector_type = DRM_MODE_CONNECTOR_DVID;
if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
/* enable hdmi encoding mode if supported */
intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
intel_sdvo_set_colorimetry(intel_sdvo,
SDVO_COLORIMETRY_RGB256);
connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
intel_sdvo->is_hdmi = true;
}
intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |