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Merge tag 'drm-fixes-for-4.8-rc4' of git://people.freedesktop.org/~airlied/linux

Browse Source 
Pull drm fixes from Dave Airlie:
 "A bunch of fixes covering i915, amdgpu, one tegra and some core DRM
  ones.  Nothing too strange at this point"

* tag 'drm-fixes-for-4.8-rc4' of git://people.freedesktop.org/~airlied/linux: (21 commits)
  drm/atomic: Don't potentially reset color_mgmt_changed on successive property updates.
  drm: Protect fb_defio in drivers with CONFIG_KMS_FBDEV_EMULATION
  drm/amdgpu: skip TV/CV in display parsing
  drm/amdgpu: avoid a possible array overflow
  drm/amdgpu: fix lru size grouping v2
  drm/tegra: dsi: Enhance runtime power management
  drm/i915: Fix botched merge that downgrades CSR versions.
  drm/i915/skl: Ensure pipes with changed wms get added to the state
  drm/i915/gen9: Only copy WM results for changed pipes to skl_hw
  drm/i915/skl: Add support for the SAGV, fix underrun hangs
  drm/i915/gen6+: Interpret mailbox error flags
  drm/i915: Reattach comment, complete type specification
  drm/i915: Unconditionally flush any chipset buffers before execbuf
  drm/i915/gen9: Drop invalid WARN() during data rate calculation
  drm/i915/gen9: Initialize intel_state->active_crtcs during WM sanitization (v2)
  drm: Reject page_flip for !DRIVER_MODESET
  drm/amdgpu: fix timeout value check in amd_sched_job_recovery
  drm/amdgpu: fix sdma_v2_4_ring_test_ib
  drm/amdgpu: fix amdgpu_move_blit on 32bit systems
  drm/radeon: fix radeon_move_blit on 32bit systems
  ...
This commit is contained in:
Linus Torvalds 2016-08-28 14:31:36 -07:00
commit 25d0d91af7
21 changed files with 425 additions and 72 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -426,6 +426,8 @@ struct amdgpu_mman {
/* custom LRU management */
struct amdgpu_mman_lru log2_size[AMDGPU_TTM_LRU_SIZE];
/* guard for log2_size array, don't add anything in between */
struct amdgpu_mman_lru guard;
};
int amdgpu_copy_buffer(struct amdgpu_ring *ring,

13
drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
View File

@ -321,6 +321,19 @@ bool amdgpu_atombios_get_connector_info_from_object_table(struct amdgpu_device *
(le16_to_cpu(path->usConnObjectId) &
OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
/* Skip TV/CV support */
if ((le16_to_cpu(path->usDeviceTag) ==
ATOM_DEVICE_TV1_SUPPORT) ||
(le16_to_cpu(path->usDeviceTag) ==
ATOM_DEVICE_CV_SUPPORT))
continue;
if (con_obj_id >= ARRAY_SIZE(object_connector_convert)) {
DRM_ERROR("invalid con_obj_id %d for device tag 0x%04x\n",
con_obj_id, le16_to_cpu(path->usDeviceTag));
continue;
}
connector_type =
object_connector_convert[con_obj_id];
connector_object_id = con_obj_id;

12
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
View File

@ -251,8 +251,8 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo,
adev = amdgpu_get_adev(bo->bdev);
ring = adev->mman.buffer_funcs_ring;
old_start = old_mem->start << PAGE_SHIFT;
new_start = new_mem->start << PAGE_SHIFT;
old_start = (u64)old_mem->start << PAGE_SHIFT;
new_start = (u64)new_mem->start << PAGE_SHIFT;
switch (old_mem->mem_type) {
case TTM_PL_VRAM:
@ -950,6 +950,8 @@ static struct list_head *amdgpu_ttm_lru_tail(struct ttm_buffer_object *tbo)
struct list_head *res = lru->lru[tbo->mem.mem_type];
lru->lru[tbo->mem.mem_type] = &tbo->lru;
while ((++lru)->lru[tbo->mem.mem_type] == res)
lru->lru[tbo->mem.mem_type] = &tbo->lru;
return res;
}
@ -960,6 +962,8 @@ static struct list_head *amdgpu_ttm_swap_lru_tail(struct ttm_buffer_object *tbo)
struct list_head *res = lru->swap_lru;
lru->swap_lru = &tbo->swap;
while ((++lru)->swap_lru == res)
lru->swap_lru = &tbo->swap;
return res;
}
@ -1011,6 +1015,10 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
lru->swap_lru = &adev->mman.bdev.glob->swap_lru;
}
for (j = 0; j < TTM_NUM_MEM_TYPES; ++j)
adev->mman.guard.lru[j] = NULL;
adev->mman.guard.swap_lru = NULL;
adev->mman.initialized = true;
r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_VRAM,
adev->mc.real_vram_size >> PAGE_SHIFT);

2
drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
View File

@ -714,7 +714,7 @@ static int sdma_v2_4_ring_test_ib(struct amdgpu_ring *ring, long timeout)
DRM_ERROR("amdgpu: IB test timed out\n");
r = -ETIMEDOUT;
goto err1;
} else if (r) {
} else if (r < 0) {
DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
goto err1;
}

2
drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
View File

@ -405,7 +405,7 @@ void amd_sched_job_recovery(struct amd_gpu_scheduler *sched)
spin_lock(&sched->job_list_lock);
s_job = list_first_entry_or_null(&sched->ring_mirror_list,
struct amd_sched_job, node);
if (s_job)
if (s_job && sched->timeout != MAX_SCHEDULE_TIMEOUT)
schedule_delayed_work(&s_job->work_tdr, sched->timeout);
list_for_each_entry_safe(s_job, tmp, &sched->ring_mirror_list, node) {

6
drivers/gpu/drm/drm_atomic.c
View File

@ -475,7 +475,7 @@ int drm_atomic_crtc_set_property(struct drm_crtc *crtc,
val,
-1,
&replaced);
state->color_mgmt_changed = replaced;
state->color_mgmt_changed |= replaced;
return ret;
} else if (property == config->ctm_property) {
ret = drm_atomic_replace_property_blob_from_id(crtc,
@ -483,7 +483,7 @@ int drm_atomic_crtc_set_property(struct drm_crtc *crtc,
val,
sizeof(struct drm_color_ctm),
&replaced);
state->color_mgmt_changed = replaced;
state->color_mgmt_changed |= replaced;
return ret;
} else if (property == config->gamma_lut_property) {
ret = drm_atomic_replace_property_blob_from_id(crtc,
@ -491,7 +491,7 @@ int drm_atomic_crtc_set_property(struct drm_crtc *crtc,
val,
-1,
&replaced);
state->color_mgmt_changed = replaced;
state->color_mgmt_changed |= replaced;
return ret;
} else if (crtc->funcs->atomic_set_property)
return crtc->funcs->atomic_set_property(crtc, state, property, val);

3
drivers/gpu/drm/drm_crtc.c
View File

@ -5404,6 +5404,9 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
struct drm_pending_vblank_event *e = NULL;
int ret = -EINVAL;
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS ||
page_flip->reserved != 0)
return -EINVAL;

13
drivers/gpu/drm/i915/i915_drv.h
View File

@ -882,11 +882,12 @@ struct i915_gem_context {
struct i915_ctx_hang_stats hang_stats;
/* Unique identifier for this context, used by the hw for tracking */
unsigned long flags;
#define CONTEXT_NO_ZEROMAP BIT(0)
#define CONTEXT_NO_ERROR_CAPTURE BIT(1)
unsigned hw_id;
/* Unique identifier for this context, used by the hw for tracking */
unsigned int hw_id;
u32 user_handle;
u32 ggtt_alignment;
@ -1963,6 +1964,13 @@ struct drm_i915_private {
struct i915_suspend_saved_registers regfile;
struct vlv_s0ix_state vlv_s0ix_state;
enum {
I915_SKL_SAGV_UNKNOWN = 0,
I915_SKL_SAGV_DISABLED,
I915_SKL_SAGV_ENABLED,
I915_SKL_SAGV_NOT_CONTROLLED
} skl_sagv_status;
struct {
/*
* Raw watermark latency values:
@ -3591,6 +3599,7 @@ int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle);
/* belongs in i915_gem_gtt.h */
static inline void i915_gem_chipset_flush(struct drm_i915_private *dev_priv)
{
wmb();
if (INTEL_GEN(dev_priv) < 6)
intel_gtt_chipset_flush();
}

13
drivers/gpu/drm/i915/i915_gem_execbuffer.c
View File

@ -943,8 +943,6 @@ i915_gem_execbuffer_move_to_gpu(struct drm_i915_gem_request *req,
{
const unsigned other_rings = ~intel_engine_flag(req->engine);
struct i915_vma *vma;
uint32_t flush_domains = 0;
bool flush_chipset = false;
int ret;
list_for_each_entry(vma, vmas, exec_list) {
@ -957,16 +955,11 @@ i915_gem_execbuffer_move_to_gpu(struct drm_i915_gem_request *req,
}
if (obj->base.write_domain & I915_GEM_DOMAIN_CPU)
flush_chipset |= i915_gem_clflush_object(obj, false);
flush_domains |= obj->base.write_domain;
i915_gem_clflush_object(obj, false);
}
if (flush_chipset)
i915_gem_chipset_flush(req->engine->i915);
if (flush_domains & I915_GEM_DOMAIN_GTT)
wmb();
/* Unconditionally flush any chipset caches (for streaming writes). */
i915_gem_chipset_flush(req->engine->i915);
/* Unconditionally invalidate gpu caches and ensure that we do flush
* any residual writes from the previous batch.

13
drivers/gpu/drm/i915/i915_reg.h
View File

@ -7145,6 +7145,15 @@ enum {
#define GEN6_PCODE_MAILBOX _MMIO(0x138124)
#define GEN6_PCODE_READY (1<<31)
#define GEN6_PCODE_ERROR_MASK 0xFF
#define GEN6_PCODE_SUCCESS 0x0
#define GEN6_PCODE_ILLEGAL_CMD 0x1
#define GEN6_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE 0x2
#define GEN6_PCODE_TIMEOUT 0x3
#define GEN6_PCODE_UNIMPLEMENTED_CMD 0xFF
#define GEN7_PCODE_TIMEOUT 0x2
#define GEN7_PCODE_ILLEGAL_DATA 0x3
#define GEN7_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE 0x10
#define GEN6_PCODE_WRITE_RC6VIDS 0x4
#define GEN6_PCODE_READ_RC6VIDS 0x5
#define GEN6_ENCODE_RC6_VID(mv) (((mv) - 245) / 5)
@ -7166,6 +7175,10 @@ enum {
#define HSW_PCODE_DE_WRITE_FREQ_REQ 0x17
#define DISPLAY_IPS_CONTROL 0x19
#define HSW_PCODE_DYNAMIC_DUTY_CYCLE_CONTROL 0x1A
#define GEN9_PCODE_SAGV_CONTROL 0x21
#define GEN9_SAGV_DISABLE 0x0
#define GEN9_SAGV_IS_DISABLED 0x1
#define GEN9_SAGV_ENABLE 0x3
#define GEN6_PCODE_DATA _MMIO(0x138128)
#define GEN6_PCODE_FREQ_IA_RATIO_SHIFT 8
#define GEN6_PCODE_FREQ_RING_RATIO_SHIFT 16

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

@ -41,15 +41,15 @@
* be moved to FW_FAILED.
*/
#define I915_CSR_KBL "i915/kbl_dmc_ver1.bin"
#define I915_CSR_KBL "i915/kbl_dmc_ver1_01.bin"
MODULE_FIRMWARE(I915_CSR_KBL);
#define KBL_CSR_VERSION_REQUIRED CSR_VERSION(1, 1)
#define I915_CSR_SKL "i915/skl_dmc_ver1.bin"
#define I915_CSR_SKL "i915/skl_dmc_ver1_26.bin"
MODULE_FIRMWARE(I915_CSR_SKL);
#define SKL_CSR_VERSION_REQUIRED CSR_VERSION(1, 23)
#define SKL_CSR_VERSION_REQUIRED CSR_VERSION(1, 26)
#define I915_CSR_BXT "i915/bxt_dmc_ver1.bin"
#define I915_CSR_BXT "i915/bxt_dmc_ver1_07.bin"
MODULE_FIRMWARE(I915_CSR_BXT);
#define BXT_CSR_VERSION_REQUIRED CSR_VERSION(1, 7)

11
drivers/gpu/drm/i915/intel_display.c
View File

@ -13759,6 +13759,13 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
intel_state->cdclk_pll_vco != dev_priv->cdclk_pll.vco))
dev_priv->display.modeset_commit_cdclk(state);
/*
* SKL workaround: bspec recommends we disable the SAGV when we
* have more then one pipe enabled
*/
if (IS_SKYLAKE(dev_priv) && !skl_can_enable_sagv(state))
skl_disable_sagv(dev_priv);
intel_modeset_verify_disabled(dev);
}
@ -13832,6 +13839,10 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
intel_modeset_verify_crtc(crtc, old_crtc_state, crtc->state);
}
if (IS_SKYLAKE(dev_priv) && intel_state->modeset &&
skl_can_enable_sagv(state))
skl_enable_sagv(dev_priv);
drm_atomic_helper_commit_hw_done(state);
if (intel_state->modeset)

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

@ -1716,6 +1716,9 @@ void ilk_wm_get_hw_state(struct drm_device *dev);
void skl_wm_get_hw_state(struct drm_device *dev);
void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv,
struct skl_ddb_allocation *ddb /* out */);
bool skl_can_enable_sagv(struct drm_atomic_state *state);
int skl_enable_sagv(struct drm_i915_private *dev_priv);
int skl_disable_sagv(struct drm_i915_private *dev_priv);
uint32_t ilk_pipe_pixel_rate(const struct intel_crtc_state *pipe_config);
bool ilk_disable_lp_wm(struct drm_device *dev);
int sanitize_rc6_option(struct drm_i915_private *dev_priv, int enable_rc6);

270
drivers/gpu/drm/i915/intel_pm.c
View File

@ -2852,6 +2852,7 @@ bool ilk_disable_lp_wm(struct drm_device *dev)
#define SKL_DDB_SIZE 896 /* in blocks */
#define BXT_DDB_SIZE 512
#define SKL_SAGV_BLOCK_TIME 30 /* µs */
/*
* Return the index of a plane in the SKL DDB and wm result arrays. Primary
@ -2875,6 +2876,153 @@ skl_wm_plane_id(const struct intel_plane *plane)
}
}
/*
* SAGV dynamically adjusts the system agent voltage and clock frequencies
* depending on power and performance requirements. The display engine access
* to system memory is blocked during the adjustment time. Because of the
* blocking time, having this enabled can cause full system hangs and/or pipe
* underruns if we don't meet all of the following requirements:
*
* - <= 1 pipe enabled
* - All planes can enable watermarks for latencies >= SAGV engine block time
* - We're not using an interlaced display configuration
*/
int
skl_enable_sagv(struct drm_i915_private *dev_priv)
{
int ret;
if (dev_priv->skl_sagv_status == I915_SKL_SAGV_NOT_CONTROLLED ||
dev_priv->skl_sagv_status == I915_SKL_SAGV_ENABLED)
return 0;
DRM_DEBUG_KMS("Enabling the SAGV\n");
mutex_lock(&dev_priv->rps.hw_lock);
ret = sandybridge_pcode_write(dev_priv, GEN9_PCODE_SAGV_CONTROL,
GEN9_SAGV_ENABLE);
/* We don't need to wait for the SAGV when enabling */
mutex_unlock(&dev_priv->rps.hw_lock);
/*
* Some skl systems, pre-release machines in particular,
* don't actually have an SAGV.
*/
if (ret == -ENXIO) {
DRM_DEBUG_DRIVER("No SAGV found on system, ignoring\n");
dev_priv->skl_sagv_status = I915_SKL_SAGV_NOT_CONTROLLED;
return 0;
} else if (ret < 0) {
DRM_ERROR("Failed to enable the SAGV\n");
return ret;
}
dev_priv->skl_sagv_status = I915_SKL_SAGV_ENABLED;
return 0;
}
static int
skl_do_sagv_disable(struct drm_i915_private *dev_priv)
{
int ret;
uint32_t temp = GEN9_SAGV_DISABLE;
ret = sandybridge_pcode_read(dev_priv, GEN9_PCODE_SAGV_CONTROL,
&temp);
if (ret)
return ret;
else
return temp & GEN9_SAGV_IS_DISABLED;
}
int
skl_disable_sagv(struct drm_i915_private *dev_priv)
{
int ret, result;
if (dev_priv->skl_sagv_status == I915_SKL_SAGV_NOT_CONTROLLED ||
dev_priv->skl_sagv_status == I915_SKL_SAGV_DISABLED)
return 0;
DRM_DEBUG_KMS("Disabling the SAGV\n");
mutex_lock(&dev_priv->rps.hw_lock);
/* bspec says to keep retrying for at least 1 ms */
ret = wait_for(result = skl_do_sagv_disable(dev_priv), 1);
mutex_unlock(&dev_priv->rps.hw_lock);
if (ret == -ETIMEDOUT) {
DRM_ERROR("Request to disable SAGV timed out\n");
return -ETIMEDOUT;
}
/*
* Some skl systems, pre-release machines in particular,
* don't actually have an SAGV.
*/
if (result == -ENXIO) {
DRM_DEBUG_DRIVER("No SAGV found on system, ignoring\n");
dev_priv->skl_sagv_status = I915_SKL_SAGV_NOT_CONTROLLED;
return 0;
} else if (result < 0) {
DRM_ERROR("Failed to disable the SAGV\n");
return result;
}
dev_priv->skl_sagv_status = I915_SKL_SAGV_DISABLED;
return 0;
}
bool skl_can_enable_sagv(struct drm_atomic_state *state)
{
struct drm_device *dev = state->dev;
struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
struct drm_crtc *crtc;
enum pipe pipe;
int level, plane;
/*
* SKL workaround: bspec recommends we disable the SAGV when we have
* more then one pipe enabled
*
* If there are no active CRTCs, no additional checks need be performed
*/
if (hweight32(intel_state->active_crtcs) == 0)
return true;
else if (hweight32(intel_state->active_crtcs) > 1)
return false;
/* Since we're now guaranteed to only have one active CRTC... */
pipe = ffs(intel_state->active_crtcs) - 1;
crtc = dev_priv->pipe_to_crtc_mapping[pipe];
if (crtc->state->mode.flags & DRM_MODE_FLAG_INTERLACE)
return false;
for_each_plane(dev_priv, pipe, plane) {
/* Skip this plane if it's not enabled */
if (intel_state->wm_results.plane[pipe][plane][0] == 0)
continue;
/* Find the highest enabled wm level for this plane */
for (level = ilk_wm_max_level(dev);
intel_state->wm_results.plane[pipe][plane][level] == 0; --level)
{ }
/*
* If any of the planes on this pipe don't enable wm levels
* that incur memory latencies higher then 30µs we can't enable
* the SAGV
*/
if (dev_priv->wm.skl_latency[level] < SKL_SAGV_BLOCK_TIME)
return false;
}
return true;
}
static void
skl_ddb_get_pipe_allocation_limits(struct drm_device *dev,
const struct intel_crtc_state *cstate,
@ -3107,8 +3255,6 @@ skl_get_total_relative_data_rate(struct intel_crtc_state *intel_cstate)
total_data_rate += intel_cstate->wm.skl.plane_y_data_rate[id];
}
WARN_ON(cstate->plane_mask && total_data_rate == 0);
return total_data_rate;
}
@ -3912,9 +4058,24 @@ skl_compute_ddb(struct drm_atomic_state *state)
* pretend that all pipes switched active status so that we'll
* ensure a full DDB recompute.
*/
if (dev_priv->wm.distrust_bios_wm)
if (dev_priv->wm.distrust_bios_wm) {
ret = drm_modeset_lock(&dev->mode_config.connection_mutex,
state->acquire_ctx);
if (ret)
return ret;
intel_state->active_pipe_changes = ~0;
/*
* We usually only initialize intel_state->active_crtcs if we
* we're doing a modeset; make sure this field is always
* initialized during the sanitization process that happens
* on the first commit too.
*/
if (!intel_state->modeset)
intel_state->active_crtcs = dev_priv->active_crtcs;
}
/*
* If the modeset changes which CRTC's are active, we need to
* recompute the DDB allocation for *all* active pipes, even
@ -3943,11 +4104,33 @@ skl_compute_ddb(struct drm_atomic_state *state)
ret = skl_allocate_pipe_ddb(cstate, ddb);
if (ret)
return ret;
ret = drm_atomic_add_affected_planes(state, &intel_crtc->base);
if (ret)
return ret;
}
return 0;
}
static void
skl_copy_wm_for_pipe(struct skl_wm_values *dst,
struct skl_wm_values *src,
enum pipe pipe)
{
dst->wm_linetime[pipe] = src->wm_linetime[pipe];
memcpy(dst->plane[pipe], src->plane[pipe],
sizeof(dst->plane[pipe]));
memcpy(dst->plane_trans[pipe], src->plane_trans[pipe],
sizeof(dst->plane_trans[pipe]));
dst->ddb.pipe[pipe] = src->ddb.pipe[pipe];
memcpy(dst->ddb.y_plane[pipe], src->ddb.y_plane[pipe],
sizeof(dst->ddb.y_plane[pipe]));
memcpy(dst->ddb.plane[pipe], src->ddb.plane[pipe],
sizeof(dst->ddb.plane[pipe]));
}
static int
skl_compute_wm(struct drm_atomic_state *state)
{
@ -4020,8 +4203,10 @@ static void skl_update_wm(struct drm_crtc *crtc)
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = to_i915(dev);
struct skl_wm_values *results = &dev_priv->wm.skl_results;
struct skl_wm_values *hw_vals = &dev_priv->wm.skl_hw;
struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state);
struct skl_pipe_wm *pipe_wm = &cstate->wm.skl.optimal;
int pipe;
if ((results->dirty_pipes & drm_crtc_mask(crtc)) == 0)
return;
@ -4033,8 +4218,12 @@ static void skl_update_wm(struct drm_crtc *crtc)
skl_write_wm_values(dev_priv, results);
skl_flush_wm_values(dev_priv, results);
/* store the new configuration */
dev_priv->wm.skl_hw = *results;
/*
* Store the new configuration (but only for the pipes that have
* changed; the other values weren't recomputed).
*/
for_each_pipe_masked(dev_priv, pipe, results->dirty_pipes)
skl_copy_wm_for_pipe(hw_vals, results, pipe);
mutex_unlock(&dev_priv->wm.wm_mutex);
}
@ -7658,8 +7847,53 @@ void intel_init_pm(struct drm_device *dev)
}
}
static inline int gen6_check_mailbox_status(struct drm_i915_private *dev_priv)
{
uint32_t flags =
I915_READ_FW(GEN6_PCODE_MAILBOX) & GEN6_PCODE_ERROR_MASK;
switch (flags) {
case GEN6_PCODE_SUCCESS:
return 0;
case GEN6_PCODE_UNIMPLEMENTED_CMD:
case GEN6_PCODE_ILLEGAL_CMD:
return -ENXIO;
case GEN6_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE:
return -EOVERFLOW;
case GEN6_PCODE_TIMEOUT:
return -ETIMEDOUT;
default:
MISSING_CASE(flags)
return 0;
}
}
static inline int gen7_check_mailbox_status(struct drm_i915_private *dev_priv)
{
uint32_t flags =
I915_READ_FW(GEN6_PCODE_MAILBOX) & GEN6_PCODE_ERROR_MASK;
switch (flags) {
case GEN6_PCODE_SUCCESS:
return 0;
case GEN6_PCODE_ILLEGAL_CMD:
return -ENXIO;
case GEN7_PCODE_TIMEOUT:
return -ETIMEDOUT;
case GEN7_PCODE_ILLEGAL_DATA:
return -EINVAL;
case GEN7_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE:
return -EOVERFLOW;
default:
MISSING_CASE(flags);
return 0;
}
}
int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u32 mbox, u32 *val)
{
int status;
WARN_ON(!mutex_is_locked(&dev_priv->rps.hw_lock));
/* GEN6_PCODE_* are outside of the forcewake domain, we can
@ -7686,12 +7920,25 @@ int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u32 mbox, u32 *val
*val = I915_READ_FW(GEN6_PCODE_DATA);
I915_WRITE_FW(GEN6_PCODE_DATA, 0);
if (INTEL_GEN(dev_priv) > 6)
status = gen7_check_mailbox_status(dev_priv);
else
status = gen6_check_mailbox_status(dev_priv);
if (status) {
DRM_DEBUG_DRIVER("warning: pcode (read) mailbox access failed: %d\n",
status);
return status;
}
return 0;
}
int sandybridge_pcode_write(struct drm_i915_private *dev_priv,
u32 mbox, u32 val)
u32 mbox, u32 val)
{
int status;
WARN_ON(!mutex_is_locked(&dev_priv->rps.hw_lock));
/* GEN6_PCODE_* are outside of the forcewake domain, we can
@ -7716,6 +7963,17 @@ int sandybridge_pcode_write(struct drm_i915_private *dev_priv,
I915_WRITE_FW(GEN6_PCODE_DATA, 0);
if (INTEL_GEN(dev_priv) > 6)
status = gen7_check_mailbox_status(dev_priv);
else
status = gen6_check_mailbox_status(dev_priv);
if (status) {
DRM_DEBUG_DRIVER("warning: pcode (write) mailbox access failed: %d\n",
status);
return status;
}
return 0;
}

4
drivers/gpu/drm/qxl/qxl_fb.c
View File

@ -73,10 +73,12 @@ static void qxl_fb_image_init(struct qxl_fb_image *qxl_fb_image,
}
}
#ifdef CONFIG_DRM_FBDEV_EMULATION
static struct fb_deferred_io qxl_defio = {
.delay = QXL_DIRTY_DELAY,
.deferred_io = drm_fb_helper_deferred_io,
};
#endif
static struct fb_ops qxlfb_ops = {
.owner = THIS_MODULE,
@ -313,8 +315,10 @@ static int qxlfb_create(struct qxl_fbdev *qfbdev,
goto out_destroy_fbi;
}
#ifdef CONFIG_DRM_FBDEV_EMULATION
info->fbdefio = &qxl_defio;
fb_deferred_io_init(info);
#endif
qdev->fbdev_info = info;
qdev->fbdev_qfb = &qfbdev->qfb;

4
drivers/gpu/drm/radeon/atombios_crtc.c
View File

@ -627,7 +627,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
if (radeon_crtc->ss.refdiv) {
radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV;
radeon_crtc->pll_reference_div = radeon_crtc->ss.refdiv;
if (rdev->family >= CHIP_RV770)
if (ASIC_IS_AVIVO(rdev) &&
rdev->family != CHIP_RS780 &&
rdev->family != CHIP_RS880)
radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
}
}

4
drivers/gpu/drm/radeon/radeon_ttm.c
View File

@ -263,8 +263,8 @@ static int radeon_move_blit(struct ttm_buffer_object *bo,
rdev = radeon_get_rdev(bo->bdev);
ridx = radeon_copy_ring_index(rdev);
old_start = old_mem->start << PAGE_SHIFT;
new_start = new_mem->start << PAGE_SHIFT;
old_start = (u64)old_mem->start << PAGE_SHIFT;
new_start = (u64)new_mem->start << PAGE_SHIFT;
switch (old_mem->mem_type) {
case TTM_PL_VRAM:

43
drivers/gpu/drm/tegra/dsi.c
View File

@ -840,6 +840,21 @@ static const struct drm_encoder_funcs tegra_dsi_encoder_funcs = {
.destroy = tegra_output_encoder_destroy,
};
static void tegra_dsi_unprepare(struct tegra_dsi *dsi)
{
int err;
if (dsi->slave)
tegra_dsi_unprepare(dsi->slave);
err = tegra_mipi_disable(dsi->mipi);
if (err < 0)
dev_err(dsi->dev, "failed to disable MIPI calibration: %d\n",
err);
pm_runtime_put(dsi->dev);
}
static void tegra_dsi_encoder_disable(struct drm_encoder *encoder)
{
struct tegra_output *output = encoder_to_output(encoder);
@ -876,7 +891,26 @@ static void tegra_dsi_encoder_disable(struct drm_encoder *encoder)
tegra_dsi_disable(dsi);
pm_runtime_put(dsi->dev);
tegra_dsi_unprepare(dsi);
}
static void tegra_dsi_prepare(struct tegra_dsi *dsi)
{
int err;
pm_runtime_get_sync(dsi->dev);
err = tegra_mipi_enable(dsi->mipi);
if (err < 0)
dev_err(dsi->dev, "failed to enable MIPI calibration: %d\n",
err);
err = tegra_dsi_pad_calibrate(dsi);
if (err < 0)
dev_err(dsi->dev, "MIPI calibration failed: %d\n", err);
if (dsi->slave)
tegra_dsi_prepare(dsi->slave);
}
static void tegra_dsi_encoder_enable(struct drm_encoder *encoder)
@ -887,13 +921,8 @@ static void tegra_dsi_encoder_enable(struct drm_encoder *encoder)
struct tegra_dsi *dsi = to_dsi(output);
struct tegra_dsi_state *state;
u32 value;
int err;
pm_runtime_get_sync(dsi->dev);
err = tegra_dsi_pad_calibrate(dsi);
if (err < 0)
dev_err(dsi->dev, "MIPI calibration failed: %d\n", err);
tegra_dsi_prepare(dsi);
state = tegra_dsi_get_state(dsi);

4
drivers/gpu/drm/udl/udl_fb.c
View File

@ -203,6 +203,7 @@ static int udl_fb_open(struct fb_info *info, int user)
ufbdev->fb_count++;
#ifdef CONFIG_DRM_FBDEV_EMULATION
if (fb_defio && (info->fbdefio == NULL)) {
/* enable defio at last moment if not disabled by client */
@ -218,6 +219,7 @@ static int udl_fb_open(struct fb_info *info, int user)
info->fbdefio = fbdefio;
fb_deferred_io_init(info);
}
#endif
pr_notice("open /dev/fb%d user=%d fb_info=%p count=%d\n",
info->node, user, info, ufbdev->fb_count);
@ -235,12 +237,14 @@ static int udl_fb_release(struct fb_info *info, int user)
ufbdev->fb_count--;
#ifdef CONFIG_DRM_FBDEV_EMULATION
if ((ufbdev->fb_count == 0) && (info->fbdefio)) {
fb_deferred_io_cleanup(info);
kfree(info->fbdefio);
info->fbdefio = NULL;
info->fbops->fb_mmap = udl_fb_mmap;
}
#endif
pr_warn("released /dev/fb%d user=%d count=%d\n",
info->node, user, ufbdev->fb_count);

65
drivers/gpu/host1x/mipi.c
View File

@ -242,20 +242,6 @@ struct tegra_mipi_device *tegra_mipi_request(struct device *device)
dev->pads = args.args[0];
dev->device = device;
mutex_lock(&dev->mipi->lock);
if (dev->mipi->usage_count++ == 0) {
err = tegra_mipi_power_up(dev->mipi);
if (err < 0) {
dev_err(dev->mipi->dev,
"failed to power up MIPI bricks: %d\n",
err);
return ERR_PTR(err);
}
}
mutex_unlock(&dev->mipi->lock);
return dev;
put:
@ -270,30 +256,43 @@ EXPORT_SYMBOL(tegra_mipi_request);
void tegra_mipi_free(struct tegra_mipi_device *device)
{
int err;
mutex_lock(&device->mipi->lock);
if (--device->mipi->usage_count == 0) {
err = tegra_mipi_power_down(device->mipi);
if (err < 0) {
/*
* Not much that can be done here, so an error message
* will have to do.
*/
dev_err(device->mipi->dev,
"failed to power down MIPI bricks: %d\n",
err);
}
}
mutex_unlock(&device->mipi->lock);
platform_device_put(device->pdev);
kfree(device);
}
EXPORT_SYMBOL(tegra_mipi_free);
int tegra_mipi_enable(struct tegra_mipi_device *dev)
{
int err = 0;
mutex_lock(&dev->mipi->lock);
if (dev->mipi->usage_count++ == 0)
err = tegra_mipi_power_up(dev->mipi);
mutex_unlock(&dev->mipi->lock);
return err;
}
EXPORT_SYMBOL(tegra_mipi_enable);
int tegra_mipi_disable(struct tegra_mipi_device *dev)
{
int err = 0;
mutex_lock(&dev->mipi->lock);
if (--dev->mipi->usage_count == 0)
err = tegra_mipi_power_down(dev->mipi);
mutex_unlock(&dev->mipi->lock);
return err;
}
EXPORT_SYMBOL(tegra_mipi_disable);
static int tegra_mipi_wait(struct tegra_mipi *mipi)
{
unsigned long timeout = jiffies + msecs_to_jiffies(250);

2
include/linux/host1x.h
View File

@ -304,6 +304,8 @@ struct tegra_mipi_device;
struct tegra_mipi_device *tegra_mipi_request(struct device *device);
void tegra_mipi_free(struct tegra_mipi_device *device);
int tegra_mipi_enable(struct tegra_mipi_device *device);
int tegra_mipi_disable(struct tegra_mipi_device *device);
int tegra_mipi_calibrate(struct tegra_mipi_device *device);
#endif