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Merge tag 'drm-intel-fixes-2016-02-04' of git://anongit.freedesktop.org/drm-intel into drm-fixes 

misc i915 fixes.

* tag 'drm-intel-fixes-2016-02-04' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: refine qemu south bridge detection
  drm/i915: Remove select to deleted STOP_MACHINE from Kconfig
  drm/i915: Fix NULL plane->fb oops on SKL
  drm/i915: Don't reject primary plane windowing with color keying enabled on SKL+
  drm/i915/dp: fall back to 18 bpp when sink capability is unknown
  drm/i915: Make sure DC writes are coherent on flush.
This commit is contained in:
Dave Airlie 2016-02-05 14:43:35 +10:00
parent 36f90b0a2d f2e305108f
commit 87d0f93961
5 changed files with 28 additions and 13 deletions
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1
drivers/gpu/drm/i915/Kconfig
View File

@ -10,7 +10,6 @@ config DRM_I915
# the shmem_readpage() which depends upon tmpfs
select SHMEM
select TMPFS
select STOP_MACHINE
select DRM_KMS_HELPER
select DRM_PANEL
select DRM_MIPI_DSI

4
drivers/gpu/drm/i915/i915_drv.c
View File

@ -501,7 +501,9 @@ void intel_detect_pch(struct drm_device *dev)
WARN_ON(!IS_SKYLAKE(dev) &&
!IS_KABYLAKE(dev));
} else if ((id == INTEL_PCH_P2X_DEVICE_ID_TYPE) ||
(id == INTEL_PCH_QEMU_DEVICE_ID_TYPE)) {
((id == INTEL_PCH_QEMU_DEVICE_ID_TYPE) &&
pch->subsystem_vendor == 0x1af4 &&
pch->subsystem_device == 0x1100)) {
dev_priv->pch_type = intel_virt_detect_pch(dev);
} else
continue;

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

@ -2946,7 +2946,7 @@ u32 intel_plane_obj_offset(struct intel_plane *intel_plane,
struct i915_vma *vma;
u64 offset;
intel_fill_fb_ggtt_view(&view, intel_plane->base.fb,
intel_fill_fb_ggtt_view(&view, intel_plane->base.state->fb,
intel_plane->base.state);
vma = i915_gem_obj_to_ggtt_view(obj, &view);
@ -12075,11 +12075,21 @@ connected_sink_compute_bpp(struct intel_connector *connector,
pipe_config->pipe_bpp = connector->base.display_info.bpc*3;
}
/* Clamp bpp to 8 on screens without EDID 1.4 */
if (connector->base.display_info.bpc == 0 && bpp > 24) {
DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of 24\n",
bpp);
pipe_config->pipe_bpp = 24;
/* Clamp bpp to default limit on screens without EDID 1.4 */
if (connector->base.display_info.bpc == 0) {
int type = connector->base.connector_type;
int clamp_bpp = 24;
/* Fall back to 18 bpp when DP sink capability is unknown. */
if (type == DRM_MODE_CONNECTOR_DisplayPort ||
type == DRM_MODE_CONNECTOR_eDP)
clamp_bpp = 18;
if (bpp > clamp_bpp) {
DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of %d\n",
bpp, clamp_bpp);
pipe_config->pipe_bpp = clamp_bpp;
}
}
}
@ -13883,11 +13893,12 @@ intel_check_primary_plane(struct drm_plane *plane,
int max_scale = DRM_PLANE_HELPER_NO_SCALING;
bool can_position = false;
/* use scaler when colorkey is not required */
if (INTEL_INFO(plane->dev)->gen >= 9 &&
state->ckey.flags == I915_SET_COLORKEY_NONE) {
min_scale = 1;
max_scale = skl_max_scale(to_intel_crtc(crtc), crtc_state);
if (INTEL_INFO(plane->dev)->gen >= 9) {
/* use scaler when colorkey is not required */
if (state->ckey.flags == I915_SET_COLORKEY_NONE) {
min_scale = 1;
max_scale = skl_max_scale(to_intel_crtc(crtc), crtc_state);
}
can_position = true;
}

1
drivers/gpu/drm/i915/intel_lrc.c
View File

@ -1707,6 +1707,7 @@ static int gen8_emit_flush_render(struct drm_i915_gem_request *request,
if (flush_domains) {
flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH;
flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH;
flags |= PIPE_CONTROL_DC_FLUSH_ENABLE;
flags |= PIPE_CONTROL_FLUSH_ENABLE;
}

2
drivers/gpu/drm/i915/intel_ringbuffer.c
View File

@ -331,6 +331,7 @@ gen7_render_ring_flush(struct drm_i915_gem_request *req,
if (flush_domains) {
flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH;
flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH;
flags |= PIPE_CONTROL_DC_FLUSH_ENABLE;
flags |= PIPE_CONTROL_FLUSH_ENABLE;
}
if (invalidate_domains) {
@ -403,6 +404,7 @@ gen8_render_ring_flush(struct drm_i915_gem_request *req,
if (flush_domains) {
flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH;
flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH;
flags |= PIPE_CONTROL_DC_FLUSH_ENABLE;
flags |= PIPE_CONTROL_FLUSH_ENABLE;
}
if (invalidate_domains) {