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Backmerge drm-fixes merge into Linus's tree into drm-next.

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This merges '5b726e06d6e8309e5c9ef4109a32caf27c71dfc8' into drm-next

Just to resolve some merges to make Daniel's life easier.

Signed-off-by: DAve Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2015-12-24 08:08:47 +10:00
parent ade1ba7346 5b726e06d6
commit 20f8e032e6
529 changed files with 4220 additions and 2607 deletions
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20
drivers/gpu/drm/i915/intel_display.c
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@@ -14059,6 +14059,7 @@ intel_check_cursor_plane(struct drm_plane *plane,
struct drm_crtc *crtc = crtc_state->base.crtc;
struct drm_framebuffer *fb = state->base.fb;
struct drm_i915_gem_object *obj = intel_fb_obj(fb);
enum pipe pipe = to_intel_plane(plane)->pipe;
unsigned stride;
int ret;
@@ -14092,6 +14093,22 @@ intel_check_cursor_plane(struct drm_plane *plane,
return -EINVAL;
}
/*
* There's something wrong with the cursor on CHV pipe C.
* If it straddles the left edge of the screen then
* moving it away from the edge or disabling it often
* results in a pipe underrun, and often that can lead to
* dead pipe (constant underrun reported, and it scans
* out just a solid color). To recover from that, the
* display power well must be turned off and on again.
* Refuse the put the cursor into that compromised position.
*/
if (IS_CHERRYVIEW(plane->dev) && pipe == PIPE_C &&
state->visible && state->base.crtc_x < 0) {
DRM_DEBUG_KMS("CHV cursor C not allowed to straddle the left screen edge\n");
return -EINVAL;
}
return 0;
}
@@ -14124,7 +14141,8 @@ intel_commit_cursor_plane(struct drm_plane *plane,
intel_crtc->cursor_addr = addr;
intel_crtc_update_cursor(crtc, state->visible);
if (crtc->state->active)
intel_crtc_update_cursor(crtc, state->visible);
}
static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev,