[Bug 98036] [BYT] constant screen flicker and rendering errors [regression]
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Thu Nov 3 15:43:51 UTC 2016
https://bugs.freedesktop.org/show_bug.cgi?id=98036
--- Comment #12 from Chris Wilson <chris at chris-wilson.co.uk> ---
Patch du jour:
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index f547248..eee9dcd 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2172,12 +2172,9 @@ static unsigned int intel_surf_alignment(const struct
drm_i915_private *dev_priv
uint64_t fb_modifier)
{
switch (fb_modifier) {
+ case I915_FORMAT_MOD_X_TILED:
case DRM_FORMAT_MOD_NONE:
return intel_linear_alignment(dev_priv);
- case I915_FORMAT_MOD_X_TILED:
- if (INTEL_INFO(dev_priv)->gen >= 9)
- return 256 * 1024;
- return 0;
case I915_FORMAT_MOD_Y_TILED:
case I915_FORMAT_MOD_Yf_TILED:
return 1 * 1024 * 1024;
(In reply to Eero Tamminen from comment #11)
> DRI2 has another problem, at some point, one fullscreen GL frame gets stuck
> on screen and nothing else will be visible until X session is restarted.
The tail of bug 93844:
commit 40e3be34367141c952678f456f0e0d4632b6c266
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date: Thu Nov 3 10:18:32 2016 +0000
sna/dri2: Complete the final flip in a chain after the window is destroyed
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