On Wed, Aug 17, 2016 at 04:41:44PM -0300, Paulo Zanoni wrote:
> From: Chris Wilson <ch...@chris-wilson.co.uk>
>
> intel_fbc_pre_update() depends upon the new state being already pinned
> in place in the Global GTT (primarily for both fencing which wants both
> an offset and a fence register, if assigned). This requires the call to
> intel_fbc_pre_update() be after intel_pin_and_fence_fb() - but commit
> e8216e502aca ("drm/i915/fbc: call intel_fbc_pre_update earlier during
> page flips") moved the code way too much up in its attempt to call it
> before the page flip.
>
> v2 (from Paulo):
> - Point the original bad commit.
> - Add a comment to maybe prevent further regressions.
>
> Fixes: e8216e502aca ("drm/i915/fbc: call intel_fbc_pre_update earlier...")
> Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
> Signed-off-by: Paulo Zanoni <paulo.r.zan...@intel.com>
> Cc: Daniel Vetter <daniel.vet...@intel.com>
> Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
> Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
> Cc: Patrik Jakobsson <patrik.jakobs...@linux.intel.com>
> Cc: drm-intel-fi...@lists.freedesktop.org
If you had just claimed this as your own, I could have reviewed it ;)
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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