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(parent: fc7170b) | patch
drm/i915: Protect active fences on i915
authorChris Wilson <chris@chris-wilson.co.uk>
Wed, 11 Feb 2009 14:26:47 +0000 (14:26 +0000)
committerEric Anholt <eric@anholt.net>
Wed, 11 Mar 2009 17:33:28 +0000 (10:33 -0700)
commitd7619c4b9c95cc9a2e7f0f4f7ae21165ab5cb1e7
treebb8ae65f7b4bdfcb6464cf20a57251a063e63c49tree | snapshot (tar.gz zip)
parentfc7170ba281c041852eeda52d4faf5db720c99cecommit | diff
drm/i915: Protect active fences on i915

The i915 also uses the fence registers for GPU access to tiled buffers so
we cannot reallocate one whilst it is on the active list. By performing a
LRU scan of the fenced buffers we also avoid waiting the possibility of
waiting on a pinned, or otherwise unusable, buffer.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
drivers/gpu/drm/i915/i915_gem.c diff | blob | blame | history