tree 6323469d7d42ac41ce179221c3d19f2789ccdebd
parent 8c4b8c3f34de4e2da20df042bba173fe557f8b45
author Chris Wilson <chris@chris-wilson.co.uk> 1244277961 +0100
committer Eric Anholt <eric@anholt.net> 1245354050 -0700

drm/i915: Clear fence register on tiling stride change.

The fence register value also depends upon the stride of the object, so we
need to clear the fence if that is changed as well.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
[anholt: Added 8xx and 965 paths, and renamed the confusing
i915_gem_object_tiling_ok function to i915_gem_object_fence_offset_ok]
Signed-off-by: Eric Anholt <eric@anholt.net>