On Wed, 12 Jan 2011 14:24:17 -0800, Linus Torvalds torvalds@linux-foundation.org wrote:
On Wed, Jan 12, 2011 at 1:28 PM, Linus Torvalds torvalds@linux-foundation.org wrote:
Oh, and I'm also seeing corruption on my sandybridge machine. No video involved, the gdm login screen is already corrupted this way. Similar odd shifted lines etc, so I'd assume it's related.
Hmm. I bisected it down to
commit 6fe4f14044f181e146cdc15485428f95fa541ce8 Author: Chris Wilson chris@chris-wilson.co.uk Date: Mon Jan 10 17:35:37 2011 +0000
drm/i915/execbuffer: Reorder binding of objects to favour restrictionson my sandybridge machine. Chris?
Wow. That should have had zero visible impact upon the rendering. All it should have done is reorder the sequence in which we pin the buffers into the GTT before applying the relocations, just to allow some pathological execbuffers.
Just the SNB machine? -Chris