[Intel-gfx] [PATCH] drm/i915: Access to snooped system memory through the GTT is incoherent

Daniel Vetter daniel at ffwll.ch
Mon Dec 17 12:26:49 CET 2012


On Sun, Dec 16, 2012 at 12:43:36PM +0000, Chris Wilson wrote:
> We ignore all the user requests to handle flushing to the GTT domain if
> the user requests such on a snoopable bo, and as such access through the
> GTT to such pages remains incoherent. The specs even warn that such
> behaviour is undefined - a strong reason never to do so.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Queued for -next, thanks for the patch.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch



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