[Intel-gfx] [PATCH 1/2] drm/i915: use correct node for handling cache domain eviction

[Joonas Lahtinen]

On pe, 2017-03-03 at 18:18 +0000, Chris Wilson wrote:
> On Fri, Mar 03, 2017 at 06:03:34PM +0000, Matthew Auld wrote:
> > 
> > It looks like we were incorrectly comparing vma->node against itself
> > instead of the target node, when evicting for a node on systems where we
> > need guard pages between regions with different cache domains. As a
> > consequence we can end up trying to needlessly evict neighbouring nodes,
> > even if they have the same cache domain, and if they were pinned we
> > would fail the eviction.
> > 
> > Fixes: 625d988acc28 ("drm/i915: Extract reserving space in the GTT to a helper")
> > Signed-off-by: Matthew Auld <matthew.auld at intel.com>
> > Cc: Chris Wilson <chris at chris-wilson.co.uk>
> > Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> 
> Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk> /o\
> -Chris

Good catch, will merge the series once the comments on patch 2 are
addressed.

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation