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

[Chris Wilson]

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

-- 
Chris Wilson, Intel Open Source Technology Centre