From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
We don't do CPU access to GPU contexts so making the GPU access snoop
the CPU caches seems silly, and potentially expensive.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_context.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 6043062..746fb23 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -240,7 +240,7 @@ __create_hw_context(struct drm_device *dev,
return ERR_PTR(-ENOMEM);
}
- if (INTEL_INFO(dev)->gen >= 7) {
+ if (INTEL_INFO(dev)->gen >= 7 && HAS_LLC(dev)) {
ret = i915_gem_object_set_cache_level(ctx->obj,
I915_CACHE_L3_LLC);
/* Failure shouldn't ever happen this early */
--
1.8.3.2
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