[PATCH 6/8] lift gpu_write_needs_clflush restriction

Tvrtko Ursulin tvrtko.ursulin at linux.intel.com
Wed Jul 26 16:00:14 UTC 2023


From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
---
 drivers/gpu/drm/i915/gem/i915_gem_domain.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_domain.c b/drivers/gpu/drm/i915/gem/i915_gem_domain.c
index 6dc7f7ad9a6b..2e70ff1794f3 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_domain.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_domain.c
@@ -38,12 +38,6 @@ static bool gpu_write_needs_clflush(struct drm_i915_gem_object *obj)
 	if (!HAS_LLC(i915) && HAS_SNOOP(i915))
 		return false;
 
-	/*
-	 * Always flush cache for UMD objects with PAT index set.
-	 */
-	if (obj->pat_set_by_user)
-		return true;
-
 	/*
 	 * Fully coherent cached access may end up with data in the CPU cache
 	 * which hasn't hit memory yet.
-- 
2.39.2



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