From: Tvrtko Ursulin <[email protected]>

Now that i915 understands the caching modes behind PAT indices, and having
also special cased the Meteorlake snooping fully coherent mode, we can
remove the user PAT check from gpu_write_needs_clflush().

Signed-off-by: Tvrtko Ursulin <[email protected]>
Cc: Fei Yang <[email protected]>
Cc: Matt Roper <[email protected]>
---
 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 c15f83de33af..bf3a2fa0e539 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_domain.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_domain.c
@@ -41,12 +41,6 @@ static bool gpu_write_needs_clflush(struct 
drm_i915_gem_object *obj)
        if (IS_METEORLAKE(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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