From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> 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 <tvrtko.ursulin@xxxxxxxxx> Cc: Fei Yang <fei.yang@xxxxxxxxx> Cc: Matt Roper <matthew.d.roper@xxxxxxxxx> --- 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
