[Intel-gfx] [PATCH 2/3] drm/i915: Fix MOCS PTE setting for gen9+

Ville Syrjala ville.syrjala at linux.intel.com
Wed Oct 7 12:03:28 UTC 2020


From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Fix up the MOCS PTE setting to really get the LLC cacheability
from the PTE rather than hardocoding it to LLC or LLC+eLLC.

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/gt/intel_mocs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c
index 632e08a4592b..6f771a482608 100644
--- a/drivers/gpu/drm/i915/gt/intel_mocs.c
+++ b/drivers/gpu/drm/i915/gt/intel_mocs.c
@@ -124,7 +124,7 @@ struct drm_i915_mocs_table {
 		   LE_1_UC | LE_TC_2_LLC_ELLC, \
 		   L3_1_UC), \
 	MOCS_ENTRY(I915_MOCS_PTE, \
-		   LE_0_PAGETABLE | LE_TC_2_LLC_ELLC | LE_LRUM(3), \
+		   LE_0_PAGETABLE | LE_TC_0_PAGETABLE | LE_LRUM(3), \
 		   L3_3_WB)
 
 static const struct drm_i915_mocs_entry skl_mocs_table[] = {
@@ -274,7 +274,7 @@ static const struct drm_i915_mocs_entry icl_mocs_table[] = {
 		   L3_1_UC),
 	/* Base - L3 + LeCC:PAT (Deprecated) */
 	MOCS_ENTRY(I915_MOCS_PTE,
-		   LE_0_PAGETABLE | LE_TC_1_LLC,
+		   LE_0_PAGETABLE | LE_TC_0_PAGETABLE,
 		   L3_3_WB),
 
 	GEN11_MOCS_ENTRIES
-- 
2.26.2



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