[v2] drm/i915/gt: Whitelist COMMON_SLICE_CHICKEN1 for UMD access.

Dnyaneshwar Bhadane dnyaneshwar.bhadane at intel.com
Sun Aug 25 12:11:56 UTC 2024


As part of the recommended tuning setting, whitelist COMMON_SLICE_CHICKEN1
for MTL/ARL and DG2.

The UMD will selectively enable or disable specific bits of the
register based on the type of workload and its requirements.

v2: Remove the KMD par of enabling specific bits(Matt R)

Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane at intel.com>
---
 drivers/gpu/drm/i915/gt/intel_workarounds.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index bfe6d8fc820f..6aefbbcdd269 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -2072,7 +2072,7 @@ static void dg2_whitelist_build(struct intel_engine_cs *engine)
 	case RENDER_CLASS:
 		/* Required by recommended tuning setting (not a workaround) */
 		whitelist_mcr_reg(w, XEHP_COMMON_SLICE_CHICKEN3);
-
+		whitelist_reg(w, GEN7_COMMON_SLICE_CHICKEN1);
 		break;
 	default:
 		break;
@@ -2087,7 +2087,7 @@ static void xelpg_whitelist_build(struct intel_engine_cs *engine)
 	case RENDER_CLASS:
 		/* Required by recommended tuning setting (not a workaround) */
 		whitelist_mcr_reg(w, XEHP_COMMON_SLICE_CHICKEN3);
-
+		whitelist_reg(w, GEN7_COMMON_SLICE_CHICKEN1);
 		break;
 	default:
 		break;
-- 
2.34.1



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