[Intel-gfx] [PATCH 3/4] drm/i915/skl: enable WaDisableSbeCacheDispatchPortSharing

Imre Deak imre.deak at intel.com
Tue May 19 05:05:01 PDT 2015


Signed-off-by: Imre Deak <imre.deak at intel.com>
---
 drivers/gpu/drm/i915/intel_ringbuffer.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 461b9be..2e342db 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -967,6 +967,12 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring)
 		WA_SET_BIT_MASKED(SLICE_ECO_CHICKEN0,
 				  PIXEL_MASK_CAMMING_DISABLE);
 
+	/* WaDisableSbeCacheDispatchPortSharing:skl,bxt */
+	if ((IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_F0) ||
+	    (IS_BROXTON(dev) && INTEL_REVID(dev) <= BXT_REVID_B0))
+		WA_SET_BIT_MASKED(GEN7_HALF_SLICE_CHICKEN1,
+			       GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
+
 	return 0;
 }
 
@@ -1050,13 +1056,6 @@ static int bxt_init_workarounds(struct intel_engine_cs *ring)
 	WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN,
 			  STALL_DOP_GATING_DISABLE);
 
-	/* WaDisableSbeCacheDispatchPortSharing:bxt */
-	if (INTEL_REVID(dev) <= BXT_REVID_B0) {
-		WA_SET_BIT_MASKED(
-			GEN7_HALF_SLICE_CHICKEN1,
-			GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
-	}
-
 	/* WaForceContextSaveRestoreNonCoherent:bxt */
 	WA_SET_BIT_MASKED(HDC_CHICKEN0,
 			  HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT);
-- 
2.1.4



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