[PATCH 2/4] drm/i915/cnl: Add WaDisableReplayBufferBankArbitrationOptimization

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Subject: [PATCH 2/4] drm/i915/cnl: Add WaDisableReplayBufferBankArbitrationOptimization
Date: Wed,  5 Jul 2017 18:02:01 -0700	[thread overview]
Message-ID: <1499302923-18021-2-git-send-email-rodrigo.vivi@intel.com> (raw)
In-Reply-To: <1499302923-18021-1-git-send-email-rodrigo.vivi@intel.com>

WA to disable replay buffer destination buffer arbitration optimization.

Same Wa on previous platforms has a different name: WaToEnableHwFixForPushConstHWBug

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
---
 drivers/gpu/drm/i915/intel_engine_cs.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index c520a41..bc14f0b 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1072,6 +1072,10 @@ static int cnl_init_workarounds(struct intel_engine_cs *engine)
 	struct drm_i915_private *dev_priv = engine->i915;
 	int ret;
 
+	/* WaDisableReplayBufferBankArbitrationOptimization:cnl */
+	WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2,
+			  GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION);
+
 	/* WaInPlaceDecompressionHang:cnl */
 	WA_SET_BIT(GEN9_GAMT_ECO_REG_RW_IA,
 		   GAMT_ECO_ENABLE_IN_PLACE_DECOMPRESS);
-- 
1.9.1

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
