From e6d1a4f6b267933f81a9299c80b56cf1a36ca79e Mon Sep 17 00:00:00 2001
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Date: Tue, 15 Aug 2017 16:16:49 -0700
Subject: [PATCH] drm/i915/cnl: Add WaDisableReplayBufferBankArbitrationOptimization
Git-commit: e6d1a4f6b267933f81a9299c80b56cf1a36ca79e
Patch-mainline: v4.15-rc1
References: FATE#322643 bsc#1055900
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>
Link: https://patchwork.freedesktop.org/patch/msgid/20170815231651.975-2-rodrigo.vivi@intel.com
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/i915/intel_engine_cs.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1073,6 +1073,10 @@ static int cnl_init_workarounds(struct i
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);