[Intel-gfx] [PATCH 19/22] drm/i915/icl: Wa_2006665173

[Oscar Mateo]

Disable blend embellishment in RCC.

Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
Signed-off-by: Oscar Mateo <oscar.mateo at intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h        | 18 +++++++++++-------
 drivers/gpu/drm/i915/intel_engine_cs.c |  5 +++++
 2 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index b1894f6..84e5a59 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -7135,13 +7135,17 @@ enum {
 
 /* GEN7 chicken */
 #define GEN7_COMMON_SLICE_CHICKEN1		_MMIO(0x7010)
-# define GEN7_CSC1_RHWO_OPT_DISABLE_IN_RCC	((1<<10) | (1<<26))
-# define GEN9_RHWO_OPTIMIZATION_DISABLE		(1<<14)
-#define COMMON_SLICE_CHICKEN2			_MMIO(0x7014)
-# define GEN9_PBE_COMPRESSED_HASH_SELECTION	(1<<13)
-# define GEN9_DISABLE_GATHER_AT_SET_SHADER_COMMON_SLICE (1<<12)
-# define GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION (1<<8)
-# define GEN8_CSC2_SBE_VUE_CACHE_CONSERVATIVE	(1<<0)
+  #define GEN7_CSC1_RHWO_OPT_DISABLE_IN_RCC	((1 << 10) | (1 << 26))
+  #define GEN9_RHWO_OPTIMIZATION_DISABLE	(1 << 14)
+
+#define COMMON_SLICE_CHICKEN2					_MMIO(0x7014)
+  #define GEN9_PBE_COMPRESSED_HASH_SELECTION			(1 << 13)
+  #define GEN9_DISABLE_GATHER_AT_SET_SHADER_COMMON_SLICE	(1 << 12)
+  #define GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION		(1 << 8)
+  #define GEN8_CSC2_SBE_VUE_CACHE_CONSERVATIVE			(1 << 0)
+
+#define GEN11_COMMON_SLICE_CHICKEN3		_MMIO(0x7304)
+  #define GEN11_BLEND_EMB_FIX_DISABLE_IN_RCC	(1 << 11)
 
 #define HIZ_CHICKEN					_MMIO(0x7018)
 # define CHV_HZ_8X8_MODE_IN_1X				(1<<15)
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index d0c382e..872dd15 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1499,6 +1499,11 @@ static int icl_init_workarounds(struct intel_engine_cs *engine)
 	WA_SET_BIT_MASKED(GEN9_SLICE_COMMON_ECO_CHICKEN1,
 			  GEN11_STATE_CACHE_REDIRECT_TO_CS);
 
+	/* Wa_2006665173:icl (pre-prod) */
+	if (IS_ICL_REVID(dev_priv, ICL_REVID_A0, ICL_REVID_B0))
+		WA_SET_BIT_MASKED(GEN11_COMMON_SLICE_CHICKEN3,
+				  GEN11_BLEND_EMB_FIX_DISABLE_IN_RCC);
+
 	/* WaSendPushConstantsFromMMIO:icl */
 	ret = wa_ring_whitelist_reg(engine, COMMON_SLICE_CHICKEN2);
 	if (ret)
-- 
1.9.1