[PATCH 13/15] drm/i915/gt: Add MCR-specific workaround initializers

Matt Roper matthew.d.roper at intel.com
Wed Mar 30 23:28:56 UTC 2022


Let's be more explicit about which of our workarounds are updating MCR
registers.

Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
---
 drivers/gpu/drm/i915/gt/intel_workarounds.c | 346 +++++++++++---------
 1 file changed, 198 insertions(+), 148 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 1864e1fe1e87..d7e61c8a8c04 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -166,12 +166,32 @@ static void wa_add(struct i915_wa_list *wal, i915_reg_t reg,
 	_wa_add(wal, &wa);
 }
 
+static void wa_mcr_add(struct i915_wa_list *wal, i915_reg_t reg,
+		       u32 clear, u32 set, u32 read_mask, bool masked_reg)
+{
+	struct i915_wa wa = {
+		.reg  = reg,
+		.clr  = clear,
+		.set  = set,
+		.read = read_mask,
+		.masked_reg = masked_reg,
+	};
+
+	_wa_add(wal, &wa);
+}
+
 static void
 wa_write_clr_set(struct i915_wa_list *wal, i915_reg_t reg, u32 clear, u32 set)
 {
 	wa_add(wal, reg, clear, set, clear, false);
 }
 
+static void
+wa_mcr_write_clr_set(struct i915_wa_list *wal, i915_reg_t reg, u32 clear, u32 set)
+{
+	wa_mcr_add(wal, reg, clear, set, clear, false);
+}
+
 static void
 wa_write(struct i915_wa_list *wal, i915_reg_t reg, u32 set)
 {
@@ -184,12 +204,24 @@ wa_write_or(struct i915_wa_list *wal, i915_reg_t reg, u32 set)
 	wa_write_clr_set(wal, reg, set, set);
 }
 
+static void
+wa_mcr_write_or(struct i915_wa_list *wal, i915_reg_t reg, u32 set)
+{
+	wa_mcr_write_clr_set(wal, reg, set, set);
+}
+
 static void
 wa_write_clr(struct i915_wa_list *wal, i915_reg_t reg, u32 clr)
 {
 	wa_write_clr_set(wal, reg, clr, 0);
 }
 
+static void
+wa_mcr_write_clr(struct i915_wa_list *wal, i915_reg_t reg, u32 clr)
+{
+	wa_mcr_write_clr_set(wal, reg, clr, 0);
+}
+
 /*
  * WA operations on "masked register". A masked register has the upper 16 bits
  * documented as "masked" in b-spec. Its purpose is to allow writing to just a
@@ -207,12 +239,24 @@ wa_masked_en(struct i915_wa_list *wal, i915_reg_t reg, u32 val)
 	wa_add(wal, reg, 0, _MASKED_BIT_ENABLE(val), val, true);
 }
 
+static void
+wa_mcr_masked_en(struct i915_wa_list *wal, i915_reg_t reg, u32 val)
+{
+	wa_mcr_add(wal, reg, 0, _MASKED_BIT_ENABLE(val), val, true);
+}
+
 static void
 wa_masked_dis(struct i915_wa_list *wal, i915_reg_t reg, u32 val)
 {
 	wa_add(wal, reg, 0, _MASKED_BIT_DISABLE(val), val, true);
 }
 
+static void
+wa_mcr_masked_dis(struct i915_wa_list *wal, i915_reg_t reg, u32 val)
+{
+	wa_mcr_add(wal, reg, 0, _MASKED_BIT_DISABLE(val), val, true);
+}
+
 static void
 wa_masked_field_set(struct i915_wa_list *wal, i915_reg_t reg,
 		    u32 mask, u32 val)
@@ -241,7 +285,7 @@ static void gen8_ctx_workarounds_init(struct intel_engine_cs *engine,
 	wa_masked_en(wal, RING_MI_MODE(RENDER_RING_BASE), ASYNC_FLIP_PERF_DISABLE);
 
 	/* WaDisablePartialInstShootdown:bdw,chv */
-	wa_masked_en(wal, GEN8_ROW_CHICKEN,
+	wa_mcr_masked_en(wal, GEN8_ROW_CHICKEN,
 		     PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE);
 
 	/* Use Force Non-Coherent whenever executing a 3D context. This is a
@@ -288,18 +332,18 @@ static void bdw_ctx_workarounds_init(struct intel_engine_cs *engine,
 	gen8_ctx_workarounds_init(engine, wal);
 
 	/* WaDisableThreadStallDopClockGating:bdw (pre-production) */
-	wa_masked_en(wal, GEN8_ROW_CHICKEN, STALL_DOP_GATING_DISABLE);
+	wa_mcr_masked_en(wal, GEN8_ROW_CHICKEN, STALL_DOP_GATING_DISABLE);
 
 	/* WaDisableDopClockGating:bdw
 	 *
 	 * Also see the related UCGTCL1 write in bdw_init_clock_gating()
 	 * to disable EUTC clock gating.
 	 */
-	wa_masked_en(wal, GEN8_ROW_CHICKEN2,
-		     DOP_CLOCK_GATING_DISABLE);
+	wa_mcr_masked_en(wal, GEN8_ROW_CHICKEN2,
+			 DOP_CLOCK_GATING_DISABLE);
 
-	wa_masked_en(wal, GEN8_HALF_SLICE_CHICKEN3,
-		     GEN8_SAMPLER_POWER_BYPASS_DIS);
+	wa_mcr_masked_en(wal, GEN8_HALF_SLICE_CHICKEN3,
+			 GEN8_SAMPLER_POWER_BYPASS_DIS);
 
 	wa_masked_en(wal, HDC_CHICKEN0,
 		     /* WaForceContextSaveRestoreNonCoherent:bdw */
@@ -314,7 +358,7 @@ static void chv_ctx_workarounds_init(struct intel_engine_cs *engine,
 	gen8_ctx_workarounds_init(engine, wal);
 
 	/* WaDisableThreadStallDopClockGating:chv */
-	wa_masked_en(wal, GEN8_ROW_CHICKEN, STALL_DOP_GATING_DISABLE);
+	wa_mcr_masked_en(wal, GEN8_ROW_CHICKEN, STALL_DOP_GATING_DISABLE);
 
 	/* Improve HiZ throughput on CHV. */
 	wa_masked_en(wal, HIZ_CHICKEN, CHV_HZ_8X8_MODE_IN_1X);
@@ -333,21 +377,21 @@ static void gen9_ctx_workarounds_init(struct intel_engine_cs *engine,
 		 */
 		wa_masked_en(wal, COMMON_SLICE_CHICKEN2,
 			     GEN9_PBE_COMPRESSED_HASH_SELECTION);
-		wa_masked_en(wal, GEN9_HALF_SLICE_CHICKEN7,
-			     GEN9_SAMPLER_HASH_COMPRESSED_READ_ADDR);
+		wa_mcr_masked_en(wal, GEN9_HALF_SLICE_CHICKEN7,
+				 GEN9_SAMPLER_HASH_COMPRESSED_READ_ADDR);
 	}
 
 	/* WaClearFlowControlGpgpuContextSave:skl,bxt,kbl,glk,cfl */
 	/* WaDisablePartialInstShootdown:skl,bxt,kbl,glk,cfl */
-	wa_masked_en(wal, GEN8_ROW_CHICKEN,
-		     FLOW_CONTROL_ENABLE |
-		     PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE);
+	wa_mcr_masked_en(wal, GEN8_ROW_CHICKEN,
+			 FLOW_CONTROL_ENABLE |
+			 PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE);
 
 	/* WaEnableYV12BugFixInHalfSliceChicken7:skl,bxt,kbl,glk,cfl */
 	/* WaEnableSamplerGPGPUPreemptionSupport:skl,bxt,kbl,cfl */
-	wa_masked_en(wal, GEN9_HALF_SLICE_CHICKEN7,
-		     GEN9_ENABLE_YV12_BUGFIX |
-		     GEN9_ENABLE_GPGPU_PREEMPTION);
+	wa_mcr_masked_en(wal, GEN9_HALF_SLICE_CHICKEN7,
+			 GEN9_ENABLE_YV12_BUGFIX |
+			 GEN9_ENABLE_GPGPU_PREEMPTION);
 
 	/* Wa4x4STCOptimizationDisable:skl,bxt,kbl,glk,cfl */
 	/* WaDisablePartialResolveInVc:skl,bxt,kbl,cfl */
@@ -356,8 +400,8 @@ static void gen9_ctx_workarounds_init(struct intel_engine_cs *engine,
 		     GEN9_PARTIAL_RESOLVE_IN_VC_DISABLE);
 
 	/* WaCcsTlbPrefetchDisable:skl,bxt,kbl,glk,cfl */
-	wa_masked_dis(wal, GEN9_HALF_SLICE_CHICKEN5,
-		      GEN9_CCS_TLB_PREFETCH_ENABLE);
+	wa_mcr_masked_dis(wal, GEN9_HALF_SLICE_CHICKEN5,
+			  GEN9_CCS_TLB_PREFETCH_ENABLE);
 
 	/* WaForceContextSaveRestoreNonCoherent:skl,bxt,kbl,cfl */
 	wa_masked_en(wal, HDC_CHICKEN0,
@@ -386,11 +430,11 @@ static void gen9_ctx_workarounds_init(struct intel_engine_cs *engine,
 	    IS_KABYLAKE(i915) ||
 	    IS_COFFEELAKE(i915) ||
 	    IS_COMETLAKE(i915))
-		wa_masked_en(wal, GEN8_HALF_SLICE_CHICKEN3,
-			     GEN8_SAMPLER_POWER_BYPASS_DIS);
+		wa_mcr_masked_en(wal, GEN8_HALF_SLICE_CHICKEN3,
+				 GEN8_SAMPLER_POWER_BYPASS_DIS);
 
 	/* WaDisableSTUnitPowerOptimization:skl,bxt,kbl,glk,cfl */
-	wa_masked_en(wal, HALF_SLICE_CHICKEN2, GEN8_ST_PO_DISABLE);
+	wa_mcr_masked_en(wal, HALF_SLICE_CHICKEN2, GEN8_ST_PO_DISABLE);
 
 	/*
 	 * Supporting preemption with fine-granularity requires changes in the
@@ -469,8 +513,8 @@ static void bxt_ctx_workarounds_init(struct intel_engine_cs *engine,
 	gen9_ctx_workarounds_init(engine, wal);
 
 	/* WaDisableThreadStallDopClockGating:bxt */
-	wa_masked_en(wal, GEN8_ROW_CHICKEN,
-		     STALL_DOP_GATING_DISABLE);
+	wa_mcr_masked_en(wal, GEN8_ROW_CHICKEN,
+			 STALL_DOP_GATING_DISABLE);
 
 	/* WaToEnableHwFixForPushConstHWBug:bxt */
 	wa_masked_en(wal, COMMON_SLICE_CHICKEN2,
@@ -490,8 +534,8 @@ static void kbl_ctx_workarounds_init(struct intel_engine_cs *engine,
 			     GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION);
 
 	/* WaDisableSbeCacheDispatchPortSharing:kbl */
-	wa_masked_en(wal, GEN8_HALF_SLICE_CHICKEN1,
-		     GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
+	wa_mcr_masked_en(wal, GEN8_HALF_SLICE_CHICKEN1,
+			 GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
 }
 
 static void glk_ctx_workarounds_init(struct intel_engine_cs *engine,
@@ -514,8 +558,8 @@ static void cfl_ctx_workarounds_init(struct intel_engine_cs *engine,
 		     GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION);
 
 	/* WaDisableSbeCacheDispatchPortSharing:cfl */
-	wa_masked_en(wal, GEN8_HALF_SLICE_CHICKEN1,
-		     GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
+	wa_mcr_masked_en(wal, GEN8_HALF_SLICE_CHICKEN1,
+			 GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
 }
 
 static void icl_ctx_workarounds_init(struct intel_engine_cs *engine,
@@ -534,13 +578,13 @@ static void icl_ctx_workarounds_init(struct intel_engine_cs *engine,
 	 * (the register is whitelisted in hardware now, so UMDs can opt in
 	 * for coherency if they have a good reason).
 	 */
-	wa_masked_en(wal, ICL_HDC_MODE, HDC_FORCE_NON_COHERENT);
+	wa_mcr_masked_en(wal, ICL_HDC_MODE, HDC_FORCE_NON_COHERENT);
 
 	/* WaEnableFloatBlendOptimization:icl */
-	wa_add(wal, GEN10_CACHE_MODE_SS, 0,
-	       _MASKED_BIT_ENABLE(FLOAT_BLEND_OPTIMIZATION_ENABLE),
-	       0 /* write-only, so skip validation */,
-	       true);
+	wa_mcr_add(wal, GEN10_CACHE_MODE_SS, 0,
+		   _MASKED_BIT_ENABLE(FLOAT_BLEND_OPTIMIZATION_ENABLE),
+		   0 /* write-only, so skip validation */,
+		   true);
 
 	/* WaDisableGPGPUMidThreadPreemption:icl */
 	wa_masked_field_set(wal, GEN8_CS_CHICKEN1,
@@ -548,8 +592,8 @@ static void icl_ctx_workarounds_init(struct intel_engine_cs *engine,
 			    GEN9_PREEMPT_GPGPU_THREAD_GROUP_LEVEL);
 
 	/* allow headerless messages for preemptible GPGPU context */
-	wa_masked_en(wal, GEN10_SAMPLER_MODE,
-		     GEN11_SAMPLER_ENABLE_HEADLESS_MSG);
+	wa_mcr_masked_en(wal, GEN10_SAMPLER_MODE,
+			 GEN11_SAMPLER_ENABLE_HEADLESS_MSG);
 
 	/* Wa_1604278689:icl,ehl */
 	wa_write(wal, IVB_FBC_RT_BASE, 0xFFFFFFFF & ~ILK_FBC_RT_VALID);
@@ -558,7 +602,7 @@ static void icl_ctx_workarounds_init(struct intel_engine_cs *engine,
 			 0xFFFFFFFF);
 
 	/* Wa_1406306137:icl,ehl */
-	wa_masked_en(wal, GEN9_ROW_CHICKEN4, GEN11_DIS_PICK_2ND_EU);
+	wa_mcr_masked_en(wal, GEN9_ROW_CHICKEN4, GEN11_DIS_PICK_2ND_EU);
 }
 
 /*
@@ -568,13 +612,13 @@ static void icl_ctx_workarounds_init(struct intel_engine_cs *engine,
 static void dg2_ctx_gt_tuning_init(struct intel_engine_cs *engine,
 				   struct i915_wa_list *wal)
 {
-	wa_write_clr_set(wal, XEHP_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
-			 REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f));
-	wa_add(wal,
-	       XEHP_FF_MODE2,
-	       FF_MODE2_TDS_TIMER_MASK,
-	       FF_MODE2_TDS_TIMER_128,
-	       0, false);
+	wa_mcr_write_clr_set(wal, XEHP_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
+			     REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f));
+	wa_mcr_add(wal,
+		   XEHP_FF_MODE2,
+		   FF_MODE2_TDS_TIMER_MASK,
+		   FF_MODE2_TDS_TIMER_128,
+		   0, false);
 }
 
 /*
@@ -663,27 +707,27 @@ static void dg2_ctx_workarounds_init(struct intel_engine_cs *engine,
 
 	/* Wa_16011186671:dg2_g11 */
 	if (IS_DG2_GRAPHICS_STEP(engine->i915, G11, STEP_A0, STEP_B0)) {
-		wa_masked_dis(wal, VFLSKPD, DIS_MULT_MISS_RD_SQUASH);
-		wa_masked_en(wal, VFLSKPD, DIS_OVER_FETCH_CACHE);
+		wa_mcr_masked_dis(wal, VFLSKPD, DIS_MULT_MISS_RD_SQUASH);
+		wa_mcr_masked_en(wal, VFLSKPD, DIS_OVER_FETCH_CACHE);
 	}
 
 	if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_A0, STEP_B0)) {
 		/* Wa_14010469329:dg2_g10 */
-		wa_masked_en(wal, XEHP_COMMON_SLICE_CHICKEN3,
-			     XEHP_DUAL_SIMD8_SEQ_MERGE_DISABLE);
+		wa_mcr_masked_en(wal, XEHP_COMMON_SLICE_CHICKEN3,
+				 XEHP_DUAL_SIMD8_SEQ_MERGE_DISABLE);
 
 		/*
 		 * Wa_22010465075:dg2_g10
 		 * Wa_22010613112:dg2_g10
 		 * Wa_14010698770:dg2_g10
 		 */
-		wa_masked_en(wal, XEHP_COMMON_SLICE_CHICKEN3,
-			     GEN12_DISABLE_CPS_AWARE_COLOR_PIPE);
+		wa_mcr_masked_en(wal, XEHP_COMMON_SLICE_CHICKEN3,
+				 GEN12_DISABLE_CPS_AWARE_COLOR_PIPE);
 	}
 
 	/* Wa_16013271637:dg2 */
-	wa_masked_en(wal, XEHP_SLICE_COMMON_ECO_CHICKEN1,
-		     MSC_MSAA_REODER_BUF_BYPASS_DISABLE);
+	wa_mcr_masked_en(wal, XEHP_SLICE_COMMON_ECO_CHICKEN1,
+			 MSC_MSAA_REODER_BUF_BYPASS_DISABLE);
 
 	/* Wa_14014947963:dg2 */
 	if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_B0, STEP_FOREVER) ||
@@ -1237,9 +1281,9 @@ icl_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
 		    PSDUNIT_CLKGATE_DIS);
 
 	/* Wa_1406680159:icl,ehl */
-	wa_write_or(wal,
-		    GEN11_SUBSLICE_UNIT_LEVEL_CLKGATE,
-		    GWUNIT_CLKGATE_DIS);
+	wa_mcr_write_or(wal,
+			GEN11_SUBSLICE_UNIT_LEVEL_CLKGATE,
+			GWUNIT_CLKGATE_DIS);
 
 	/* Wa_1607087056:icl,ehl,jsl */
 	if (IS_ICELAKE(i915) ||
@@ -1252,7 +1296,7 @@ icl_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
 	 * This is not a documented workaround, but rather an optimization
 	 * to reduce sampler power.
 	 */
-	wa_write_clr(wal, GEN10_DFR_RATIO_EN_AND_CHICKEN, DFR_DISABLE);
+	wa_mcr_write_clr(wal, GEN10_DFR_RATIO_EN_AND_CHICKEN, DFR_DISABLE);
 }
 
 /*
@@ -1286,7 +1330,7 @@ gen12_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
 	wa_14011060649(gt, wal);
 
 	/* Wa_14011059788:tgl,rkl,adl-s,dg1,adl-p */
-	wa_write_or(wal, GEN10_DFR_RATIO_EN_AND_CHICKEN, DFR_DISABLE);
+	wa_mcr_write_or(wal, GEN10_DFR_RATIO_EN_AND_CHICKEN, DFR_DISABLE);
 }
 
 static void
@@ -1298,9 +1342,9 @@ tgl_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
 
 	/* Wa_1409420604:tgl */
 	if (IS_TGL_UY_GRAPHICS_STEP(i915, STEP_A0, STEP_B0))
-		wa_write_or(wal,
-			    SUBSLICE_UNIT_LEVEL_CLKGATE2,
-			    CPSSUNIT_CLKGATE_DIS);
+		wa_mcr_write_or(wal,
+				SUBSLICE_UNIT_LEVEL_CLKGATE2,
+				CPSSUNIT_CLKGATE_DIS);
 
 	/* Wa_1607087056:tgl also know as BUG:1409180338 */
 	if (IS_TGL_UY_GRAPHICS_STEP(i915, STEP_A0, STEP_B0))
@@ -1329,9 +1373,9 @@ dg1_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
 
 	/* Wa_1409420604:dg1 */
 	if (IS_DG1(i915))
-		wa_write_or(wal,
-			    SUBSLICE_UNIT_LEVEL_CLKGATE2,
-			    CPSSUNIT_CLKGATE_DIS);
+		wa_mcr_write_or(wal,
+				SUBSLICE_UNIT_LEVEL_CLKGATE2,
+				CPSSUNIT_CLKGATE_DIS);
 
 	/* Wa_1408615072:dg1 */
 	/* Empirical testing shows this register is unaffected by engine reset. */
@@ -1348,7 +1392,7 @@ xehpsdv_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
 	xehp_init_mcr(gt, wal);
 
 	/* Wa_1409757795:xehpsdv */
-	wa_write_or(wal, SCCGCTL94DC, CG3DDISURB);
+	wa_mcr_write_or(wal, SCCGCTL94DC, CG3DDISURB);
 
 	/* Wa_16011155590:xehpsdv */
 	if (IS_XEHPSDV_GRAPHICS_STEP(i915, STEP_A0, STEP_B0))
@@ -1428,8 +1472,8 @@ dg2_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
 			    CG3DDISCFEG_CLKGATE_DIS);
 
 		/* Wa_14011006942:dg2 */
-		wa_write_or(wal, GEN11_SUBSLICE_UNIT_LEVEL_CLKGATE,
-			    DSS_ROUTER_CLKGATE_DIS);
+		wa_mcr_write_or(wal, GEN11_SUBSLICE_UNIT_LEVEL_CLKGATE,
+				DSS_ROUTER_CLKGATE_DIS);
 	}
 
 	if (IS_DG2_GRAPHICS_STEP(gt->i915, G10, STEP_A0, STEP_B0)) {
@@ -1440,7 +1484,7 @@ dg2_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
 		wa_write_or(wal, UNSLCGCTL9444, LTCDD_CLKGATE_DIS);
 
 		/* Wa_14011371254:dg2_g10 */
-		wa_write_or(wal, XEHP_SLICE_UNIT_LEVEL_CLKGATE, NODEDSS_CLKGATE_DIS);
+		wa_mcr_write_or(wal, XEHP_SLICE_UNIT_LEVEL_CLKGATE, NODEDSS_CLKGATE_DIS);
 
 		/* Wa_14011431319:dg2_g10 */
 		wa_write_or(wal, UNSLCGCTL9440, GAMTLBOACS_CLKGATE_DIS |
@@ -1476,18 +1520,18 @@ dg2_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
 			    GAMEDIA_CLKGATE_DIS);
 
 		/* Wa_14011028019:dg2_g10 */
-		wa_write_or(wal, SSMCGCTL9530, RTFUNIT_CLKGATE_DIS);
+		wa_mcr_write_or(wal, SSMCGCTL9530, RTFUNIT_CLKGATE_DIS);
 	}
 
 	/* Wa_14014830051:dg2 */
-	wa_write_clr(wal, SARB_CHICKEN1, COMP_CKN_IN);
+	wa_mcr_write_clr(wal, SARB_CHICKEN1, COMP_CKN_IN);
 
 	/*
 	 * The following are not actually "workarounds" but rather
 	 * recommended tuning settings documented in the bspec's
 	 * performance guide section.
 	 */
-	wa_write_or(wal, XEHP_SQCM, EN_32B_ACCESS);
+	wa_mcr_write_or(wal, XEHP_SQCM, EN_32B_ACCESS);
 }
 
 static void
@@ -1686,6 +1730,12 @@ whitelist_reg(struct i915_wa_list *wal, i915_reg_t reg)
 	whitelist_reg_ext(wal, reg, RING_FORCE_TO_NONPRIV_ACCESS_RW);
 }
 
+static void
+whitelist_mcr_reg(struct i915_wa_list *wal, i915_reg_t reg)
+{
+	whitelist_reg_ext(wal, reg, RING_FORCE_TO_NONPRIV_ACCESS_RW);
+}
+
 static void gen9_whitelist_build(struct i915_wa_list *w)
 {
 	/* WaVFEStateAfterPipeControlwithMediaStateClear:skl,bxt,glk,cfl */
@@ -1711,7 +1761,7 @@ static void skl_whitelist_build(struct intel_engine_cs *engine)
 	gen9_whitelist_build(w);
 
 	/* WaDisableLSQCROPERFforOCL:skl */
-	whitelist_reg(w, GEN8_L3SQCREG4);
+	whitelist_mcr_reg(w, GEN8_L3SQCREG4);
 }
 
 static void bxt_whitelist_build(struct intel_engine_cs *engine)
@@ -1732,7 +1782,7 @@ static void kbl_whitelist_build(struct intel_engine_cs *engine)
 	gen9_whitelist_build(w);
 
 	/* WaDisableLSQCROPERFforOCL:kbl */
-	whitelist_reg(w, GEN8_L3SQCREG4);
+	whitelist_mcr_reg(w, GEN8_L3SQCREG4);
 }
 
 static void glk_whitelist_build(struct intel_engine_cs *engine)
@@ -1797,10 +1847,10 @@ static void icl_whitelist_build(struct intel_engine_cs *engine)
 	switch (engine->class) {
 	case RENDER_CLASS:
 		/* WaAllowUMDToModifyHalfSliceChicken7:icl */
-		whitelist_reg(w, GEN9_HALF_SLICE_CHICKEN7);
+		whitelist_mcr_reg(w, GEN9_HALF_SLICE_CHICKEN7);
 
 		/* WaAllowUMDToModifySamplerMode:icl */
-		whitelist_reg(w, GEN10_SAMPLER_MODE);
+		whitelist_mcr_reg(w, GEN10_SAMPLER_MODE);
 
 		/* WaEnableStateCacheRedirectToCS:icl */
 		whitelist_reg(w, GEN9_SLICE_COMMON_ECO_CHICKEN1);
@@ -2025,7 +2075,7 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 
 	if (IS_DG2(i915)) {
 		/* Wa_14015227452:dg2 */
-		wa_masked_en(wal, GEN9_ROW_CHICKEN4, XEHP_DIS_BBL_SYSPIPE);
+		wa_mcr_masked_en(wal, GEN9_ROW_CHICKEN4, XEHP_DIS_BBL_SYSPIPE);
 
 		/* Wa_1509235366:dg2 */
 		wa_write_or(wal, GEN12_GAMCNTRL_CTRL, INVALIDATION_BROADCAST_MODE_DIS |
@@ -2036,27 +2086,27 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 		 * recommended tuning settings documented in the bspec's
 		 * performance guide section.
 		 */
-		wa_write_or(wal, XEHP_L3SCQREG7, BLEND_FILL_CACHING_OPT_DIS);
+		wa_mcr_write_or(wal, XEHP_L3SCQREG7, BLEND_FILL_CACHING_OPT_DIS);
 
 		/* Wa_18018781329:dg2 */
-		wa_write_or(wal, RENDER_MOD_CTRL, FORCE_MISS_FTLB);
-		wa_write_or(wal, COMP_MOD_CTRL, FORCE_MISS_FTLB);
-		wa_write_or(wal, VDBX_MOD_CTRL, FORCE_MISS_FTLB);
-		wa_write_or(wal, VEBX_MOD_CTRL, FORCE_MISS_FTLB);
+		wa_mcr_write_or(wal, RENDER_MOD_CTRL, FORCE_MISS_FTLB);
+		wa_mcr_write_or(wal, COMP_MOD_CTRL, FORCE_MISS_FTLB);
+		wa_mcr_write_or(wal, VDBX_MOD_CTRL, FORCE_MISS_FTLB);
+		wa_mcr_write_or(wal, VEBX_MOD_CTRL, FORCE_MISS_FTLB);
 	}
 
 	if (IS_DG2_GRAPHICS_STEP(i915, G11, STEP_A0, STEP_B0)) {
 		/* Wa_14013392000:dg2_g11 */
-		wa_masked_en(wal, GEN8_ROW_CHICKEN2, GEN12_ENABLE_LARGE_GRF_MODE);
+		wa_mcr_masked_en(wal, GEN8_ROW_CHICKEN2, GEN12_ENABLE_LARGE_GRF_MODE);
 
 		/* Wa_16011620976:dg2_g11 */
-		wa_write_or(wal, LSC_CHICKEN_BIT_0_UDW, DIS_CHAIN_2XSIMD8);
+		wa_mcr_write_or(wal, LSC_CHICKEN_BIT_0_UDW, DIS_CHAIN_2XSIMD8);
 	}
 
 	if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_A0, STEP_B0) ||
 	    IS_DG2_GRAPHICS_STEP(i915, G11, STEP_A0, STEP_B0)) {
 		/* Wa_14012419201:dg2 */
-		wa_masked_en(wal, GEN9_ROW_CHICKEN4,
+		wa_mcr_masked_en(wal, GEN9_ROW_CHICKEN4,
 			     GEN12_DISABLE_HDR_PAST_PAYLOAD_HOLD_FIX);
 	}
 
@@ -2066,13 +2116,13 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 		 * Wa_22012826095:dg2
 		 * Wa_22013059131:dg2
 		 */
-		wa_write_clr_set(wal, LSC_CHICKEN_BIT_0_UDW,
-				 MAXREQS_PER_BANK,
-				 REG_FIELD_PREP(MAXREQS_PER_BANK, 2));
+		wa_mcr_write_clr_set(wal, LSC_CHICKEN_BIT_0_UDW,
+				     MAXREQS_PER_BANK,
+				     REG_FIELD_PREP(MAXREQS_PER_BANK, 2));
 
 		/* Wa_22013059131:dg2 */
-		wa_write_or(wal, LSC_CHICKEN_BIT_0,
-			    FORCE_1_SUB_MESSAGE_PER_FRAGMENT);
+		wa_mcr_write_or(wal, LSC_CHICKEN_BIT_0,
+				FORCE_1_SUB_MESSAGE_PER_FRAGMENT);
 	}
 
 	/* Wa_1308578152:dg2_g10 when first gslice is fused off */
@@ -2085,19 +2135,19 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 	if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_B0, STEP_FOREVER) ||
 	    IS_DG2_G11(i915) || IS_DG2_G12(i915)) {
 		/* Wa_22013037850:dg2 */
-		wa_write_or(wal, LSC_CHICKEN_BIT_0_UDW,
-			    DISABLE_128B_EVICTION_COMMAND_UDW);
+		wa_mcr_write_or(wal, LSC_CHICKEN_BIT_0_UDW,
+				DISABLE_128B_EVICTION_COMMAND_UDW);
 
 		/* Wa_22012856258:dg2 */
-		wa_masked_en(wal, GEN8_ROW_CHICKEN2,
+		wa_mcr_masked_en(wal, GEN8_ROW_CHICKEN2,
 			     GEN12_DISABLE_READ_SUPPRESSION);
 
 		/*
 		 * Wa_22010960976:dg2
 		 * Wa_14013347512:dg2
 		 */
-		wa_masked_dis(wal, XEHP_HDC_CHICKEN0,
-			      LSC_L1_FLUSH_CTL_3D_DATAPORT_FLUSH_EVENTS_MASK);
+		wa_mcr_masked_dis(wal, XEHP_HDC_CHICKEN0,
+				  LSC_L1_FLUSH_CTL_3D_DATAPORT_FLUSH_EVENTS_MASK);
 	}
 
 	if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_A0, STEP_B0)) {
@@ -2105,7 +2155,7 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 		 * Wa_1608949956:dg2_g10
 		 * Wa_14010198302:dg2_g10
 		 */
-		wa_masked_en(wal, GEN8_ROW_CHICKEN,
+		wa_mcr_masked_en(wal, GEN8_ROW_CHICKEN,
 			     MDQ_ARBITRATION_MODE | UGM_BACKUP_MODE);
 
 		/*
@@ -2114,40 +2164,40 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 		 * LSC_CHICKEN_BIT_0 always reads back as 0 is this stepping,
 		 * so ignoring verification.
 		 */
-		wa_add(wal, LSC_CHICKEN_BIT_0_UDW, 0,
-		       FORCE_SLM_FENCE_SCOPE_TO_TILE | FORCE_UGM_FENCE_SCOPE_TO_TILE,
-		       0, false);
+		wa_mcr_add(wal, LSC_CHICKEN_BIT_0_UDW, 0,
+			   FORCE_SLM_FENCE_SCOPE_TO_TILE | FORCE_UGM_FENCE_SCOPE_TO_TILE,
+			   0, false);
 	}
 
 	if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_A0, STEP_B0)) {
 		/* Wa_22010430635:dg2 */
-		wa_masked_en(wal,
-			     GEN9_ROW_CHICKEN4,
-			     GEN12_DISABLE_GRF_CLEAR);
+		wa_mcr_masked_en(wal,
+				 GEN9_ROW_CHICKEN4,
+				 GEN12_DISABLE_GRF_CLEAR);
 
 		/* Wa_14010648519:dg2 */
-		wa_write_or(wal, XEHP_L3NODEARBCFG, XEHP_LNESPARE);
+		wa_mcr_write_or(wal, XEHP_L3NODEARBCFG, XEHP_LNESPARE);
 	}
 
 	if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_A0, STEP_C0) ||
 	    IS_DG2_G11(i915)) {
 		/* Wa_22012654132:dg2 */
-		wa_add(wal, GEN10_CACHE_MODE_SS, 0,
-		       _MASKED_BIT_ENABLE(ENABLE_PREFETCH_INTO_IC),
-		       0 /* write-only, so skip validation */,
-		       true);
+		wa_mcr_add(wal, GEN10_CACHE_MODE_SS, 0,
+			   _MASKED_BIT_ENABLE(ENABLE_PREFETCH_INTO_IC),
+			   0 /* write-only, so skip validation */,
+			   true);
 	}
 
 	/* Wa_14013202645:dg2 */
 	if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_B0, STEP_C0) ||
 	    IS_DG2_GRAPHICS_STEP(i915, G11, STEP_A0, STEP_B0))
-		wa_write_or(wal, RT_CTRL, DIS_NULL_QUERY);
+		wa_mcr_write_or(wal, RT_CTRL, DIS_NULL_QUERY);
 
 	/* Wa_22012532006:dg2 */
 	if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_A0, STEP_C0) ||
 	    IS_DG2_GRAPHICS_STEP(engine->i915, G11, STEP_A0, STEP_B0))
-		wa_masked_en(wal, GEN9_HALF_SLICE_CHICKEN7,
-			     DG2_DISABLE_ROUND_ENABLE_ALLOW_FOR_SSLA);
+		wa_mcr_masked_en(wal, GEN9_HALF_SLICE_CHICKEN7,
+				 DG2_DISABLE_ROUND_ENABLE_ALLOW_FOR_SSLA);
 
 	if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_A0, STEP_B0)) {
 		/* Wa_14010680813:dg2_g10 */
@@ -2158,7 +2208,7 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 	if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_A0, STEP_B0) ||
 	    IS_DG2_GRAPHICS_STEP(engine->i915, G11, STEP_A0, STEP_B0)) {
 		/* Wa_14012362059:dg2 */
-		wa_write_or(wal, XEHP_MERT_MOD_CTRL, FORCE_MISS_FTLB);
+		wa_mcr_write_or(wal, XEHP_MERT_MOD_CTRL, FORCE_MISS_FTLB);
 	}
 
 	if (IS_DG1_GRAPHICS_STEP(i915, STEP_A0, STEP_B0) ||
@@ -2185,7 +2235,7 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 	if (IS_ALDERLAKE_P(i915) || IS_ALDERLAKE_S(i915) || IS_DG1(i915) ||
 	    IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) {
 		/* Wa_1606931601:tgl,rkl,dg1,adl-s,adl-p */
-		wa_masked_en(wal, GEN8_ROW_CHICKEN2, GEN12_DISABLE_EARLY_READ);
+		wa_mcr_masked_en(wal, GEN8_ROW_CHICKEN2, GEN12_DISABLE_EARLY_READ);
 
 		/*
 		 * Wa_1407928979:tgl A*
@@ -2210,14 +2260,14 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 	    IS_DG1_GRAPHICS_STEP(i915, STEP_A0, STEP_B0) ||
 	    IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) {
 		/* Wa_1409804808:tgl,rkl,dg1[a0],adl-s,adl-p */
-		wa_masked_en(wal, GEN8_ROW_CHICKEN2,
-			     GEN12_PUSH_CONST_DEREF_HOLD_DIS);
+		wa_mcr_masked_en(wal, GEN8_ROW_CHICKEN2,
+				 GEN12_PUSH_CONST_DEREF_HOLD_DIS);
 
 		/*
 		 * Wa_1409085225:tgl
 		 * Wa_14010229206:tgl,rkl,dg1[a0],adl-s,adl-p
 		 */
-		wa_masked_en(wal, GEN9_ROW_CHICKEN4, GEN12_DISABLE_TDL_PUSH);
+		wa_mcr_masked_en(wal, GEN9_ROW_CHICKEN4, GEN12_DISABLE_TDL_PUSH);
 	}
 
 	if (IS_DG1_GRAPHICS_STEP(i915, STEP_A0, STEP_B0) ||
@@ -2241,9 +2291,9 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 	if (IS_DG1(i915) || IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915) ||
 	    IS_ALDERLAKE_S(i915) || IS_ALDERLAKE_P(i915)) {
 		/* Wa_1406941453:tgl,rkl,dg1,adl-s,adl-p */
-		wa_masked_en(wal,
-			     GEN10_SAMPLER_MODE,
-			     ENABLE_SMALLPL);
+		wa_mcr_masked_en(wal,
+				 GEN10_SAMPLER_MODE,
+				 ENABLE_SMALLPL);
 	}
 
 	if (GRAPHICS_VER(i915) == 11) {
@@ -2277,9 +2327,9 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 		 * Wa_1405733216:icl
 		 * Formerly known as WaDisableCleanEvicts
 		 */
-		wa_write_or(wal,
-			    GEN8_L3SQCREG4,
-			    GEN11_LQSC_CLEAN_EVICT_DISABLE);
+		wa_mcr_write_or(wal,
+				GEN8_L3SQCREG4,
+				GEN11_LQSC_CLEAN_EVICT_DISABLE);
 
 		/* Wa_1606682166:icl */
 		wa_write_or(wal,
@@ -2287,10 +2337,10 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 			    GEN7_DISABLE_SAMPLER_PREFETCH);
 
 		/* Wa_1409178092:icl */
-		wa_write_clr_set(wal,
-				 GEN11_SCRATCH2,
-				 GEN11_COHERENT_PARTIAL_WRITE_MERGE_ENABLE,
-				 0);
+		wa_mcr_write_clr_set(wal,
+				     GEN11_SCRATCH2,
+				     GEN11_COHERENT_PARTIAL_WRITE_MERGE_ENABLE,
+				     0);
 
 		/* WaEnable32PlaneMode:icl */
 		wa_masked_en(wal, GEN9_CSFE_CHICKEN1_RCS,
@@ -2348,30 +2398,30 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 			     GEN9_PREEMPT_GPGPU_SYNC_SWITCH_DISABLE);
 
 		/* WaEnableLbsSlaRetryTimerDecrement:skl,bxt,kbl,glk,cfl */
-		wa_write_or(wal,
-			    BDW_SCRATCH1,
-			    GEN9_LBS_SLA_RETRY_TIMER_DECREMENT_ENABLE);
+		wa_mcr_write_or(wal,
+				BDW_SCRATCH1,
+				GEN9_LBS_SLA_RETRY_TIMER_DECREMENT_ENABLE);
 
 		/* WaProgramL3SqcReg1DefaultForPerf:bxt,glk */
 		if (IS_GEN9_LP(i915))
-			wa_write_clr_set(wal,
-					 GEN8_L3SQCREG1,
-					 L3_PRIO_CREDITS_MASK,
-					 L3_GENERAL_PRIO_CREDITS(62) |
-					 L3_HIGH_PRIO_CREDITS(2));
+			wa_mcr_write_clr_set(wal,
+					     GEN8_L3SQCREG1,
+					     L3_PRIO_CREDITS_MASK,
+					     L3_GENERAL_PRIO_CREDITS(62) |
+					     L3_HIGH_PRIO_CREDITS(2));
 
 		/* WaOCLCoherentLineFlush:skl,bxt,kbl,cfl */
-		wa_write_or(wal,
-			    GEN8_L3SQCREG4,
-			    GEN8_LQSC_FLUSH_COHERENT_LINES);
+		wa_mcr_write_or(wal,
+				GEN8_L3SQCREG4,
+				GEN8_LQSC_FLUSH_COHERENT_LINES);
 
 		/* Disable atomics in L3 to prevent unrecoverable hangs */
 		wa_write_clr_set(wal, GEN9_SCRATCH_LNCF1,
 				 GEN9_LNCF_NONIA_COHERENT_ATOMICS_ENABLE, 0);
-		wa_write_clr_set(wal, GEN8_L3SQCREG4,
-				 GEN8_LQSQ_NONIA_COHERENT_ATOMICS_ENABLE, 0);
-		wa_write_clr_set(wal, GEN9_SCRATCH1,
-				 EVICTION_PERF_FIX_ENABLE, 0);
+		wa_mcr_write_clr_set(wal, GEN8_L3SQCREG4,
+				     GEN8_LQSQ_NONIA_COHERENT_ATOMICS_ENABLE, 0);
+		wa_mcr_write_clr_set(wal, GEN9_SCRATCH1,
+				     EVICTION_PERF_FIX_ENABLE, 0);
 	}
 
 	if (IS_HASWELL(i915)) {
@@ -2596,30 +2646,30 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li
 
 	if (IS_XEHPSDV(i915)) {
 		/* Wa_1409954639 */
-		wa_masked_en(wal,
-			     GEN8_ROW_CHICKEN,
-			     SYSTOLIC_DOP_CLOCK_GATING_DIS);
+		wa_mcr_masked_en(wal,
+				 GEN8_ROW_CHICKEN,
+				 SYSTOLIC_DOP_CLOCK_GATING_DIS);
 
 		/* Wa_1607196519 */
-		wa_masked_en(wal,
-			     GEN9_ROW_CHICKEN4,
-			     GEN12_DISABLE_GRF_CLEAR);
+		wa_mcr_masked_en(wal,
+				 GEN9_ROW_CHICKEN4,
+				 GEN12_DISABLE_GRF_CLEAR);
 
 		/* Wa_14010670810:xehpsdv */
-		wa_write_or(wal, XEHP_L3NODEARBCFG, XEHP_LNESPARE);
+		wa_mcr_write_or(wal, XEHP_L3NODEARBCFG, XEHP_LNESPARE);
 
 		/* Wa_14010449647:xehpsdv */
-		wa_masked_en(wal, GEN8_HALF_SLICE_CHICKEN1,
-			     GEN7_PSD_SINGLE_PORT_DISPATCH_ENABLE);
+		wa_mcr_masked_en(wal, GEN8_HALF_SLICE_CHICKEN1,
+				 GEN7_PSD_SINGLE_PORT_DISPATCH_ENABLE);
 
 		/* Wa_18011725039:xehpsdv */
 		if (IS_XEHPSDV_GRAPHICS_STEP(i915, STEP_A1, STEP_B0)) {
-			wa_masked_dis(wal, MLTICTXCTL, TDONRENDER);
-			wa_write_or(wal, L3SQCREG1_CCS0, FLUSHALLNONCOH);
+			wa_mcr_masked_dis(wal, MLTICTXCTL, TDONRENDER);
+			wa_mcr_write_or(wal, L3SQCREG1_CCS0, FLUSHALLNONCOH);
 		}
 
 		/* Wa_14012362059:xehpsdv */
-		wa_write_or(wal, XEHP_MERT_MOD_CTRL, FORCE_MISS_FTLB);
+		wa_mcr_write_or(wal, XEHP_MERT_MOD_CTRL, FORCE_MISS_FTLB);
 
 		/* Wa_14014368820:xehpsdv */
 		wa_write_or(wal, GEN12_GAMCNTRL_CTRL, INVALIDATION_BROADCAST_MODE_DIS |
@@ -2628,7 +2678,7 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li
 
 	if (IS_DG2(i915)) {
 		/* Wa_22014226127:dg2 */
-		wa_write_or(wal, LSC_CHICKEN_BIT_0, DISABLE_D8_D16_COASLESCE);
+		wa_mcr_write_or(wal, LSC_CHICKEN_BIT_0, DISABLE_D8_D16_COASLESCE);
 	}
 }
 
-- 
2.34.1



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