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drm/i915/gt: Add MCR-specific workaround initializers

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

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221014230239.1023689-12-matthew.d.roper@intel.com
This commit is contained in:
Matt Roper
2022-10-14 16:02:36 -07:00
parent cf35f6afb9
commit 9e49bda902
2 changed files with 263 additions and 174 deletions
Download Patch File Download Diff File Expand all files Collapse all files

433
drivers/gpu/drm/i915/gt/intel_workarounds.c
View File

@@ -166,12 +166,33 @@ 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,
.is_mcr = 1,
};
_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 +205,24 @@ 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 +240,24 @@ 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)
@@ -220,6 +265,13 @@ wa_masked_field_set(struct i915_wa_list *wal, i915_reg_t reg,
wa_add(wal, reg, 0, _MASKED_FIELD(mask, val), mask, true);
}
static void
wa_mcr_masked_field_set(struct i915_wa_list *wal, i915_reg_t reg,
u32 mask, u32 val)
{
wa_mcr_add(wal, reg, 0, _MASKED_FIELD(mask, val), mask, true);
}
static void gen6_ctx_workarounds_init(struct intel_engine_cs *engine,
struct i915_wa_list *wal)
{
@@ -241,8 +293,8 @@ 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,
PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE);
wa_mcr_masked_en(wal, GEN8_ROW_CHICKEN,
PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE);
/* Use Force Non-Coherent whenever executing a 3D context. This is a
* workaround for a possible hang in the unlikely event a TLB
@@ -288,18 +340,18 @@ 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 +366,7 @@ 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 +385,21 @@ 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 +408,8 @@ 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 +438,11 @@ 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 +521,8 @@ 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 +542,8 @@ 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 +566,8 @@ 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 +586,13 @@ 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 +600,8 @@ 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 +610,7 @@ 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);
}
/*
@@ -569,13 +621,13 @@ static void dg2_ctx_gt_tuning_init(struct intel_engine_cs *engine,
struct i915_wa_list *wal)
{
wa_masked_en(wal, CHICKEN_RASTER_2, TBIMR_FAST_CLIP);
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);
}
/*
@@ -664,27 +716,27 @@ 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) ||
@@ -1264,9 +1316,9 @@ 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) ||
@@ -1279,7 +1331,7 @@ 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);
}
/*
@@ -1313,7 +1365,7 @@ 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
@@ -1325,9 +1377,9 @@ 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))
@@ -1356,9 +1408,9 @@ 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. */
@@ -1375,7 +1427,7 @@ 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))
@@ -1455,8 +1507,8 @@ 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)) {
@@ -1467,7 +1519,7 @@ 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 |
@@ -1503,21 +1555,21 @@ 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);
/* Wa_14015795083 */
wa_write_clr(wal, GEN8_MISCCPCTL, GEN12_DOP_CLOCK_GATE_RENDER_ENABLE);
wa_mcr_write_clr(wal, GEN8_MISCCPCTL, GEN12_DOP_CLOCK_GATE_RENDER_ENABLE);
}
static void
@@ -1526,7 +1578,7 @@ pvc_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
pvc_init_mcr(gt, wal);
/* Wa_14015795083 */
wa_write_clr(wal, GEN8_MISCCPCTL, GEN12_DOP_CLOCK_GATE_RENDER_ENABLE);
wa_mcr_write_clr(wal, GEN8_MISCCPCTL, GEN12_DOP_CLOCK_GATE_RENDER_ENABLE);
}
static void
@@ -1638,14 +1690,25 @@ wa_list_apply(struct intel_gt *gt, const struct i915_wa_list *wal)
u32 val, old = 0;
/* open-coded rmw due to steering */
old = wa->clr ? intel_gt_mcr_read_any_fw(gt, wa->reg) : 0;
if (wa->clr)
old = wa->is_mcr ?
intel_gt_mcr_read_any_fw(gt, wa->reg) :
intel_uncore_read_fw(uncore, wa->reg);
val = (old & ~wa->clr) | wa->set;
if (val != old || !wa->clr)
intel_uncore_write_fw(uncore, wa->reg, val);
if (val != old || !wa->clr) {
if (wa->is_mcr)
intel_gt_mcr_multicast_write_fw(gt, wa->reg, val);
else
intel_uncore_write_fw(uncore, wa->reg, val);
}
if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM))
wa_verify(wa, intel_gt_mcr_read_any_fw(gt, wa->reg),
wal->name, "application");
if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM)) {
u32 val = wa->is_mcr ?
intel_gt_mcr_read_any_fw(gt, wa->reg) :
intel_uncore_read_fw(uncore, wa->reg);
wa_verify(wa, val, wal->name, "application");
}
}
intel_uncore_forcewake_put__locked(uncore, fw);
@@ -1674,8 +1737,9 @@ static bool wa_list_verify(struct intel_gt *gt,
intel_uncore_forcewake_get__locked(uncore, fw);
for (i = 0, wa = wal->list; i < wal->count; i++, wa++)
ok &= wa_verify(wa,
intel_gt_mcr_read_any_fw(gt, wa->reg),
ok &= wa_verify(wa, wa->is_mcr ?
intel_gt_mcr_read_any_fw(gt, wa->reg) :
intel_uncore_read_fw(uncore, wa->reg),
wal->name, from);
intel_uncore_forcewake_put__locked(uncore, fw);
@@ -1721,12 +1785,36 @@ whitelist_reg_ext(struct i915_wa_list *wal, i915_reg_t reg, u32 flags)
_wa_add(wal, &wa);
}
static void
whitelist_mcr_reg_ext(struct i915_wa_list *wal, i915_reg_t reg, u32 flags)
{
struct i915_wa wa = {
.reg = reg,
.is_mcr = 1,
};
if (GEM_DEBUG_WARN_ON(wal->count >= RING_MAX_NONPRIV_SLOTS))
return;
if (GEM_DEBUG_WARN_ON(!is_nonpriv_flags_valid(flags)))
return;
wa.reg.reg |= flags;
_wa_add(wal, &wa);
}
static void
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_mcr_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 */
@@ -1752,7 +1840,7 @@ 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)
@@ -1773,7 +1861,7 @@ 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)
@@ -1838,10 +1926,10 @@ 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);
@@ -2117,21 +2205,21 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
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);
}
if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_B0, STEP_FOREVER) ||
IS_DG2_G11(i915) || IS_DG2_G12(i915)) {
/* Wa_1509727124:dg2 */
wa_masked_en(wal, GEN10_SAMPLER_MODE,
SC_DISABLE_POWER_OPTIMIZATION_EBB);
wa_mcr_masked_en(wal, GEN10_SAMPLER_MODE,
SC_DISABLE_POWER_OPTIMIZATION_EBB);
}
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,
GEN12_DISABLE_HDR_PAST_PAYLOAD_HOLD_FIX);
wa_mcr_masked_en(wal, GEN9_ROW_CHICKEN4,
GEN12_DISABLE_HDR_PAST_PAYLOAD_HOLD_FIX);
}
if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_B0, STEP_C0) ||
@@ -2140,13 +2228,13 @@ 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 */
@@ -2159,19 +2247,19 @@ 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,
GEN12_DISABLE_READ_SUPPRESSION);
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)) {
@@ -2179,8 +2267,8 @@ 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,
MDQ_ARBITRATION_MODE | UGM_BACKUP_MODE);
wa_mcr_masked_en(wal, GEN8_ROW_CHICKEN,
MDQ_ARBITRATION_MODE | UGM_BACKUP_MODE);
/*
* Wa_14010918519:dg2_g10
@@ -2188,31 +2276,31 @@ 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);
}
/* 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 */
@@ -2223,17 +2311,16 @@ 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_DG2_GRAPHICS_STEP(i915, G11, STEP_B0, STEP_FOREVER) ||
IS_DG2_G10(i915)) {
/* Wa_22014600077:dg2 */
wa_add(wal, GEN10_CACHE_MODE_SS, 0,
_MASKED_BIT_ENABLE(ENABLE_EU_COUNT_FOR_TDL_FLUSH),
0 /* Wa_14012342262 :write-only reg, so skip
verification */,
true);
wa_mcr_add(wal, GEN10_CACHE_MODE_SS, 0,
_MASKED_BIT_ENABLE(ENABLE_EU_COUNT_FOR_TDL_FLUSH),
0 /* Wa_14012342262 write-only reg, so skip verification */,
true);
}
if (IS_DG1_GRAPHICS_STEP(i915, STEP_A0, STEP_B0) ||
@@ -2260,7 +2347,7 @@ 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*
@@ -2289,14 +2376,14 @@ 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) ||
@@ -2320,9 +2407,9 @@ 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) {
@@ -2356,9 +2443,9 @@ 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,
@@ -2366,10 +2453,10 @@ 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,
@@ -2479,30 +2566,30 @@ 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)) {
@@ -2716,7 +2803,7 @@ ccs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
{
if (IS_PVC_CT_STEP(engine->i915, STEP_A0, STEP_C0)) {
/* Wa_14014999345:pvc */
wa_masked_en(wal, GEN10_CACHE_MODE_SS, DISABLE_ECC);
wa_mcr_masked_en(wal, GEN10_CACHE_MODE_SS, DISABLE_ECC);
}
}
@@ -2742,8 +2829,8 @@ add_render_compute_tuning_settings(struct drm_i915_private *i915,
}
if (IS_DG2(i915)) {
wa_write_or(wal, XEHP_L3SCQREG7, BLEND_FILL_CACHING_OPT_DIS);
wa_write_clr_set(wal, RT_CTRL, STACKID_CTRL, STACKID_CTRL_512);
wa_mcr_write_or(wal, XEHP_L3SCQREG7, BLEND_FILL_CACHING_OPT_DIS);
wa_mcr_write_clr_set(wal, RT_CTRL, STACKID_CTRL, STACKID_CTRL_512);
/*
* This is also listed as Wa_22012654132 for certain DG2
@@ -2754,10 +2841,10 @@ add_render_compute_tuning_settings(struct drm_i915_private *i915,
* back for verification on DG2 (due to Wa_14012342262), so
* we need to explicitly skip the readback.
*/
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);
}
/*
@@ -2766,8 +2853,8 @@ add_render_compute_tuning_settings(struct drm_i915_private *i915,
* platforms.
*/
if (INTEL_INFO(i915)->tuning_thread_rr_after_dep)
wa_masked_field_set(wal, GEN9_ROW_CHICKEN4, THREAD_EX_ARB_MODE,
THREAD_EX_ARB_MODE_RR_AFTER_DEP);
wa_mcr_masked_field_set(wal, GEN9_ROW_CHICKEN4, THREAD_EX_ARB_MODE,
THREAD_EX_ARB_MODE_RR_AFTER_DEP);
}
/*
@@ -2793,30 +2880,30 @@ 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 |
@@ -2825,19 +2912,19 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li
if (IS_DG2(i915) || IS_PONTEVECCHIO(i915)) {
/* Wa_14015227452:dg2,pvc */
wa_masked_en(wal, GEN9_ROW_CHICKEN4, XEHP_DIS_BBL_SYSPIPE);
wa_mcr_masked_en(wal, GEN9_ROW_CHICKEN4, XEHP_DIS_BBL_SYSPIPE);
/* Wa_22014226127:dg2,pvc */
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);
/* Wa_16015675438:dg2,pvc */
wa_masked_en(wal, FF_SLICE_CS_CHICKEN2, GEN12_PERF_FIX_BALANCING_CFE_DISABLE);
/* Wa_18018781329:dg2,pvc */
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(i915)) {
@@ -2845,7 +2932,7 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li
* Wa_16011620976:dg2_g11
* Wa_22015475538:dg2
*/
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);
}
}

4
drivers/gpu/drm/i915/gt/intel_workarounds_types.h
View File

@@ -15,7 +15,9 @@ struct i915_wa {
u32 clr;
u32 set;
u32 read;
bool masked_reg;
u32 masked_reg:1;
u32 is_mcr:1;
};
struct i915_wa_list {