[PATCH 03/10] eng wa
Tvrtko Ursulin
tvrtko.ursulin at linux.intel.com
Wed Nov 28 19:28:36 UTC 2018
From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
---
drivers/gpu/drm/i915/intel_lrc.c | 4 +
drivers/gpu/drm/i915/intel_ringbuffer.h | 2 +
drivers/gpu/drm/i915/intel_workarounds.c | 268 +++++++++++++----------
drivers/gpu/drm/i915/intel_workarounds.h | 3 +
4 files changed, 160 insertions(+), 117 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 08fd9b12e4d7..1d724a1f848d 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1629,6 +1629,8 @@ static bool unexpected_starting_state(struct intel_engine_cs *engine)
static int gen8_init_common_ring(struct intel_engine_cs *engine)
{
+ intel_engine_workarounds_apply(engine);
+
intel_mocs_init_engine(engine);
intel_engine_reset_breadcrumbs(engine);
@@ -2326,6 +2328,8 @@ int logical_render_ring_init(struct intel_engine_cs *engine)
ret);
}
+ intel_engine_workarounds_init(engine);
+
return 0;
err_cleanup_common:
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 8a2270b209b0..c5ff3d31cab7 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -15,6 +15,7 @@
#include "i915_selftest.h"
#include "i915_timeline.h"
#include "intel_gpu_commands.h"
+#include "intel_workarounds.h"
struct drm_printer;
struct i915_sched_attr;
@@ -451,6 +452,7 @@ struct intel_engine_cs {
struct intel_hw_status_page status_page;
struct i915_ctx_workarounds wa_ctx;
+ struct i915_wa_list wa_list;
struct i915_vma *scratch;
u32 irq_keep_mask; /* always keep these interrupts */
diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c
index c6120e3b7cda..826c5b7280f0 100644
--- a/drivers/gpu/drm/i915/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/intel_workarounds.c
@@ -649,17 +649,6 @@ static void gen9_gt_workarounds_init(struct drm_i915_private *dev_priv)
{
struct i915_wa_list *wal = &dev_priv->gt_wa_list;
- /* WaContextSwitchWithConcurrentTLBInvalidate:skl,bxt,kbl,glk,cfl */
- wa_masked_en(wal,
- GEN9_CSFE_CHICKEN1_RCS,
- 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);
-
/* WaDisableKillLogic:bxt,skl,kbl */
if (!IS_COFFEELAKE(dev_priv))
wa_write_or(wal,
@@ -681,24 +670,6 @@ static void gen9_gt_workarounds_init(struct drm_i915_private *dev_priv)
wa_write_or(wal,
GAM_ECOCHK,
BDW_DISABLE_HDC_INVALIDATION);
-
- /* WaProgramL3SqcReg1DefaultForPerf:bxt,glk */
- if (IS_GEN9_LP(dev_priv))
- wa_write_masked_or(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);
-
- /* WaEnablePreemptionGranularityControlByUMD:skl,bxt,kbl,cfl,[cnl] */
- wa_masked_en(wal,
- GEN7_FF_SLICE_CS_CHICKEN1,
- GEN9_FFSC_PERCTX_PREEMPT_CTRL);
}
static void skl_gt_workarounds_init(struct drm_i915_private *dev_priv)
@@ -707,11 +678,6 @@ static void skl_gt_workarounds_init(struct drm_i915_private *dev_priv)
gen9_gt_workarounds_init(dev_priv);
- /* WaEnableGapsTsvCreditFix:skl */
- wa_write_or(wal,
- GEN8_GARBCNTL,
- GEN9_GAPS_TSV_CREDIT_DISABLE);
-
/* WaDisableGafsUnitClkGating:skl */
wa_write_or(wal,
GEN7_UCGCTL4,
@@ -730,11 +696,6 @@ static void bxt_gt_workarounds_init(struct drm_i915_private *dev_priv)
gen9_gt_workarounds_init(dev_priv);
- /* WaDisablePooledEuLoadBalancingFix:bxt */
- wa_masked_en(wal,
- FF_SLICE_CS_CHICKEN2,
- GEN9_POOLED_EU_LOAD_BALANCING_FIX_DISABLE);
-
/* WaInPlaceDecompressionHang:bxt */
wa_write_or(wal,
GEN9_GAMT_ECO_REG_RW_IA,
@@ -747,11 +708,6 @@ static void kbl_gt_workarounds_init(struct drm_i915_private *dev_priv)
gen9_gt_workarounds_init(dev_priv);
- /* WaEnableGapsTsvCreditFix:kbl */
- wa_write_or(wal,
- GEN8_GARBCNTL,
- GEN9_GAPS_TSV_CREDIT_DISABLE);
-
/* WaDisableDynamicCreditSharing:kbl */
if (IS_KBL_REVID(dev_priv, 0, KBL_REVID_B0))
wa_write_or(wal,
@@ -767,21 +723,6 @@ static void kbl_gt_workarounds_init(struct drm_i915_private *dev_priv)
wa_write_or(wal,
GEN9_GAMT_ECO_REG_RW_IA,
GAMT_ECO_ENABLE_IN_PLACE_DECOMPRESS);
-
- /* WaKBLVECSSemaphoreWaitPoll:kbl */
- if (IS_KBL_REVID(dev_priv, KBL_REVID_A0, KBL_REVID_E0)) {
- struct intel_engine_cs *engine;
- unsigned int tmp;
-
- for_each_engine(engine, dev_priv, tmp) {
- if (engine->id == RCS)
- continue;
-
- wa_write(wal,
- RING_SEMA_WAIT_POLL(engine->mmio_base),
- 1);
- }
- }
}
static void glk_gt_workarounds_init(struct drm_i915_private *dev_priv)
@@ -795,11 +736,6 @@ static void cfl_gt_workarounds_init(struct drm_i915_private *dev_priv)
gen9_gt_workarounds_init(dev_priv);
- /* WaEnableGapsTsvCreditFix:cfl */
- wa_write_or(wal,
- GEN8_GARBCNTL,
- GEN9_GAPS_TSV_CREDIT_DISABLE);
-
/* WaDisableGafsUnitClkGating:cfl */
wa_write_or(wal,
GEN7_UCGCTL4,
@@ -890,11 +826,6 @@ static void cnl_gt_workarounds_init(struct drm_i915_private *dev_priv)
wa_write_or(wal,
GEN9_GAMT_ECO_REG_RW_IA,
GAMT_ECO_ENABLE_IN_PLACE_DECOMPRESS);
-
- /* WaEnablePreemptionGranularityControlByUMD:cnl */
- wa_masked_en(wal,
- GEN7_FF_SLICE_CS_CHICKEN1,
- GEN9_FFSC_PERCTX_PREEMPT_CTRL);
}
static void icl_gt_workarounds_init(struct drm_i915_private *dev_priv)
@@ -903,53 +834,17 @@ static void icl_gt_workarounds_init(struct drm_i915_private *dev_priv)
wa_init_mcr(dev_priv);
- /* This is not an Wa. Enable for better image quality */
- wa_masked_en(wal,
- _3D_CHICKEN3,
- _3D_CHICKEN3_AA_LINE_QUALITY_FIX_ENABLE);
-
/* WaInPlaceDecompressionHang:icl */
wa_write_or(wal,
GEN9_GAMT_ECO_REG_RW_IA,
GAMT_ECO_ENABLE_IN_PLACE_DECOMPRESS);
- /* WaPipelineFlushCoherentLines:icl */
- wa_write_or(wal,
- GEN8_L3SQCREG4,
- GEN8_LQSC_FLUSH_COHERENT_LINES);
-
- /* Wa_1405543622:icl
- * Formerly known as WaGAPZPriorityScheme
- */
- wa_write_or(wal,
- GEN8_GARBCNTL,
- GEN11_ARBITRATION_PRIO_ORDER_MASK);
-
- /* Wa_1604223664:icl
- * Formerly known as WaL3BankAddressHashing
- */
- wa_write_masked_or(wal,
- GEN8_GARBCNTL,
- GEN11_HASH_CTRL_EXCL_MASK,
- GEN11_HASH_CTRL_EXCL_BIT0);
- wa_write_masked_or(wal,
- GEN11_GLBLINVL,
- GEN11_BANK_HASH_ADDR_EXCL_MASK,
- GEN11_BANK_HASH_ADDR_EXCL_BIT0);
-
/* WaModifyGamTlbPartitioning:icl */
wa_write_masked_or(wal,
GEN11_GACB_PERF_CTRL,
GEN11_HASH_CTRL_MASK,
GEN11_HASH_CTRL_BIT0 | GEN11_HASH_CTRL_BIT4);
- /* Wa_1405733216:icl
- * Formerly known as WaDisableCleanEvicts
- */
- wa_write_or(wal,
- GEN8_L3SQCREG4,
- GEN11_LQSC_CLEAN_EVICT_DISABLE);
-
/* Wa_1405766107:icl
* Formerly known as WaCL2SFHalfMaxAlloc
*/
@@ -976,24 +871,12 @@ static void icl_gt_workarounds_init(struct drm_i915_private *dev_priv)
SUBSLICE_UNIT_LEVEL_CLKGATE,
GWUNIT_CLKGATE_DIS);
- /* Wa_1604302699:icl */
- wa_write_or(wal,
- GEN10_L3_CHICKEN_MODE_REGISTER,
- GEN11_I2M_WRITE_DISABLE);
-
/* Wa_1406838659:icl (pre-prod) */
if (IS_ICL_REVID(dev_priv, ICL_REVID_A0, ICL_REVID_B0))
wa_write_or(wal,
INF_UNIT_LEVEL_CLKGATE,
CGPSF_CLKGATE_DIS);
- /* WaForwardProgressSoftReset:icl */
- wa_write_or(wal,
- GEN10_SCRATCH_LNCF2,
- PMFLUSHDONE_LNICRSDROP |
- PMFLUSH_GAPL3UNBLOCK |
- PMFLUSHDONE_LNEBLK);
-
/* Wa_1406463099:icl
* Formerly known as WaGamTlbPendError
*/
@@ -1297,6 +1180,157 @@ void intel_whitelist_workarounds_apply(struct intel_engine_cs *engine)
whitelist_apply(engine, whitelist_build(engine, &w));
}
+static void rcs_engine_wa_init(struct intel_engine_cs *engine)
+{
+ struct drm_i915_private *i915 = engine->i915;
+ struct i915_wa_list *wal = &engine->wa_list;
+
+ if (IS_GEN9(i915)) {
+ /* WaContextSwitchWithConcurrentTLBInvalidate:skl,bxt,kbl,glk,cfl */
+ wa_masked_en(wal,
+ GEN9_CSFE_CHICKEN1_RCS,
+ 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);
+
+ /* WaProgramL3SqcReg1DefaultForPerf:bxt,glk */
+ if (IS_GEN9_LP(i915))
+ wa_write_masked_or(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);
+ }
+
+ if (IS_BROXTON(i915)) {
+ /* WaDisablePooledEuLoadBalancingFix:bxt */
+ wa_masked_en(wal,
+ FF_SLICE_CS_CHICKEN2,
+ GEN9_POOLED_EU_LOAD_BALANCING_FIX_DISABLE);
+ }
+
+ if (IS_SKYLAKE(i915) || IS_KABYLAKE(i915) || IS_COFFEELAKE(i915)) {
+ /* WaEnableGapsTsvCreditFix:skl,kbl,cfl */
+ wa_write_or(wal,
+ GEN8_GARBCNTL,
+ GEN9_GAPS_TSV_CREDIT_DISABLE);
+ }
+
+ if (IS_GEN9(i915) || IS_CANNONLAKE(i915)) {
+ /* WaEnablePreemptionGranularityControlByUMD:skl,bxt,kbl,cfl,cnl */
+ wa_masked_en(wal,
+ GEN7_FF_SLICE_CS_CHICKEN1,
+ GEN9_FFSC_PERCTX_PREEMPT_CTRL);
+ }
+
+ if (IS_ICELAKE(i915)) {
+ /* This is not an Wa. Enable for better image quality */
+ wa_masked_en(wal,
+ _3D_CHICKEN3,
+ _3D_CHICKEN3_AA_LINE_QUALITY_FIX_ENABLE);
+
+ /* WaPipelineFlushCoherentLines:icl */
+ wa_write_or(wal,
+ GEN8_L3SQCREG4,
+ GEN8_LQSC_FLUSH_COHERENT_LINES);
+
+ /*
+ * Wa_1405543622:icl
+ * Formerly known as WaGAPZPriorityScheme
+ */
+ wa_write_or(wal,
+ GEN8_GARBCNTL,
+ GEN11_ARBITRATION_PRIO_ORDER_MASK);
+
+ /*
+ * Wa_1604223664:icl
+ * Formerly known as WaL3BankAddressHashing
+ */
+ wa_write_masked_or(wal,
+ GEN8_GARBCNTL,
+ GEN11_HASH_CTRL_EXCL_MASK,
+ GEN11_HASH_CTRL_EXCL_BIT0);
+ wa_write_masked_or(wal,
+ GEN11_GLBLINVL,
+ GEN11_BANK_HASH_ADDR_EXCL_MASK,
+ GEN11_BANK_HASH_ADDR_EXCL_BIT0);
+
+ /*
+ * Wa_1405733216:icl
+ * Formerly known as WaDisableCleanEvicts
+ */
+ wa_write_or(wal,
+ GEN8_L3SQCREG4,
+ GEN11_LQSC_CLEAN_EVICT_DISABLE);
+
+ /* Wa_1604302699:icl */
+ wa_write_or(wal,
+ GEN10_L3_CHICKEN_MODE_REGISTER,
+ GEN11_I2M_WRITE_DISABLE);
+
+ /* WaForwardProgressSoftReset:icl */
+ wa_write_or(wal,
+ GEN10_SCRATCH_LNCF2,
+ PMFLUSHDONE_LNICRSDROP |
+ PMFLUSH_GAPL3UNBLOCK |
+ PMFLUSHDONE_LNEBLK);
+ }
+}
+
+static void xcs_engine_wa_init(struct intel_engine_cs *engine)
+{
+ struct drm_i915_private *i915 = engine->i915;
+ struct i915_wa_list *wal = &engine->wa_list;
+
+ if (IS_KABYLAKE(i915)) {
+ /* WaKBLVECSSemaphoreWaitPoll:kbl */
+ if (IS_KBL_REVID(i915, KBL_REVID_A0, KBL_REVID_E0)) {
+ struct intel_engine_cs *engine;
+ unsigned int tmp;
+
+ for_each_engine(engine, i915, tmp) {
+ if (engine->id == RCS)
+ continue;
+
+ wa_write(wal,
+ RING_SEMA_WAIT_POLL(engine->mmio_base),
+ 1);
+ }
+ }
+ }
+}
+
+void intel_engine_workarounds_init(struct intel_engine_cs *engine)
+{
+ struct i915_wa_list *wal = &engine->wa_list;
+
+ if (GEM_WARN_ON(INTEL_GEN(engine->i915) < 8))
+ return;
+
+ wal->name = engine->name;
+
+ if (engine->id == RCS)
+ rcs_engine_wa_init(engine);
+ else
+ xcs_engine_wa_init(engine);
+
+ DRM_DEBUG_DRIVER("Initialized %u %s workarounds\n",
+ wal->count, wal->name);
+}
+
+void intel_engine_workarounds_apply(struct intel_engine_cs *engine)
+{
+ wa_list_apply(engine->i915, &engine->wa_list);
+}
+
#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
#include "selftests/intel_workarounds.c"
#endif
diff --git a/drivers/gpu/drm/i915/intel_workarounds.h b/drivers/gpu/drm/i915/intel_workarounds.h
index 0d2ba043b7d1..7e77fdc4d1a3 100644
--- a/drivers/gpu/drm/i915/intel_workarounds.h
+++ b/drivers/gpu/drm/i915/intel_workarounds.h
@@ -36,4 +36,7 @@ void intel_gt_workarounds_verify(struct drm_i915_private *dev_priv,
void intel_whitelist_workarounds_apply(struct intel_engine_cs *engine);
+void intel_engine_workarounds_init(struct intel_engine_cs *engine);
+void intel_engine_workarounds_apply(struct intel_engine_cs *engine);
+
#endif
--
2.19.1
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