From: Matt Roper <matthew.d.roper@intel.com> To: intel-gfx@lists.freedesktop.org Cc: Stuart Summers <stuart.summers@intel.com>, dri-devel@lists.freedesktop.org Subject: [PATCH 2/2] drm/i915/pvc: Add initial PVC workarounds Date: Fri, 27 May 2022 09:33:48 -0700 [thread overview] Message-ID: <20220527163348.1936146-3-matthew.d.roper@intel.com> (raw) In-Reply-To: <20220527163348.1936146-1-matthew.d.roper@intel.com> From: Stuart Summers <stuart.summers@intel.com> Bspec: 64027 Signed-off-by: Stuart Summers <stuart.summers@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> --- drivers/gpu/drm/i915/gt/intel_engine_regs.h | 5 +- drivers/gpu/drm/i915/gt/intel_gt_regs.h | 3 +- drivers/gpu/drm/i915/gt/intel_workarounds.c | 61 ++++++++++++++++++--- drivers/gpu/drm/i915/intel_pm.c | 16 +++++- 4 files changed, 73 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_engine_regs.h b/drivers/gpu/drm/i915/gt/intel_engine_regs.h index 75a0c55c5aa5..44de10cf7837 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_regs.h +++ b/drivers/gpu/drm/i915/gt/intel_engine_regs.h @@ -196,6 +196,7 @@ #define RING_CTX_TIMESTAMP(base) _MMIO((base) + 0x3a8) /* gen8+ */ #define RING_PREDICATE_RESULT(base) _MMIO((base) + 0x3b8) #define RING_FORCE_TO_NONPRIV(base, i) _MMIO(((base) + 0x4D0) + (i) * 4) +#define RING_FORCE_TO_NONPRIV_DENY REG_BIT(30) #define RING_FORCE_TO_NONPRIV_ADDRESS_MASK REG_GENMASK(25, 2) #define RING_FORCE_TO_NONPRIV_ACCESS_RW (0 << 28) /* CFL+ & Gen11+ */ #define RING_FORCE_TO_NONPRIV_ACCESS_RD (1 << 28) @@ -208,7 +209,9 @@ #define RING_FORCE_TO_NONPRIV_RANGE_64 (3 << 0) #define RING_FORCE_TO_NONPRIV_RANGE_MASK (3 << 0) #define RING_FORCE_TO_NONPRIV_MASK_VALID \ - (RING_FORCE_TO_NONPRIV_RANGE_MASK | RING_FORCE_TO_NONPRIV_ACCESS_MASK) + (RING_FORCE_TO_NONPRIV_RANGE_MASK | \ + RING_FORCE_TO_NONPRIV_ACCESS_MASK | \ + RING_FORCE_TO_NONPRIV_DENY) #define RING_MAX_NONPRIV_SLOTS 12 #define RING_EXECLIST_SQ_CONTENTS(base) _MMIO((base) + 0x510) diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h index b4642dcc192f..58e9b464d564 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h @@ -1070,8 +1070,9 @@ #define GEN10_CACHE_MODE_SS _MMIO(0xe420) #define ENABLE_EU_COUNT_FOR_TDL_FLUSH REG_BIT(10) -#define ENABLE_PREFETCH_INTO_IC REG_BIT(3) +#define DISABLE_ECC REG_BIT(5) #define FLOAT_BLEND_OPTIMIZATION_ENABLE REG_BIT(4) +#define ENABLE_PREFETCH_INTO_IC REG_BIT(3) #define EU_PERF_CNTL0 _MMIO(0xe458) #define EU_PERF_CNTL4 _MMIO(0xe45c) diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 73b59ea6fd3b..a604bc7c0701 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -776,7 +776,9 @@ __intel_engine_init_ctx_wa(struct intel_engine_cs *engine, if (engine->class != RENDER_CLASS) goto done; - if (IS_DG2(i915)) + if (IS_PONTEVECCHIO(i915)) + ; /* noop; none at this time */ + else if (IS_DG2(i915)) dg2_ctx_workarounds_init(engine, wal); else if (IS_XEHPSDV(i915)) ; /* noop; none at this time */ @@ -1494,7 +1496,9 @@ gt_init_workarounds(struct intel_gt *gt, struct i915_wa_list *wal) { struct drm_i915_private *i915 = gt->i915; - if (IS_DG2(i915)) + if (IS_PONTEVECCHIO(i915)) + ; /* none yet */ + else if (IS_DG2(i915)) dg2_gt_workarounds_init(gt, wal); else if (IS_XEHPSDV(i915)) xehpsdv_gt_workarounds_init(gt, wal); @@ -1924,6 +1928,32 @@ static void dg2_whitelist_build(struct intel_engine_cs *engine) } } +static void blacklist_trtt(struct intel_engine_cs *engine) +{ + struct i915_wa_list *w = &engine->whitelist; + + /* + * Prevent read/write access to [0x4400, 0x4600) which covers + * the TRTT range across all engines. Note that normally userspace + * cannot access the other engines' trtt control, but for simplicity + * we cover the entire range on each engine. + */ + whitelist_reg_ext(w, _MMIO(0x4400), + RING_FORCE_TO_NONPRIV_DENY | + RING_FORCE_TO_NONPRIV_RANGE_64); + whitelist_reg_ext(w, _MMIO(0x4500), + RING_FORCE_TO_NONPRIV_DENY | + RING_FORCE_TO_NONPRIV_RANGE_64); +} + +static void pvc_whitelist_build(struct intel_engine_cs *engine) +{ + allow_read_ctx_timestamp(engine); + + /* Wa_16014440446:pvc */ + blacklist_trtt(engine); +} + void intel_engine_init_whitelist(struct intel_engine_cs *engine) { struct drm_i915_private *i915 = engine->i915; @@ -1931,7 +1961,9 @@ void intel_engine_init_whitelist(struct intel_engine_cs *engine) wa_init_start(w, "whitelist", engine->name); - if (IS_DG2(i915)) + if (IS_PONTEVECCHIO(i915)) + pvc_whitelist_build(engine); + else if (IS_DG2(i915)) dg2_whitelist_build(engine); else if (IS_XEHPSDV(i915)) xehpsdv_whitelist_build(engine); @@ -2041,9 +2073,6 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) struct drm_i915_private *i915 = engine->i915; if (IS_DG2(i915)) { - /* Wa_14015227452:dg2 */ - wa_masked_en(wal, GEN9_ROW_CHICKEN4, XEHP_DIS_BBL_SYSPIPE); - /* Wa_1509235366:dg2 */ wa_write_or(wal, GEN12_GAMCNTRL_CTRL, INVALIDATION_BROADCAST_MODE_DIS | GLOBAL_INVALIDATION_MODE); @@ -2611,6 +2640,15 @@ xcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) } } +static void +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); + } +} + /* * The workarounds in this function apply to shared registers in * the general render reset domain that aren't tied to a @@ -2657,8 +2695,11 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li GLOBAL_INVALIDATION_MODE); } - if (IS_DG2(i915)) { - /* Wa_22014226127:dg2 */ + if (IS_DG2(i915) || IS_PONTEVECCHIO(i915)) { + /* Wa_14015227452:dg2,pvc */ + wa_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); } } @@ -2679,7 +2720,9 @@ engine_init_workarounds(struct intel_engine_cs *engine, struct i915_wa_list *wal if (engine->flags & I915_ENGINE_FIRST_RENDER_COMPUTE) general_render_compute_wa_init(engine, wal); - if (engine->class == RENDER_CLASS) + if (engine->class == COMPUTE_CLASS) + ccs_engine_wa_init(engine, wal); + else if (engine->class == RENDER_CLASS) rcs_engine_wa_init(engine, wal); else xcs_engine_wa_init(engine, wal); diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 42db41c8e3b3..7a3f023d39e9 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -7526,6 +7526,17 @@ static void dg2_init_clock_gating(struct drm_i915_private *i915) SGR_DIS | SGGI_DIS); } +static void pvc_init_clock_gating(struct drm_i915_private *dev_priv) +{ + /* Wa_14012385139:pvc */ + if (IS_PVC_BD_STEP(dev_priv, STEP_A0, STEP_B0)) + intel_uncore_rmw(&dev_priv->uncore, XEHP_CLOCK_GATE_DIS, 0, SGR_DIS); + + /* Wa_22010954014:pvc */ + if (IS_PVC_BD_STEP(dev_priv, STEP_A0, STEP_B0)) + intel_uncore_rmw(&dev_priv->uncore, XEHP_CLOCK_GATE_DIS, 0, SGSI_SIDECLK_DIS); +} + static void cnp_init_clock_gating(struct drm_i915_private *dev_priv) { if (!HAS_PCH_CNP(dev_priv)) @@ -7942,6 +7953,7 @@ static const struct drm_i915_clock_gating_funcs platform##_clock_gating_funcs = .init_clock_gating = platform##_init_clock_gating, \ } +CG_FUNCS(pvc); CG_FUNCS(dg2); CG_FUNCS(xehpsdv); CG_FUNCS(adlp); @@ -7980,7 +7992,9 @@ CG_FUNCS(nop); */ void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv) { - if (IS_DG2(dev_priv)) + if (IS_PONTEVECCHIO(dev_priv)) + dev_priv->clock_gating_funcs = &pvc_clock_gating_funcs; + else if (IS_DG2(dev_priv)) dev_priv->clock_gating_funcs = &dg2_clock_gating_funcs; else if (IS_XEHPSDV(dev_priv)) dev_priv->clock_gating_funcs = &xehpsdv_clock_gating_funcs; -- 2.35.3
WARNING: multiple messages have this Message-ID (diff)
From: Matt Roper <matthew.d.roper@intel.com> To: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Subject: [Intel-gfx] [PATCH 2/2] drm/i915/pvc: Add initial PVC workarounds Date: Fri, 27 May 2022 09:33:48 -0700 [thread overview] Message-ID: <20220527163348.1936146-3-matthew.d.roper@intel.com> (raw) In-Reply-To: <20220527163348.1936146-1-matthew.d.roper@intel.com> From: Stuart Summers <stuart.summers@intel.com> Bspec: 64027 Signed-off-by: Stuart Summers <stuart.summers@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> --- drivers/gpu/drm/i915/gt/intel_engine_regs.h | 5 +- drivers/gpu/drm/i915/gt/intel_gt_regs.h | 3 +- drivers/gpu/drm/i915/gt/intel_workarounds.c | 61 ++++++++++++++++++--- drivers/gpu/drm/i915/intel_pm.c | 16 +++++- 4 files changed, 73 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_engine_regs.h b/drivers/gpu/drm/i915/gt/intel_engine_regs.h index 75a0c55c5aa5..44de10cf7837 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_regs.h +++ b/drivers/gpu/drm/i915/gt/intel_engine_regs.h @@ -196,6 +196,7 @@ #define RING_CTX_TIMESTAMP(base) _MMIO((base) + 0x3a8) /* gen8+ */ #define RING_PREDICATE_RESULT(base) _MMIO((base) + 0x3b8) #define RING_FORCE_TO_NONPRIV(base, i) _MMIO(((base) + 0x4D0) + (i) * 4) +#define RING_FORCE_TO_NONPRIV_DENY REG_BIT(30) #define RING_FORCE_TO_NONPRIV_ADDRESS_MASK REG_GENMASK(25, 2) #define RING_FORCE_TO_NONPRIV_ACCESS_RW (0 << 28) /* CFL+ & Gen11+ */ #define RING_FORCE_TO_NONPRIV_ACCESS_RD (1 << 28) @@ -208,7 +209,9 @@ #define RING_FORCE_TO_NONPRIV_RANGE_64 (3 << 0) #define RING_FORCE_TO_NONPRIV_RANGE_MASK (3 << 0) #define RING_FORCE_TO_NONPRIV_MASK_VALID \ - (RING_FORCE_TO_NONPRIV_RANGE_MASK | RING_FORCE_TO_NONPRIV_ACCESS_MASK) + (RING_FORCE_TO_NONPRIV_RANGE_MASK | \ + RING_FORCE_TO_NONPRIV_ACCESS_MASK | \ + RING_FORCE_TO_NONPRIV_DENY) #define RING_MAX_NONPRIV_SLOTS 12 #define RING_EXECLIST_SQ_CONTENTS(base) _MMIO((base) + 0x510) diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h index b4642dcc192f..58e9b464d564 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h @@ -1070,8 +1070,9 @@ #define GEN10_CACHE_MODE_SS _MMIO(0xe420) #define ENABLE_EU_COUNT_FOR_TDL_FLUSH REG_BIT(10) -#define ENABLE_PREFETCH_INTO_IC REG_BIT(3) +#define DISABLE_ECC REG_BIT(5) #define FLOAT_BLEND_OPTIMIZATION_ENABLE REG_BIT(4) +#define ENABLE_PREFETCH_INTO_IC REG_BIT(3) #define EU_PERF_CNTL0 _MMIO(0xe458) #define EU_PERF_CNTL4 _MMIO(0xe45c) diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 73b59ea6fd3b..a604bc7c0701 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -776,7 +776,9 @@ __intel_engine_init_ctx_wa(struct intel_engine_cs *engine, if (engine->class != RENDER_CLASS) goto done; - if (IS_DG2(i915)) + if (IS_PONTEVECCHIO(i915)) + ; /* noop; none at this time */ + else if (IS_DG2(i915)) dg2_ctx_workarounds_init(engine, wal); else if (IS_XEHPSDV(i915)) ; /* noop; none at this time */ @@ -1494,7 +1496,9 @@ gt_init_workarounds(struct intel_gt *gt, struct i915_wa_list *wal) { struct drm_i915_private *i915 = gt->i915; - if (IS_DG2(i915)) + if (IS_PONTEVECCHIO(i915)) + ; /* none yet */ + else if (IS_DG2(i915)) dg2_gt_workarounds_init(gt, wal); else if (IS_XEHPSDV(i915)) xehpsdv_gt_workarounds_init(gt, wal); @@ -1924,6 +1928,32 @@ static void dg2_whitelist_build(struct intel_engine_cs *engine) } } +static void blacklist_trtt(struct intel_engine_cs *engine) +{ + struct i915_wa_list *w = &engine->whitelist; + + /* + * Prevent read/write access to [0x4400, 0x4600) which covers + * the TRTT range across all engines. Note that normally userspace + * cannot access the other engines' trtt control, but for simplicity + * we cover the entire range on each engine. + */ + whitelist_reg_ext(w, _MMIO(0x4400), + RING_FORCE_TO_NONPRIV_DENY | + RING_FORCE_TO_NONPRIV_RANGE_64); + whitelist_reg_ext(w, _MMIO(0x4500), + RING_FORCE_TO_NONPRIV_DENY | + RING_FORCE_TO_NONPRIV_RANGE_64); +} + +static void pvc_whitelist_build(struct intel_engine_cs *engine) +{ + allow_read_ctx_timestamp(engine); + + /* Wa_16014440446:pvc */ + blacklist_trtt(engine); +} + void intel_engine_init_whitelist(struct intel_engine_cs *engine) { struct drm_i915_private *i915 = engine->i915; @@ -1931,7 +1961,9 @@ void intel_engine_init_whitelist(struct intel_engine_cs *engine) wa_init_start(w, "whitelist", engine->name); - if (IS_DG2(i915)) + if (IS_PONTEVECCHIO(i915)) + pvc_whitelist_build(engine); + else if (IS_DG2(i915)) dg2_whitelist_build(engine); else if (IS_XEHPSDV(i915)) xehpsdv_whitelist_build(engine); @@ -2041,9 +2073,6 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) struct drm_i915_private *i915 = engine->i915; if (IS_DG2(i915)) { - /* Wa_14015227452:dg2 */ - wa_masked_en(wal, GEN9_ROW_CHICKEN4, XEHP_DIS_BBL_SYSPIPE); - /* Wa_1509235366:dg2 */ wa_write_or(wal, GEN12_GAMCNTRL_CTRL, INVALIDATION_BROADCAST_MODE_DIS | GLOBAL_INVALIDATION_MODE); @@ -2611,6 +2640,15 @@ xcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) } } +static void +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); + } +} + /* * The workarounds in this function apply to shared registers in * the general render reset domain that aren't tied to a @@ -2657,8 +2695,11 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li GLOBAL_INVALIDATION_MODE); } - if (IS_DG2(i915)) { - /* Wa_22014226127:dg2 */ + if (IS_DG2(i915) || IS_PONTEVECCHIO(i915)) { + /* Wa_14015227452:dg2,pvc */ + wa_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); } } @@ -2679,7 +2720,9 @@ engine_init_workarounds(struct intel_engine_cs *engine, struct i915_wa_list *wal if (engine->flags & I915_ENGINE_FIRST_RENDER_COMPUTE) general_render_compute_wa_init(engine, wal); - if (engine->class == RENDER_CLASS) + if (engine->class == COMPUTE_CLASS) + ccs_engine_wa_init(engine, wal); + else if (engine->class == RENDER_CLASS) rcs_engine_wa_init(engine, wal); else xcs_engine_wa_init(engine, wal); diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 42db41c8e3b3..7a3f023d39e9 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -7526,6 +7526,17 @@ static void dg2_init_clock_gating(struct drm_i915_private *i915) SGR_DIS | SGGI_DIS); } +static void pvc_init_clock_gating(struct drm_i915_private *dev_priv) +{ + /* Wa_14012385139:pvc */ + if (IS_PVC_BD_STEP(dev_priv, STEP_A0, STEP_B0)) + intel_uncore_rmw(&dev_priv->uncore, XEHP_CLOCK_GATE_DIS, 0, SGR_DIS); + + /* Wa_22010954014:pvc */ + if (IS_PVC_BD_STEP(dev_priv, STEP_A0, STEP_B0)) + intel_uncore_rmw(&dev_priv->uncore, XEHP_CLOCK_GATE_DIS, 0, SGSI_SIDECLK_DIS); +} + static void cnp_init_clock_gating(struct drm_i915_private *dev_priv) { if (!HAS_PCH_CNP(dev_priv)) @@ -7942,6 +7953,7 @@ static const struct drm_i915_clock_gating_funcs platform##_clock_gating_funcs = .init_clock_gating = platform##_init_clock_gating, \ } +CG_FUNCS(pvc); CG_FUNCS(dg2); CG_FUNCS(xehpsdv); CG_FUNCS(adlp); @@ -7980,7 +7992,9 @@ CG_FUNCS(nop); */ void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv) { - if (IS_DG2(dev_priv)) + if (IS_PONTEVECCHIO(dev_priv)) + dev_priv->clock_gating_funcs = &pvc_clock_gating_funcs; + else if (IS_DG2(dev_priv)) dev_priv->clock_gating_funcs = &dg2_clock_gating_funcs; else if (IS_XEHPSDV(dev_priv)) dev_priv->clock_gating_funcs = &xehpsdv_clock_gating_funcs; -- 2.35.3
next prev parent reply other threads:[~2022-05-27 16:34 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-05-27 16:33 [PATCH 0/2] i915: PVC steppings and initial workarounds Matt Roper 2022-05-27 16:33 ` [Intel-gfx] " Matt Roper 2022-05-27 16:33 ` [PATCH 1/2] drm/i915/pvc: Extract stepping information from PCI revid Matt Roper 2022-05-27 16:33 ` [Intel-gfx] " Matt Roper 2022-05-31 21:33 ` Matt Atwood 2022-05-27 16:33 ` Matt Roper [this message] 2022-05-27 16:33 ` [Intel-gfx] [PATCH 2/2] drm/i915/pvc: Add initial PVC workarounds Matt Roper 2022-05-31 21:36 ` Matt Atwood 2022-05-28 11:59 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for i915: PVC steppings and initial workarounds Patchwork 2022-05-28 11:59 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork 2022-05-28 12:24 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork 2022-05-28 12:35 ` Patchwork 2022-05-28 13:36 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork 2022-05-31 21:49 ` Matt Roper
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