diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 119 |
1 files changed, 53 insertions, 66 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 16a4eada60a1..654ae991ea13 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -717,7 +717,7 @@ static int intel_ring_workarounds_emit(struct drm_i915_gem_request *req) struct drm_i915_private *dev_priv = dev->dev_private; struct i915_workarounds *w = &dev_priv->workarounds; - if (WARN_ON_ONCE(w->count == 0)) + if (w->count == 0) return 0; ring->gpu_caches_dirty = true; @@ -800,42 +800,29 @@ static int wa_add(struct drm_i915_private *dev_priv, #define WA_WRITE(addr, val) WA_REG(addr, 0xffffffff, val) -static int bdw_init_workarounds(struct intel_engine_cs *ring) +static int gen8_init_workarounds(struct intel_engine_cs *ring) { struct drm_device *dev = ring->dev; struct drm_i915_private *dev_priv = dev->dev_private; WA_SET_BIT_MASKED(INSTPM, INSTPM_FORCE_ORDERING); - /* WaDisableAsyncFlipPerfMode:bdw */ + /* WaDisableAsyncFlipPerfMode:bdw,chv */ WA_SET_BIT_MASKED(MI_MODE, ASYNC_FLIP_PERF_DISABLE); - /* WaDisablePartialInstShootdown:bdw */ - /* WaDisableThreadStallDopClockGating:bdw (pre-production) */ + /* WaDisablePartialInstShootdown:bdw,chv */ WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN, - PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE | - STALL_DOP_GATING_DISABLE); - - /* WaDisableDopClockGating:bdw */ - WA_SET_BIT_MASKED(GEN7_ROW_CHICKEN2, - DOP_CLOCK_GATING_DISABLE); - - WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3, - GEN8_SAMPLER_POWER_BYPASS_DIS); + PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE); /* Use Force Non-Coherent whenever executing a 3D context. This is a * workaround for for a possible hang in the unlikely event a TLB * invalidation occurs during a PSD flush. */ + /* WaForceEnableNonCoherent:bdw,chv */ + /* WaHdcDisableFetchWhenMasked:bdw,chv */ WA_SET_BIT_MASKED(HDC_CHICKEN0, - /* WaForceEnableNonCoherent:bdw */ - HDC_FORCE_NON_COHERENT | - /* WaForceContextSaveRestoreNonCoherent:bdw */ - HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT | - /* WaHdcDisableFetchWhenMasked:bdw */ HDC_DONOT_FETCH_MEM_WHEN_MASKED | - /* WaDisableFenceDestinationToSLM:bdw (pre-prod) */ - (IS_BDW_GT3(dev) ? HDC_FENCE_DEST_SLM_DISABLE : 0)); + HDC_FORCE_NON_COHERENT); /* From the Haswell PRM, Command Reference: Registers, CACHE_MODE_0: * "The Hierarchical Z RAW Stall Optimization allows non-overlapping @@ -843,13 +830,12 @@ static int bdw_init_workarounds(struct intel_engine_cs *ring) * stalling waiting for the earlier ones to write to Hierarchical Z * buffer." * - * This optimization is off by default for Broadwell; turn it on. + * This optimization is off by default for BDW and CHV; turn it on. */ WA_CLR_BIT_MASKED(CACHE_MODE_0_GEN7, HIZ_RAW_STALL_OPT_DISABLE); - /* Wa4x4STCOptimizationDisable:bdw */ - WA_SET_BIT_MASKED(CACHE_MODE_1, - GEN8_4x4_STC_OPTIMIZATION_DISABLE); + /* Wa4x4STCOptimizationDisable:bdw,chv */ + WA_SET_BIT_MASKED(CACHE_MODE_1, GEN8_4x4_STC_OPTIMIZATION_DISABLE); /* * BSpec recommends 8x4 when MSAA is used, @@ -866,56 +852,51 @@ static int bdw_init_workarounds(struct intel_engine_cs *ring) return 0; } -static int chv_init_workarounds(struct intel_engine_cs *ring) +static int bdw_init_workarounds(struct intel_engine_cs *ring) { + int ret; struct drm_device *dev = ring->dev; struct drm_i915_private *dev_priv = dev->dev_private; - WA_SET_BIT_MASKED(INSTPM, INSTPM_FORCE_ORDERING); + ret = gen8_init_workarounds(ring); + if (ret) + return ret; - /* WaDisableAsyncFlipPerfMode:chv */ - WA_SET_BIT_MASKED(MI_MODE, ASYNC_FLIP_PERF_DISABLE); + /* WaDisableThreadStallDopClockGating:bdw (pre-production) */ + WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN, STALL_DOP_GATING_DISABLE); - /* WaDisablePartialInstShootdown:chv */ - /* WaDisableThreadStallDopClockGating:chv */ - WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN, - PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE | - STALL_DOP_GATING_DISABLE); + /* WaDisableDopClockGating:bdw */ + WA_SET_BIT_MASKED(GEN7_ROW_CHICKEN2, + DOP_CLOCK_GATING_DISABLE); + + WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3, + GEN8_SAMPLER_POWER_BYPASS_DIS); - /* Use Force Non-Coherent whenever executing a 3D context. This is a - * workaround for a possible hang in the unlikely event a TLB - * invalidation occurs during a PSD flush. - */ - /* WaForceEnableNonCoherent:chv */ - /* WaHdcDisableFetchWhenMasked:chv */ WA_SET_BIT_MASKED(HDC_CHICKEN0, - HDC_FORCE_NON_COHERENT | - HDC_DONOT_FETCH_MEM_WHEN_MASKED); + /* WaForceContextSaveRestoreNonCoherent:bdw */ + HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT | + /* WaDisableFenceDestinationToSLM:bdw (pre-prod) */ + (IS_BDW_GT3(dev) ? HDC_FENCE_DEST_SLM_DISABLE : 0)); - /* According to the CACHE_MODE_0 default value documentation, some - * CHV platforms disable this optimization by default. Turn it on. - */ - WA_CLR_BIT_MASKED(CACHE_MODE_0_GEN7, HIZ_RAW_STALL_OPT_DISABLE); + return 0; +} - /* Wa4x4STCOptimizationDisable:chv */ - WA_SET_BIT_MASKED(CACHE_MODE_1, - GEN8_4x4_STC_OPTIMIZATION_DISABLE); +static int chv_init_workarounds(struct intel_engine_cs *ring) +{ + int ret; + struct drm_device *dev = ring->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + + ret = gen8_init_workarounds(ring); + if (ret) + return ret; + + /* WaDisableThreadStallDopClockGating:chv */ + WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN, STALL_DOP_GATING_DISABLE); /* Improve HiZ throughput on CHV. */ WA_SET_BIT_MASKED(HIZ_CHICKEN, CHV_HZ_8X8_MODE_IN_1X); - /* - * BSpec recommends 8x4 when MSAA is used, - * however in practice 16x4 seems fastest. - * - * Note that PS/WM thread counts depend on the WIZ hashing - * disable bit, which we don't touch here, but it's good - * to keep in mind (see 3DSTATE_PS and 3DSTATE_WM). - */ - WA_SET_FIELD_MASKED(GEN7_GT_MODE, - GEN6_WIZ_HASHING_MASK, - GEN6_WIZ_HASHING_16x4); - return 0; } @@ -961,10 +942,9 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring) } /* Wa4x4STCOptimizationDisable:skl,bxt */ - WA_SET_BIT_MASKED(CACHE_MODE_1, GEN8_4x4_STC_OPTIMIZATION_DISABLE); - /* WaDisablePartialResolveInVc:skl,bxt */ - WA_SET_BIT_MASKED(CACHE_MODE_1, GEN9_PARTIAL_RESOLVE_IN_VC_DISABLE); + WA_SET_BIT_MASKED(CACHE_MODE_1, (GEN8_4x4_STC_OPTIMIZATION_DISABLE | + GEN9_PARTIAL_RESOLVE_IN_VC_DISABLE)); /* WaCcsTlbPrefetchDisable:skl,bxt */ WA_CLR_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN5, @@ -1041,10 +1021,13 @@ static int skl_tune_iz_hashing(struct intel_engine_cs *ring) static int skl_init_workarounds(struct intel_engine_cs *ring) { + int ret; struct drm_device *dev = ring->dev; struct drm_i915_private *dev_priv = dev->dev_private; - gen9_init_workarounds(ring); + ret = gen9_init_workarounds(ring); + if (ret) + return ret; /* WaDisablePowerCompilerClockGating:skl */ if (INTEL_REVID(dev) == SKL_REVID_B0) @@ -1081,10 +1064,13 @@ static int skl_init_workarounds(struct intel_engine_cs *ring) static int bxt_init_workarounds(struct intel_engine_cs *ring) { + int ret; struct drm_device *dev = ring->dev; struct drm_i915_private *dev_priv = dev->dev_private; - gen9_init_workarounds(ring); + ret = gen9_init_workarounds(ring); + if (ret) + return ret; /* WaDisableThreadStallDopClockGating:bxt */ WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN, @@ -2637,6 +2623,7 @@ int intel_init_render_ring_buffer(struct drm_device *dev) GEN8_RING_SEMAPHORE_INIT; } } else if (INTEL_INFO(dev)->gen >= 6) { + ring->init_context = intel_rcs_ctx_init; ring->add_request = gen6_add_request; ring->flush = gen7_render_ring_flush; if (INTEL_INFO(dev)->gen == 6) |