diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_workarounds.c')
-rw-r--r-- | drivers/gpu/drm/i915/gt/intel_workarounds.c | 96 |
1 files changed, 72 insertions, 24 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 192ac0e59a..59816dd6fb 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -10,6 +10,7 @@ #include "intel_engine_regs.h" #include "intel_gpu_commands.h" #include "intel_gt.h" +#include "intel_gt_ccs_mode.h" #include "intel_gt_mcr.h" #include "intel_gt_print.h" #include "intel_gt_regs.h" @@ -51,7 +52,8 @@ * registers belonging to BCS, VCS or VECS should be implemented in * xcs_engine_wa_init(). Workarounds for registers not belonging to a specific * engine's MMIO range but that are part of of the common RCS/CCS reset domain - * should be implemented in general_render_compute_wa_init(). + * should be implemented in general_render_compute_wa_init(). The settings + * about the CCS load balancing should be added in ccs_engine_wa_mode(). * * - GT workarounds: the list of these WAs is applied whenever these registers * revert to their default values: on GPU reset, suspend/resume [1]_, etc. @@ -777,6 +779,9 @@ static void dg2_ctx_workarounds_init(struct intel_engine_cs *engine, /* Wa_18019271663:dg2 */ wa_masked_en(wal, CACHE_MODE_1, MSAA_OPTIMIZATION_REDUC_DISABLE); + + /* Wa_14019877138:dg2 */ + wa_mcr_masked_en(wal, XEHP_PSS_CHICKEN, FD_END_COLLECT); } static void xelpg_ctx_gt_tuning_init(struct intel_engine_cs *engine, @@ -786,8 +791,13 @@ static void xelpg_ctx_gt_tuning_init(struct intel_engine_cs *engine, dg2_ctx_gt_tuning_init(engine, wal); - if (IS_GFX_GT_IP_STEP(gt, IP_VER(12, 70), STEP_B0, STEP_FOREVER) || - IS_GFX_GT_IP_STEP(gt, IP_VER(12, 71), STEP_B0, STEP_FOREVER)) + /* + * Due to Wa_16014892111, the DRAW_WATERMARK tuning must be done in + * gen12_emit_indirect_ctx_rcs() rather than here on some early + * steppings. + */ + if (!(IS_GFX_GT_IP_STEP(gt, IP_VER(12, 70), STEP_A0, STEP_B0) || + IS_GFX_GT_IP_STEP(gt, IP_VER(12, 71), STEP_A0, STEP_B0))) wa_add(wal, DRAW_WATERMARK, VERT_WM_VAL, 0x3FF, 0, false); } @@ -905,7 +915,7 @@ __intel_engine_init_ctx_wa(struct intel_engine_cs *engine, if (engine->class != RENDER_CLASS) goto done; - if (IS_GFX_GT_IP_RANGE(engine->gt, IP_VER(12, 70), IP_VER(12, 71))) + if (IS_GFX_GT_IP_RANGE(engine->gt, IP_VER(12, 70), IP_VER(12, 74))) xelpg_ctx_workarounds_init(engine, wal); else if (IS_PONTEVECCHIO(i915)) ; /* noop; none at this time */ @@ -1640,7 +1650,8 @@ pvc_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) static void xelpg_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) { - /* Wa_14018778641 / Wa_18018781329 */ + /* Wa_14018575942 / Wa_18018781329 */ + wa_mcr_write_or(wal, RENDER_MOD_CTRL, FORCE_MISS_FTLB); wa_mcr_write_or(wal, COMP_MOD_CTRL, FORCE_MISS_FTLB); /* Wa_22016670082 */ @@ -1663,8 +1674,22 @@ xelpg_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) } static void +wa_16021867713(struct intel_gt *gt, struct i915_wa_list *wal) +{ + struct intel_engine_cs *engine; + int id; + + for_each_engine(engine, gt, id) + if (engine->class == VIDEO_DECODE_CLASS) + wa_write_or(wal, VDBOX_CGCTL3F1C(engine->mmio_base), + MFXPIPE_CLKGATE_DIS); +} + +static void xelpmp_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) { + wa_16021867713(gt, wal); + /* * Wa_14018778641 * Wa_18018781329 @@ -1674,6 +1699,9 @@ xelpmp_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) */ wa_write_or(wal, XELPMP_GSC_MOD_CTRL, FORCE_MISS_FTLB); + /* Wa_22016670082 */ + wa_write_or(wal, GEN12_SQCNT1, GEN12_STRICT_RAR_ENABLE); + debug_dump_steering(gt); } @@ -1690,7 +1718,7 @@ xelpmp_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) */ static void gt_tuning_settings(struct intel_gt *gt, struct i915_wa_list *wal) { - if (IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 70), IP_VER(12, 71))) { + if (IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 70), IP_VER(12, 74))) { wa_mcr_write_or(wal, XEHP_L3SCQREG7, BLEND_FILL_CACHING_OPT_DIS); wa_mcr_write_or(wal, XEHP_SQCM, EN_32B_ACCESS); } @@ -1723,7 +1751,7 @@ gt_init_workarounds(struct intel_gt *gt, struct i915_wa_list *wal) return; } - if (IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 70), IP_VER(12, 71))) + if (IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 70), IP_VER(12, 74))) xelpg_gt_workarounds_init(gt, wal); else if (IS_PONTEVECCHIO(i915)) pvc_gt_workarounds_init(gt, wal); @@ -2196,7 +2224,7 @@ void intel_engine_init_whitelist(struct intel_engine_cs *engine) if (engine->gt->type == GT_MEDIA) ; /* none yet */ - else if (IS_GFX_GT_IP_RANGE(engine->gt, IP_VER(12, 70), IP_VER(12, 71))) + else if (IS_GFX_GT_IP_RANGE(engine->gt, IP_VER(12, 70), IP_VER(12, 74))) xelpg_whitelist_build(engine); else if (IS_PONTEVECCHIO(i915)) pvc_whitelist_build(engine); @@ -2340,14 +2368,6 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) 0, true); } - if (IS_DG2_G11(i915) || IS_DG2_G10(i915)) { - /* Wa_22014600077:dg2 */ - 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_DG2(i915) || IS_ALDERLAKE_P(i915) || IS_ALDERLAKE_S(i915) || IS_DG1(i915) || IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) { /* @@ -2782,6 +2802,11 @@ xcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) RING_SEMA_WAIT_POLL(engine->mmio_base), 1); } + /* Wa_16018031267, Wa_16018063123 */ + if (NEEDS_FASTCOLOR_BLT_WABB(engine)) + wa_masked_field_set(wal, ECOSKPD(engine->mmio_base), + XEHP_BLITTER_SCHEDULING_MODE_MASK, + XEHP_BLITTER_ROUND_ROBIN_MODE); } static void @@ -2811,7 +2836,7 @@ add_render_compute_tuning_settings(struct intel_gt *gt, { struct drm_i915_private *i915 = gt->i915; - if (IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 70), IP_VER(12, 71)) || IS_DG2(i915)) + if (IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 70), IP_VER(12, 74)) || IS_DG2(i915)) wa_mcr_write_clr_set(wal, RT_CTRL, STACKID_CTRL, STACKID_CTRL_512); /* @@ -2827,6 +2852,28 @@ add_render_compute_tuning_settings(struct intel_gt *gt, wa_write_clr(wal, GEN8_GARBCNTL, GEN12_BUS_HASH_CTL_BIT_EXC); } +static void ccs_engine_wa_mode(struct intel_engine_cs *engine, struct i915_wa_list *wal) +{ + struct intel_gt *gt = engine->gt; + + if (!IS_DG2(gt->i915)) + return; + + /* + * Wa_14019159160: This workaround, along with others, leads to + * significant challenges in utilizing load balancing among the + * CCS slices. Consequently, an architectural decision has been + * made to completely disable automatic CCS load balancing. + */ + wa_masked_en(wal, GEN12_RCU_MODE, XEHP_RCU_MODE_FIXED_SLICE_CCS_MODE); + + /* + * After having disabled automatic load balancing we need to + * assign all slices to a single CCS. We will call it CCS mode 1 + */ + intel_gt_apply_ccs_mode(gt); +} + /* * The workarounds in this function apply to shared registers in * the general render reset domain that aren't tied to a @@ -2864,7 +2911,8 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li } if (IS_GFX_GT_IP_STEP(gt, IP_VER(12, 70), STEP_B0, STEP_FOREVER) || - IS_GFX_GT_IP_STEP(gt, IP_VER(12, 71), STEP_B0, STEP_FOREVER)) + IS_GFX_GT_IP_STEP(gt, IP_VER(12, 71), STEP_B0, STEP_FOREVER) || + IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 74), IP_VER(12, 74))) /* Wa_14017856879 */ wa_mcr_masked_en(wal, GEN9_ROW_CHICKEN3, MTL_DISABLE_FIX_FOR_EOT_FLUSH); @@ -2915,6 +2963,9 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li * Wa_22015475538:dg2 */ wa_mcr_write_or(wal, LSC_CHICKEN_BIT_0_UDW, DIS_CHAIN_2XSIMD8); + + /* Wa_18028616096 */ + wa_mcr_write_or(wal, LSC_CHICKEN_BIT_0_UDW, UGM_FRAGMENT_THRESHOLD_TO_3); } if (IS_DG2_G11(i915)) { @@ -2943,11 +2994,6 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li true); } - if (IS_DG2_G10(i915) || IS_DG2_G12(i915)) { - /* Wa_18028616096 */ - wa_mcr_write_or(wal, LSC_CHICKEN_BIT_0_UDW, UGM_FRAGMENT_THRESHOLD_TO_3); - } - if (IS_XEHPSDV(i915)) { /* Wa_1409954639 */ wa_mcr_masked_en(wal, @@ -2978,8 +3024,10 @@ engine_init_workarounds(struct intel_engine_cs *engine, struct i915_wa_list *wal * to a single RCS/CCS engine's workaround list since * they're reset as part of the general render domain reset. */ - if (engine->flags & I915_ENGINE_FIRST_RENDER_COMPUTE) + if (engine->flags & I915_ENGINE_FIRST_RENDER_COMPUTE) { general_render_compute_wa_init(engine, wal); + ccs_engine_wa_mode(engine, wal); + } if (engine->class == COMPUTE_CLASS) ccs_engine_wa_init(engine, wal); |