On Wed, Aug 16, 2023 at 02:42:05PM -0700, Matt Roper wrote:
> DG2 first production steppings were C0 (for DG2-G10), B1 (for DG2-G11),
> and A1 (for DG2-G12). Several workarounds that apply onto to
> pre-production hardware can be dropped. Furthermore, several
> workarounds that apply to all production steppings can have their
> conditions simplified to no longer check the GT stepping.
>
> v2:
> - Keep Wa_16011777198 in place for now; it will be removed separately
> in a follow-up patch to keep review easier.
>
> Bspec: 44477
> Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
> Acked-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Reviewed-by: Matt Atwood <matthew.s.atwood@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/gt/intel_lrc.c | 34 +---
> drivers/gpu/drm/i915/gt/intel_mocs.c | 21 +-
> drivers/gpu/drm/i915/gt/intel_rc6.c | 6 +-
> drivers/gpu/drm/i915/gt/intel_workarounds.c | 211 +-------------------
> drivers/gpu/drm/i915/gt/uc/intel_guc.c | 20 +-
> drivers/gpu/drm/i915/intel_clock_gating.c | 8 -
> 6 files changed, 21 insertions(+), 279 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
> index 957d0aeb0c02..bc7ce2c2b959 100644
> --- a/drivers/gpu/drm/i915/gt/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
> @@ -1315,29 +1315,6 @@ gen12_emit_cmd_buf_wa(const struct intel_context *ce, u32 *cs)
> return cs;
> }
>
> -/*
> - * On DG2 during context restore of a preempted context in GPGPU mode,
> - * RCS restore hang is detected. This is extremely timing dependent.
> - * To address this below sw wabb is implemented for DG2 A steppings.
> - */
> -static u32 *
> -dg2_emit_rcs_hang_wabb(const struct intel_context *ce, u32 *cs)
> -{
> - *cs++ = MI_LOAD_REGISTER_IMM(1);
> - *cs++ = i915_mmio_reg_offset(GEN12_STATE_ACK_DEBUG(ce->engine->mmio_base));
> - *cs++ = 0x21;
> -
> - *cs++ = MI_LOAD_REGISTER_REG;
> - *cs++ = i915_mmio_reg_offset(RING_NOPID(ce->engine->mmio_base));
> - *cs++ = i915_mmio_reg_offset(XEHP_CULLBIT1);
> -
> - *cs++ = MI_LOAD_REGISTER_REG;
> - *cs++ = i915_mmio_reg_offset(RING_NOPID(ce->engine->mmio_base));
> - *cs++ = i915_mmio_reg_offset(XEHP_CULLBIT2);
> -
> - return cs;
> -}
> -
> /*
> * The bspec's tuning guide asks us to program a vertical watermark value of
> * 0x3FF. However this register is not saved/restored properly by the
> @@ -1362,14 +1339,8 @@ gen12_emit_indirect_ctx_rcs(const struct intel_context *ce, u32 *cs)
> cs = gen12_emit_cmd_buf_wa(ce, cs);
> cs = gen12_emit_restore_scratch(ce, cs);
>
> - /* Wa_22011450934:dg2 */
> - if (IS_DG2_GRAPHICS_STEP(ce->engine->i915, G10, STEP_A0, STEP_B0) ||
> - IS_DG2_GRAPHICS_STEP(ce->engine->i915, G11, STEP_A0, STEP_B0))
> - cs = dg2_emit_rcs_hang_wabb(ce, cs);
> -
> /* Wa_16013000631:dg2 */
> - if (IS_DG2_GRAPHICS_STEP(ce->engine->i915, G10, STEP_B0, STEP_C0) ||
> - IS_DG2_G11(ce->engine->i915))
> + if (IS_DG2_G11(ce->engine->i915))
> cs = gen8_emit_pipe_control(cs, PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE, 0);
>
> cs = gen12_emit_aux_table_inv(ce->engine, cs);
> @@ -1390,8 +1361,7 @@ gen12_emit_indirect_ctx_xcs(const struct intel_context *ce, u32 *cs)
> cs = gen12_emit_restore_scratch(ce, cs);
>
> /* Wa_16013000631:dg2 */
> - if (IS_DG2_GRAPHICS_STEP(ce->engine->i915, G10, STEP_B0, STEP_C0) ||
> - IS_DG2_G11(ce->engine->i915))
> + if (IS_DG2_G11(ce->engine->i915))
> if (ce->engine->class == COMPUTE_CLASS)
> cs = gen8_emit_pipe_control(cs,
> PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE,
> diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c
> index 2c014407225c..bf8b42d2d327 100644
> --- a/drivers/gpu/drm/i915/gt/intel_mocs.c
> +++ b/drivers/gpu/drm/i915/gt/intel_mocs.c
> @@ -404,18 +404,6 @@ static const struct drm_i915_mocs_entry dg2_mocs_table[] = {
> MOCS_ENTRY(3, 0, L3_3_WB | L3_LKUP(1)),
> };
>
> -static const struct drm_i915_mocs_entry dg2_mocs_table_g10_ax[] = {
> - /* Wa_14011441408: Set Go to Memory for MOCS#0 */
> - MOCS_ENTRY(0, 0, L3_1_UC | L3_GLBGO(1) | L3_LKUP(1)),
> - /* UC - Coherent; GO:Memory */
> - MOCS_ENTRY(1, 0, L3_1_UC | L3_GLBGO(1) | L3_LKUP(1)),
> - /* UC - Non-Coherent; GO:Memory */
> - MOCS_ENTRY(2, 0, L3_1_UC | L3_GLBGO(1)),
> -
> - /* WB - LC */
> - MOCS_ENTRY(3, 0, L3_3_WB | L3_LKUP(1)),
> -};
> -
> static const struct drm_i915_mocs_entry pvc_mocs_table[] = {
> /* Error */
> MOCS_ENTRY(0, 0, L3_3_WB),
> @@ -521,13 +509,8 @@ static unsigned int get_mocs_settings(const struct drm_i915_private *i915,
> table->wb_index = 2;
> table->unused_entries_index = 2;
> } else if (IS_DG2(i915)) {
> - if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_A0, STEP_B0)) {
> - table->size = ARRAY_SIZE(dg2_mocs_table_g10_ax);
> - table->table = dg2_mocs_table_g10_ax;
> - } else {
> - table->size = ARRAY_SIZE(dg2_mocs_table);
> - table->table = dg2_mocs_table;
> - }
> + table->size = ARRAY_SIZE(dg2_mocs_table);
> + table->table = dg2_mocs_table;
> table->uc_index = 1;
> table->n_entries = GEN9_NUM_MOCS_ENTRIES;
> table->unused_entries_index = 3;
> diff --git a/drivers/gpu/drm/i915/gt/intel_rc6.c b/drivers/gpu/drm/i915/gt/intel_rc6.c
> index 58bb1c55294c..90933fb8cb97 100644
> --- a/drivers/gpu/drm/i915/gt/intel_rc6.c
> +++ b/drivers/gpu/drm/i915/gt/intel_rc6.c
> @@ -118,14 +118,12 @@ static void gen11_rc6_enable(struct intel_rc6 *rc6)
> GEN6_RC_CTL_EI_MODE(1);
>
> /*
> - * Wa_16011777198 and BSpec 52698 - Render powergating must be off.
> + * BSpec 52698 - Render powergating must be off.
> * FIXME BSpec is outdated, disabling powergating for MTL is just
> * temporary wa and should be removed after fixing real cause
> * of forcewake timeouts.
> */
> - if (IS_METEORLAKE(gt->i915) ||
> - IS_DG2_GRAPHICS_STEP(gt->i915, G10, STEP_A0, STEP_C0) ||
> - IS_DG2_GRAPHICS_STEP(gt->i915, G11, STEP_A0, STEP_B0))
> + if (IS_METEORLAKE(gt->i915))
> pg_enable =
> GEN9_MEDIA_PG_ENABLE |
> GEN11_MEDIA_SAMPLER_PG_ENABLE;
> diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> index ce483ee1f4cb..76e55738332f 100644
> --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
> +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> @@ -764,39 +764,15 @@ static void dg2_ctx_workarounds_init(struct intel_engine_cs *engine,
> {
> dg2_ctx_gt_tuning_init(engine, wal);
>
> - /* Wa_16011186671:dg2_g11 */
> - if (IS_DG2_GRAPHICS_STEP(engine->i915, G11, STEP_A0, STEP_B0)) {
> - 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_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_mcr_masked_en(wal, XEHP_COMMON_SLICE_CHICKEN3,
> - GEN12_DISABLE_CPS_AWARE_COLOR_PIPE);
> - }
> -
> /* Wa_16013271637:dg2 */
> 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) ||
> - IS_DG2_G11(engine->i915) || IS_DG2_G12(engine->i915))
> - wa_masked_field_set(wal, VF_PREEMPTION, PREEMPTION_VERTEX_COUNT, 0x4000);
> + wa_masked_field_set(wal, VF_PREEMPTION, PREEMPTION_VERTEX_COUNT, 0x4000);
>
> /* Wa_18018764978:dg2 */
> - if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_C0, STEP_FOREVER) ||
> - IS_DG2_G11(engine->i915) || IS_DG2_G12(engine->i915))
> - wa_mcr_masked_en(wal, XEHP_PSS_MODE2, SCOREBOARD_STALL_FLUSH_CONTROL);
> + wa_mcr_masked_en(wal, XEHP_PSS_MODE2, SCOREBOARD_STALL_FLUSH_CONTROL);
>
> /* Wa_18019271663:dg2 */
> wa_masked_en(wal, CACHE_MODE_1, MSAA_OPTIMIZATION_REDUC_DISABLE);
> @@ -1603,31 +1579,11 @@ xehpsdv_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
> static void
> dg2_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
> {
> - struct intel_engine_cs *engine;
> - int id;
> -
> xehp_init_mcr(gt, wal);
>
> /* Wa_14011060649:dg2 */
> wa_14011060649(gt, wal);
>
> - /*
> - * Although there are per-engine instances of these registers,
> - * they technically exist outside the engine itself and are not
> - * impacted by engine resets. Furthermore, they're part of the
> - * GuC blacklist so trying to treat them as engine workarounds
> - * will result in GuC initialization failure and a wedged GPU.
> - */
> - for_each_engine(engine, gt, id) {
> - if (engine->class != VIDEO_DECODE_CLASS)
> - continue;
> -
> - /* Wa_16010515920:dg2_g10 */
> - if (IS_DG2_GRAPHICS_STEP(gt->i915, G10, STEP_A0, STEP_B0))
> - wa_write_or(wal, VDBOX_CGCTL3F18(engine->mmio_base),
> - ALNUNIT_CLKGATE_DIS);
> - }
> -
> if (IS_DG2_G10(gt->i915)) {
> /* Wa_22010523718:dg2 */
> wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE,
> @@ -1638,65 +1594,6 @@ dg2_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
> DSS_ROUTER_CLKGATE_DIS);
> }
>
> - if (IS_DG2_GRAPHICS_STEP(gt->i915, G10, STEP_A0, STEP_B0) ||
> - IS_DG2_GRAPHICS_STEP(gt->i915, G11, STEP_A0, STEP_B0)) {
> - /* Wa_14012362059:dg2 */
> - wa_mcr_write_or(wal, XEHP_MERT_MOD_CTRL, FORCE_MISS_FTLB);
> - }
> -
> - if (IS_DG2_GRAPHICS_STEP(gt->i915, G10, STEP_A0, STEP_B0)) {
> - /* Wa_14010948348:dg2_g10 */
> - wa_write_or(wal, UNSLCGCTL9430, MSQDUNIT_CLKGATE_DIS);
> -
> - /* Wa_14011037102:dg2_g10 */
> - wa_write_or(wal, UNSLCGCTL9444, LTCDD_CLKGATE_DIS);
> -
> - /* Wa_14011371254:dg2_g10 */
> - 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 |
> - GAMTLBVDBOX7_CLKGATE_DIS |
> - GAMTLBVDBOX6_CLKGATE_DIS |
> - GAMTLBVDBOX5_CLKGATE_DIS |
> - GAMTLBVDBOX4_CLKGATE_DIS |
> - GAMTLBVDBOX3_CLKGATE_DIS |
> - GAMTLBVDBOX2_CLKGATE_DIS |
> - GAMTLBVDBOX1_CLKGATE_DIS |
> - GAMTLBVDBOX0_CLKGATE_DIS |
> - GAMTLBKCR_CLKGATE_DIS |
> - GAMTLBGUC_CLKGATE_DIS |
> - GAMTLBBLT_CLKGATE_DIS);
> - wa_write_or(wal, UNSLCGCTL9444, GAMTLBGFXA0_CLKGATE_DIS |
> - GAMTLBGFXA1_CLKGATE_DIS |
> - GAMTLBCOMPA0_CLKGATE_DIS |
> - GAMTLBCOMPA1_CLKGATE_DIS |
> - GAMTLBCOMPB0_CLKGATE_DIS |
> - GAMTLBCOMPB1_CLKGATE_DIS |
> - GAMTLBCOMPC0_CLKGATE_DIS |
> - GAMTLBCOMPC1_CLKGATE_DIS |
> - GAMTLBCOMPD0_CLKGATE_DIS |
> - GAMTLBCOMPD1_CLKGATE_DIS |
> - GAMTLBMERT_CLKGATE_DIS |
> - GAMTLBVEBOX3_CLKGATE_DIS |
> - GAMTLBVEBOX2_CLKGATE_DIS |
> - GAMTLBVEBOX1_CLKGATE_DIS |
> - GAMTLBVEBOX0_CLKGATE_DIS);
> -
> - /* Wa_14010569222:dg2_g10 */
> - wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE,
> - GAMEDIA_CLKGATE_DIS);
> -
> - /* Wa_14011028019:dg2_g10 */
> - wa_mcr_write_or(wal, SSMCGCTL9530, RTFUNIT_CLKGATE_DIS);
> -
> - /* Wa_14010680813:dg2_g10 */
> - wa_mcr_write_or(wal, XEHP_GAMSTLB_CTRL,
> - CONTROL_BLOCK_CLKGATE_DIS |
> - EGRESS_BLOCK_CLKGATE_DIS |
> - TAG_BLOCK_CLKGATE_DIS);
> - }
> -
> /* Wa_14014830051:dg2 */
> wa_mcr_write_clr(wal, SARB_CHICKEN1, COMP_CKN_IN);
>
> @@ -2239,29 +2136,10 @@ static void dg2_whitelist_build(struct intel_engine_cs *engine)
>
> switch (engine->class) {
> case RENDER_CLASS:
> - /*
> - * Wa_1507100340:dg2_g10
> - *
> - * This covers 4 registers which are next to one another :
> - * - PS_INVOCATION_COUNT
> - * - PS_INVOCATION_COUNT_UDW
> - * - PS_DEPTH_COUNT
> - * - PS_DEPTH_COUNT_UDW
> - */
> - if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_A0, STEP_B0))
> - whitelist_reg_ext(w, PS_INVOCATION_COUNT,
> - RING_FORCE_TO_NONPRIV_ACCESS_RD |
> - RING_FORCE_TO_NONPRIV_RANGE_4);
> -
> /* Required by recommended tuning setting (not a workaround) */
> whitelist_mcr_reg(w, XEHP_COMMON_SLICE_CHICKEN3);
>
> break;
> - case COMPUTE_CLASS:
> - /* Wa_16011157294:dg2_g10 */
> - if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_A0, STEP_B0))
> - whitelist_reg(w, GEN9_CTX_PREEMPT_REG);
> - break;
> default:
> break;
> }
> @@ -2412,12 +2290,6 @@ engine_fake_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
> }
> }
>
> -static bool needs_wa_1308578152(struct intel_engine_cs *engine)
> -{
> - return intel_sseu_find_first_xehp_dss(&engine->gt->info.sseu, 0, 0) >=
> - GEN_DSS_PER_GSLICE;
> -}
> -
> static void
> rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
> {
> @@ -2432,42 +2304,20 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
>
> if (IS_MTL_GRAPHICS_STEP(i915, M, STEP_A0, STEP_B0) ||
> IS_MTL_GRAPHICS_STEP(i915, P, STEP_A0, STEP_B0) ||
> - IS_DG2_GRAPHICS_STEP(i915, G10, STEP_B0, STEP_FOREVER) ||
> - IS_DG2_G11(i915) || IS_DG2_G12(i915)) {
> + IS_DG2(i915)) {
> /* Wa_1509727124 */
> wa_mcr_masked_en(wal, GEN10_SAMPLER_MODE,
> SC_DISABLE_POWER_OPTIMIZATION_EBB);
> }
>
> - if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_B0, STEP_FOREVER) ||
> - IS_DG2_G11(i915) || IS_DG2_G12(i915) ||
> - IS_MTL_GRAPHICS_STEP(i915, M, STEP_A0, STEP_B0)) {
> + if (IS_MTL_GRAPHICS_STEP(i915, M, STEP_A0, STEP_B0) ||
> + IS_DG2(i915)) {
> /* Wa_22012856258 */
> wa_mcr_masked_en(wal, GEN8_ROW_CHICKEN2,
> GEN12_DISABLE_READ_SUPPRESSION);
> }
>
> - if (IS_DG2_GRAPHICS_STEP(i915, G11, STEP_A0, STEP_B0)) {
> - /* Wa_14013392000:dg2_g11 */
> - wa_mcr_masked_en(wal, GEN8_ROW_CHICKEN2, GEN12_ENABLE_LARGE_GRF_MODE);
> - }
> -
> - 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_mcr_masked_en(wal, GEN9_ROW_CHICKEN4,
> - GEN12_DISABLE_HDR_PAST_PAYLOAD_HOLD_FIX);
> - }
> -
> - /* Wa_1308578152:dg2_g10 when first gslice is fused off */
> - if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_B0, STEP_C0) &&
> - needs_wa_1308578152(engine)) {
> - wa_masked_dis(wal, GEN12_CS_DEBUG_MODE1_CCCSUNIT_BE_COMMON,
> - GEN12_REPLAY_MODE_GRANULARITY);
> - }
> -
> - if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_B0, STEP_FOREVER) ||
> - IS_DG2_G11(i915) || IS_DG2_G12(i915)) {
> + if (IS_DG2(i915)) {
> /*
> * Wa_22010960976:dg2
> * Wa_14013347512:dg2
> @@ -2476,34 +2326,7 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
> LSC_L1_FLUSH_CTL_3D_DATAPORT_FLUSH_EVENTS_MASK);
> }
>
> - if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_A0, STEP_B0)) {
> - /*
> - * Wa_1608949956:dg2_g10
> - * Wa_14010198302:dg2_g10
> - */
> - wa_mcr_masked_en(wal, GEN8_ROW_CHICKEN,
> - MDQ_ARBITRATION_MODE | UGM_BACKUP_MODE);
> - }
> -
> - if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_A0, STEP_B0))
> - /* Wa_22010430635:dg2 */
> - wa_mcr_masked_en(wal,
> - GEN9_ROW_CHICKEN4,
> - GEN12_DISABLE_GRF_CLEAR);
> -
> - /* 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_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_mcr_masked_en(wal, GEN9_HALF_SLICE_CHICKEN7,
> - DG2_DISABLE_ROUND_ENABLE_ALLOW_FOR_SSLA);
> -
> - if (IS_DG2_GRAPHICS_STEP(i915, G11, STEP_B0, STEP_FOREVER) ||
> - IS_DG2_G10(i915)) {
> + 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),
> @@ -3047,8 +2870,7 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li
>
> if (IS_MTL_GRAPHICS_STEP(i915, M, STEP_A0, STEP_B0) ||
> IS_MTL_GRAPHICS_STEP(i915, P, STEP_A0, STEP_B0) ||
> - IS_DG2_GRAPHICS_STEP(i915, G10, STEP_B0, STEP_FOREVER) ||
> - IS_DG2_G11(i915) || IS_DG2_G12(i915)) {
> + IS_DG2(i915)) {
> /* Wa_22013037850 */
> wa_mcr_write_or(wal, LSC_CHICKEN_BIT_0_UDW,
> DISABLE_128B_EVICTION_COMMAND_UDW);
> @@ -3069,8 +2891,7 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li
> wa_masked_en(wal, VFG_PREEMPTION_CHICKEN, POLYGON_TRIFAN_LINELOOP_DISABLE);
> }
>
> - if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_B0, STEP_C0) ||
> - IS_DG2_G11(i915)) {
> + if (IS_DG2_G11(i915)) {
> /*
> * Wa_22012826095:dg2
> * Wa_22013059131:dg2
> @@ -3084,18 +2905,6 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li
> FORCE_1_SUB_MESSAGE_PER_FRAGMENT);
> }
>
> - if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_A0, STEP_B0)) {
> - /*
> - * Wa_14010918519:dg2_g10
> - *
> - * LSC_CHICKEN_BIT_0 always reads back as 0 is this stepping,
> - * so ignoring verification.
> - */
> - 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_XEHPSDV(i915)) {
> /* Wa_1409954639 */
> wa_mcr_masked_en(wal,
> @@ -3128,7 +2937,7 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li
> wa_mcr_write_or(wal, LSC_CHICKEN_BIT_0_UDW, DIS_CHAIN_2XSIMD8);
> }
>
> - if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_A0, STEP_C0) || IS_DG2_G11(i915))
> + if (IS_DG2_G11(i915))
> /*
> * Wa_22012654132
> *
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
> index 569b5fe94c41..82a2ecc12b21 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
> @@ -272,18 +272,14 @@ static u32 guc_ctl_wa_flags(struct intel_guc *guc)
> GRAPHICS_VER_FULL(gt->i915) < IP_VER(12, 50))
> flags |= GUC_WA_POLLCS;
>
> - /* Wa_16011759253:dg2_g10:a0 */
> - if (IS_DG2_GRAPHICS_STEP(gt->i915, G10, STEP_A0, STEP_B0))
> - flags |= GUC_WA_GAM_CREDITS;
> -
> /* Wa_14014475959 */
> if (IS_MTL_GRAPHICS_STEP(gt->i915, M, STEP_A0, STEP_B0) ||
> IS_DG2(gt->i915))
> flags |= GUC_WA_HOLD_CCS_SWITCHOUT;
>
> /*
> - * Wa_14012197797:dg2_g10:a0,dg2_g11:a0
> - * Wa_22011391025:dg2_g10,dg2_g11,dg2_g12
> + * Wa_14012197797
> + * Wa_22011391025
> *
> * The same WA bit is used for both and 22011391025 is applicable to
> * all DG2.
> @@ -297,17 +293,11 @@ static u32 guc_ctl_wa_flags(struct intel_guc *guc)
> GRAPHICS_VER_FULL(gt->i915) < IP_VER(12, 70)))
> flags |= GUC_WA_PRE_PARSER;
>
> - /* Wa_16011777198:dg2 */
> - if (IS_DG2_GRAPHICS_STEP(gt->i915, G10, STEP_A0, STEP_C0) ||
> - IS_DG2_GRAPHICS_STEP(gt->i915, G11, STEP_A0, STEP_B0))
> - flags |= GUC_WA_RCS_RESET_BEFORE_RC6;
> -
> /*
> - * Wa_22012727170:dg2_g10[a0-c0), dg2_g11[a0..)
> - * Wa_22012727685:dg2_g11[a0..)
> + * Wa_22012727170
> + * Wa_22012727685
> */
> - if (IS_DG2_GRAPHICS_STEP(gt->i915, G10, STEP_A0, STEP_C0) ||
> - IS_DG2_GRAPHICS_STEP(gt->i915, G11, STEP_A0, STEP_FOREVER))
> + if (IS_DG2_G11(gt->i915))
> flags |= GUC_WA_CONTEXT_ISOLATION;
>
> /* Wa_16015675438 */
> diff --git a/drivers/gpu/drm/i915/intel_clock_gating.c b/drivers/gpu/drm/i915/intel_clock_gating.c
> index 81a4d32734e9..c66eb6abd4a2 100644
> --- a/drivers/gpu/drm/i915/intel_clock_gating.c
> +++ b/drivers/gpu/drm/i915/intel_clock_gating.c
> @@ -396,14 +396,6 @@ static void dg2_init_clock_gating(struct drm_i915_private *i915)
> /* Wa_22010954014:dg2 */
> intel_uncore_rmw(&i915->uncore, XEHP_CLOCK_GATE_DIS, 0,
> SGSI_SIDECLK_DIS);
> -
> - /*
> - * Wa_14010733611:dg2_g10
> - * Wa_22010146351:dg2_g10
> - */
> - if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_A0, STEP_B0))
> - intel_uncore_rmw(&i915->uncore, XEHP_CLOCK_GATE_DIS, 0,
> - SGR_DIS | SGGI_DIS);
> }
>
> static void pvc_init_clock_gating(struct drm_i915_private *i915)
> --
> 2.41.0
>
