From: Clint Taylor <clinton.a.taylor@xxxxxxxxx> BSPEC: 46123 v2: Address review feedback [MattR] v3: move register definition to gt_regs [MattR] Cc: Matt Roper <matthew.d.roper@xxxxxxxxx> Signed-off-by: Clint Taylor <clinton.a.taylor@xxxxxxxxx> --- drivers/gpu/drm/i915/gt/intel_gt_regs.h | 3 +++ drivers/gpu/drm/i915/gt/intel_workarounds.c | 5 +++++ 2 files changed, 8 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h index a6f0220c2e9f..5c8c3bc65acc 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h @@ -124,6 +124,9 @@ #define ECOCHK_PPGTT_WT_HSW (0x2 << 3) #define ECOCHK_PPGTT_WB_HSW (0x3 << 3) +#define VF_PREEMPTION _MMIO(0x83a4) +#define PREEMPTION_VERTEX_COUNT REG_GENMASK(15, 0) + #define GEN8_RC6_CTX_INFO _MMIO(0x8504) #define GAC_ECO_BITS _MMIO(0x14090) diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index b146a393cd79..9416b1434c64 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -689,6 +689,11 @@ static void dg2_ctx_workarounds_init(struct intel_engine_cs *engine, IS_DG2_GRAPHICS_STEP(engine->i915, G11, STEP_A0, STEP_B0)) wa_masked_en(wal, GEN9_HALF_SLICE_CHICKEN7, DG2_DISABLE_ROUND_ENABLE_ALLOW_FOR_SSLA); + + /* wa_14014947963: dg2_g10 [B0..NONE] dg2_g11 dg2_g12 */ + 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); } static void fakewa_disable_nestedbb_mode(struct intel_engine_cs *engine, -- 2.34.1
