A new DG2 workaround added to some corner cases hangs. BSpec: 54077 BSpec: 68173 BSpec: 71488 Cc: Matt Roper <matthew.d.roper@xxxxxxxxx> Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx> --- drivers/gpu/drm/i915/gt/intel_gt_regs.h | 1 + drivers/gpu/drm/i915/gt/intel_workarounds.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h index 0a5c2648aaf07..10db058d9038c 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h @@ -368,6 +368,7 @@ #define GEN9_FACTOR_IN_CLR_VAL_HIZ (1 << 9) #define VFLSKPD _MMIO(0x62a8) +#define VF_PREFETCH_TLB_DIS REG_BIT(5) #define DIS_OVER_FETCH_CACHE REG_BIT(1) #define DIS_MULT_MISS_RD_SQUASH REG_BIT(0) diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 29c8cd0a81b6f..a1ba775bcb705 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -688,6 +688,9 @@ static void dg2_ctx_workarounds_init(struct intel_engine_cs *engine, 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_18019627453:dg2 */ + wa_masked_en(wal, VFLSKPD, VF_PREFETCH_TLB_DIS); } static void fakewa_disable_nestedbb_mode(struct intel_engine_cs *engine, -- 2.35.3
