Commit b7580e66 authored by Matt Roper's avatar Matt Roper
Browse files

drm/i915/dg2: Add Wa_15010599737 



This workaround may need to be extended to other platforms soon, but for
now it's marked as DG2-specific.

Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Reviewed-by: default avatarArun R Murthy <arun.r.murthy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220708215804.2889246-1-matthew.d.roper@intel.com
parent bc99f120

drivers/gpu/drm/i915/gt/intel_gt_regs.h

+3 −0
Original line number Diff line number Diff line
@@ -371,6 +371,9 @@ 
#define GEN9_WM_CHICKEN3			_MMIO(0x5588)

#define   GEN9_FACTOR_IN_CLR_VAL_HIZ		(1 << 9)



#define CHICKEN_RASTER_1			_MMIO(0x6204)

#define   DIS_SF_ROUND_NEAREST_EVEN		REG_BIT(8)



#define VFLSKPD					_MMIO(0x62a8)

#define   DIS_OVER_FETCH_CACHE			REG_BIT(1)

#define   DIS_MULT_MISS_RD_SQUASH		REG_BIT(0)

drivers/gpu/drm/i915/gt/intel_workarounds.c

+3 −0
Original line number Diff line number Diff line
@@ -689,6 +689,9 @@ 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_15010599737:dg2 */

	wa_masked_en(wal, CHICKEN_RASTER_1, DIS_SF_ROUND_NEAREST_EVEN);

}



static void fakewa_disable_nestedbb_mode(struct intel_engine_cs *engine,