Commit 61be0f48 authored by José Roberto de Souza's avatar José Roberto de Souza
Browse files

drm/i915/dg2: Add workaround 18019627453 



A new DG2 workaround added to fix some corner cases hangs.

v2:
- implementing the second and preferred option for this workaround

BSpec: 54077
BSpec: 68173
BSpec: 71488
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: default avatarJosé Roberto de Souza <jose.souza@intel.com>
Reviewed-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220419182753.364237-2-jose.souza@intel.com
parent 307f722b

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

+4 −0
Original line number Diff line number Diff line
@@ -2194,11 +2194,15 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) 
		 */

		wa_write_or(wal, GEN7_FF_THREAD_MODE,

			    GEN12_FF_TESSELATION_DOP_GATE_DISABLE);

	}



	if (IS_ALDERLAKE_P(i915) || IS_DG2(i915) || IS_ALDERLAKE_S(i915) ||

	    IS_DG1(i915) || IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) {

		/*

		 * Wa_1606700617:tgl,dg1,adl-p

		 * Wa_22010271021:tgl,rkl,dg1,adl-s,adl-p

		 * Wa_14010826681:tgl,dg1,rkl,adl-p

		 * Wa_18019627453:dg2

		 */

		wa_masked_en(wal,

			     GEN9_CS_DEBUG_MODE1,