From: José Roberto de Souza Date: Tue, 19 Apr 2022 18:27:53 +0000 (-0700) Subject: drm/i915/dg2: Add workaround 18019627453 X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=61be0f48c50a82f505d34e36b9d538d6eeab62b6;p=linux.git 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 Signed-off-by: José Roberto de Souza Reviewed-by: Matt Roper Link: https://patchwork.freedesktop.org/patch/msgid/20220419182753.364237-2-jose.souza@intel.com --- diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 29c8cd0a81b6f..a05c4b99b3fbc 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -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,