WA forTDS handle reallocation getting dropped by SDE, which may result in PS attribute corruption. Disable enhanced SBE vertex caching in COMMON_SLICE_CHICKEN2 offset. v2: Make it until B0 as spec tells. (by Mika). Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx> Reviewed-by: Oscar Mateo <oscar.mateo@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_engine_cs.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index e66817d5d4ad..d23f18874309 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -1074,6 +1074,11 @@ static int cnl_init_workarounds(struct intel_engine_cs *engine) WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2, GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION); + /* WaDisableEnhancedSBEVertexCaching:cnl (pre-prod) */ + if (IS_CNL_REVID(dev_priv, 0, CNL_REVID_B0)) + WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2, + GEN8_CSC2_SBE_VUE_CACHE_CONSERVATIVE); + /* WaInPlaceDecompressionHang:cnl */ WA_SET_BIT(GEN9_GAMT_ECO_REG_RW_IA, GAMT_ECO_ENABLE_IN_PLACE_DECOMPRESS); -- 2.13.2 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
