[Intel-gfx] [PATCH 14/67] drm/i915/cnl: WaDisableEnhancedSBEVertexCaching

[Rodrigo Vivi]

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.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
---
 drivers/gpu/drm/i915/intel_engine_cs.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index 7a3c8ab..b5599fa 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -955,6 +955,10 @@ 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 */
+	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);
-- 
1.9.1