[Intel-gfx] [PATCH 3/3] drm/i915/bxt: Add WaForceContextSaveRestoreNonCoherent

[Nick Hoath]

Signed-off-by: Nick Hoath <nicholas.hoath at intel.com>
---
 drivers/gpu/drm/i915/intel_ringbuffer.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index eebee73..cc62e5c 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1054,6 +1054,10 @@ static int bxt_init_workarounds(struct intel_engine_cs *ring)
 			GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
 	}
 
+	/* WaForceContextSaveRestoreNonCoherent:bxt */
+	WA_SET_BIT_MASKED(HDC_CHICKEN0,
+			  HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT);
+
 	return 0;
 }
 
-- 
2.1.1