[PATCH] drm/i915/skl WaDisableSbeCacheDispatchPortSharing

Mika Kuoppala
2015-08-06T13:51:00Z

Add WaDisableSbeCacheDispatchPortSharing:skl

Cc: Arun Siluvery <arun.siluvery@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
---
drivers/gpu/drm/i915/intel_ringbuffer.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 1c14233..1a10358 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1059,6 +1059,13 @@ static int skl_init_workarounds(struct intel_engine_cs *ring)
HDC_FENCE_DEST_SLM_DISABLE |
HDC_BARRIER_PERFORMANCE_DISABLE);

+ /* WaDisableSbeCacheDispatchPortSharing:skl */
+ if (INTEL_REVID(dev) <= SKL_REVID_F0) {
+ WA_SET_BIT_MASKED(
+ GEN7_HALF_SLICE_CHICKEN1,
+ GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
+ }
+
return skl_tune_iz_hashing(ring);
}

--
2.1.4