Signed-off-by: Arun Siluvery <arun.siluv...@linux.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 d2e0b3b..0e1ed0b 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -983,6 +983,13 @@ static int gen9_init_workarounds(struct intel_engine_cs 
*ring)
                tmp |= HDC_FORCE_CSR_NON_COHERENT_OVR_DISABLE;
        WA_SET_BIT_MASKED(HDC_CHICKEN0, tmp);
 
+       /* WaDisableSamplerPowerBypassForSOPingPong:skl,bxt */
+       if (IS_SKYLAKE(dev) ||
+           (IS_BROXTON(dev) && INTEL_REVID(dev) <= BXT_REVID_B0)) {
+               WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3,
+                                 GEN8_SAMPLER_POWER_BYPASS_DIS);
+       }
+
        return 0;
 }
 
-- 
1.9.1

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