drm/i915: Remove duplicated WaForceL3Serialization:vlv

No need to apply WaForceL3Serialization:vlv twice.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index b27bda0..159254f 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4834,10 +4834,6 @@ static void valleyview_init_clock_gating(struct drm_device *dev)
        I915_WRITE(GEN7_ROW_CHICKEN2,
                   _MASKED_BIT_ENABLE(DOP_CLOCK_GATING_DISABLE));
 
-       /* WaForceL3Serialization:vlv */
-       I915_WRITE(GEN7_L3SQCREG4, I915_READ(GEN7_L3SQCREG4) &
-                  ~L3SQ_URB_READ_CAM_MATCH_DISABLE);
-
        /* This is required by WaCatErrorRejectionIssue:vlv */
        I915_WRITE(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG,
                   I915_READ(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG) |