drm/i915/chv: Implement WaVSRefCountFullforceMissDisable:chv and WaDSRefCountFullforc...

Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.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 a4124ec6376a4c08221661fb3c9f3bf27da0ee7e..7220c11e60b4cfe6bffaed2efdc94f702d63b732 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5383,6 +5383,12 @@ static void cherryview_init_clock_gating(struct drm_device *dev)
        /* WaDisableThreadStallDopClockGating:chv */
        I915_WRITE(GEN8_ROW_CHICKEN,
                   _MASKED_BIT_ENABLE(STALL_DOP_GATING_DISABLE));
+
+       /* WaVSRefCountFullforceMissDisable:chv */
+       /* WaDSRefCountFullforceMissDisable:chv */
+       I915_WRITE(GEN7_FF_THREAD_MODE,
+                  I915_READ(GEN7_FF_THREAD_MODE) &
+                  ~(GEN8_FF_DS_REF_CNT_FFME | GEN7_FF_VS_REF_CNT_FFME));
 }
 
 static void g4x_init_clock_gating(struct drm_device *dev)