drm/i915/chv: Implement WaDisableThreadStallDopClockGating:chv

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 cb6deaf126a0b8f0d94ad8498bf554ab62f9f6e6..a4124ec6376a4c08221661fb3c9f3bf27da0ee7e 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5379,6 +5379,10 @@ static void cherryview_init_clock_gating(struct drm_device *dev)
        /* WaDisablePartialInstShootdown:chv */
        I915_WRITE(GEN8_ROW_CHICKEN,
                   _MASKED_BIT_ENABLE(PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE));
+
+       /* WaDisableThreadStallDopClockGating:chv */
+       I915_WRITE(GEN8_ROW_CHICKEN,
+                  _MASKED_BIT_ENABLE(STALL_DOP_GATING_DISABLE));
 }
 
 static void g4x_init_clock_gating(struct drm_device *dev)