drm/i915/chv: Implement WaDisableSDEUnitClockGating: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 14cd13f7267f27dd6252fca887c8386531d0e9aa..605d8e91e67e78a8b288dabfa63575fac28b7b45 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5397,6 +5397,10 @@ static void cherryview_init_clock_gating(struct drm_device *dev)
        /* WaDisableCSUnitClockGating:chv */
        I915_WRITE(GEN6_UCGCTL1, I915_READ(GEN6_UCGCTL1) |
                   GEN6_CSUNIT_CLOCK_GATE_DISABLE);
+
+       /* WaDisableSDEUnitClockGating:chv */
+       I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) |
+                  GEN8_SDEUNIT_CLOCK_GATE_DISABLE);
 }
 
 static void g4x_init_clock_gating(struct drm_device *dev)