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drm/i915: fully switch off overlay when not in use

Now that the cache flushing of the memory based overlay regs works,
we can safely switch off the overlay. Beforehand it was only disabled
(like in userspace).

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
Daniel Vetter 15 жил өмнө
parent
commit
240a2d12df

+ 1 - 2
drivers/gpu/drm/i915/intel_overlay.c

@@ -323,7 +323,6 @@ static int intel_overlay_off(struct intel_overlay *overlay)
 	}
 
 	/* turn overlay off */
-	/* this is not done in userspace!
 	BEGIN_LP_RING(6);
         OUT_RING(MI_FLUSH);
         OUT_RING(MI_NOOP);
@@ -338,7 +337,7 @@ static int intel_overlay_off(struct intel_overlay *overlay)
 		DRM_ERROR("intel overlay: ring sync failed, hw likely wedged\n");
 		overlay->hw_wedged = 1;
 		return ret;
-	}*/
+	}
 
 	overlay->active = 0;