We still had one lingering RMW in ivb_sprite_disable(), all the other
RMWs were killed off from the sprite code some time ago. Kill the
straggler too.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
        struct intel_plane *intel_plane = to_intel_plane(plane);
        int pipe = intel_plane->pipe;
 
-       I915_WRITE(SPRCTL(pipe), I915_READ(SPRCTL(pipe)) & ~SPRITE_ENABLE);
+       I915_WRITE(SPRCTL(pipe), 0);
        /* Can't leave the scaler enabled... */
        if (intel_plane->can_scale)
                I915_WRITE(SPRSCALE(pipe), 0);