drm/i915: Confine page flips to BCS on Valleyview

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / i915 / intel_display.c

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 0534d5b9b3e398a8eaca73bf0081dd7055792c34..0ee89011c19af2e8d33fa6f8efa93f64aca1fa71 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7844,7 +7844,7 @@ static int intel_gen7_queue_flip(struct drm_device *dev,
        int len, ret;
 
        ring = obj->ring;
-       if (ring == NULL || ring->id != RCS)
+       if (IS_VALLEYVIEW(dev) || ring == NULL || ring->id != RCS)
                ring = &dev_priv->ring[BCS];
 
        ret = intel_pin_and_fence_fb_obj(dev, obj, ring);