1 files changed, 18 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 914789420906..e0aa064def31 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6158,17 +6158,34 @@ static int intel_gen7_queue_flip(struct drm_device *dev,
         struct drm_i915_private *dev_priv = dev->dev_private;
         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
         struct intel_ring_buffer *ring = &dev_priv->ring[BCS];
+        uint32_t plane_bit = 0;
         int ret;
 
         ret = intel_pin_and_fence_fb_obj(dev, obj, ring);
         if (ret)
                 goto err;
 
+        switch(intel_crtc->plane) {
+        case PLANE_A:
+                plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_A;
+                break;
+        case PLANE_B:
+                plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_B;
+                break;
+        case PLANE_C:
+                plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_C;
+                break;
+        default:
+                WARN_ONCE(1, "unknown plane in flip command\n");
+                ret = -ENODEV;
+                goto err;
+        }
+
         ret = intel_ring_begin(ring, 4);
         if (ret)
                 goto err_unpin;
 
-        intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | (intel_crtc->plane << 19));
+        intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit);
         intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode));
         intel_ring_emit(ring, (obj->gtt_offset));
         intel_ring_emit(ring, (MI_NOOP));