drm/i915: Remove redundant flip_work->flip_queued_ring
[pandora-kernel.git] / drivers / gpu / drm / i915 / intel_display.c
index e216cb7..376ec89 100644 (file)
@@ -9132,7 +9132,6 @@ static void intel_unpin_work_fn(struct work_struct *__work)
        if (work->flip_queued_req)
                i915_gem_request_unreference(work->flip_queued_req);
        work->flip_queued_req  = NULL;
-       work->flip_queued_ring = NULL;
        mutex_unlock(&dev->struct_mutex);
 
        intel_frontbuffer_flip_complete(dev, INTEL_FRONTBUFFER_PRIMARY(pipe));
@@ -9741,10 +9740,9 @@ static bool __intel_pageflip_stall_check(struct drm_device *dev,
                return false;
 
        if (work->flip_ready_vblank == 0) {
-               if (work->flip_queued_ring) {
-                       if (!i915_gem_request_completed(work->flip_queued_req, true))
-                               return false;
-               }
+               if (work->flip_queued_req &&
+                   !i915_gem_request_completed(work->flip_queued_req, true))
+                       return false;
 
                work->flip_ready_vblank = drm_vblank_count(dev, intel_crtc->pipe);
        }
@@ -9910,8 +9908,6 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
 
                i915_gem_request_assign(&work->flip_queued_req,
                                        obj->last_write_req);
-               work->flip_queued_ring =
-                               i915_gem_request_get_ring(obj->last_write_req);
        } else {
                ret = dev_priv->display.queue_flip(dev, crtc, fb, obj, ring,
                                                   page_flip_flags);
@@ -9920,7 +9916,6 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
 
                i915_gem_request_assign(&work->flip_queued_req,
                                        intel_ring_get_request(ring));
-               work->flip_queued_ring = ring;
        }
 
        work->flip_queued_vblank = drm_vblank_count(dev, intel_crtc->pipe);