1 files changed, 5 insertions, 45 deletions

diff --git a/drivers/gpu/drm/qxl/qxl_release.c b/drivers/gpu/drm/qxl/qxl_release.c
index d4f26075383d..b19f2f00b215 100644
--- a/drivers/gpu/drm/qxl/qxl_release.c
+++ b/drivers/gpu/drm/qxl/qxl_release.c
@@ -58,56 +58,16 @@ static long qxl_fence_wait(struct dma_fence *fence, bool intr,
 			   signed long timeout)
 {
 	struct qxl_device *qdev;
-	struct qxl_release *release;
-	int count = 0, sc = 0;
-	bool have_drawable_releases;
 	unsigned long cur, end = jiffies + timeout;
 
 	qdev = container_of(fence->lock, struct qxl_device, release_lock);
-	release = container_of(fence, struct qxl_release, base);
-	have_drawable_releases = release->type == QXL_RELEASE_DRAWABLE;
-
-retry:
-	sc++;
-
-	if (dma_fence_is_signaled(fence))
-		goto signaled;
-
-	qxl_io_notify_oom(qdev);
-
-	for (count = 0; count < 11; count++) {
-		if (!qxl_queue_garbage_collect(qdev, true))
-			break;
-
-		if (dma_fence_is_signaled(fence))
-			goto signaled;
-	}
-
-	if (dma_fence_is_signaled(fence))
-		goto signaled;
 
-	if (have_drawable_releases || sc < 4) {
-		if (sc > 2)
-			/* back off */
-			usleep_range(500, 1000);
-
-		if (time_after(jiffies, end))
-			return 0;
-
-		if (have_drawable_releases && sc > 300) {
-			DMA_FENCE_WARN(fence,
-				       "failed to wait on release %llu after spincount %d\n",
-				       fence->context & ~0xf0000000, sc);
-			goto signaled;
-		}
-		goto retry;
-	}
-	/*
-	 * yeah, original sync_obj_wait gave up after 3 spins when
-	 * have_drawable_releases is not set.
-	 */
+	if (!wait_event_timeout(qdev->release_event,
+				(dma_fence_is_signaled(fence) ||
+				 (qxl_io_notify_oom(qdev), 0)),
+				timeout))
+		return 0;
 
-signaled:
 	cur = jiffies;
 	if (time_after(cur, end))
 		return 0;