1 files changed, 70 insertions, 30 deletions

diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index ae21550..6804e7e 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -6821,6 +6821,73 @@ restart_ih:
 /*
  * startup/shutdown callbacks
  */
+static void si_uvd_init(struct radeon_device *rdev)
+{
+	int r;
+
+	if (!rdev->has_uvd)
+		return;
+
+	r = radeon_uvd_init(rdev);
+	if (r) {
+		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
+		/*
+		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
+		 * to early fails uvd_v2_2_resume() and thus nothing happens
+		 * there. So it is pointless to try to go through that code
+		 * hence why we disable uvd here.
+		 */
+		rdev->has_uvd = 0;
+		return;
+	}
+	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
+	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
+}
+
+static void si_uvd_start(struct radeon_device *rdev)
+{
+	int r;
+
+	if (!rdev->has_uvd)
+		return;
+
+	r = uvd_v2_2_resume(rdev);
+	if (r) {
+		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
+		goto error;
+	}
+	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
+	if (r) {
+		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
+		goto error;
+	}
+	return;
+
+error:
+	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
+}
+
+static void si_uvd_resume(struct radeon_device *rdev)
+{
+	struct radeon_ring *ring;
+	int r;
+
+	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
+		return;
+
+	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
+	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, RADEON_CP_PACKET2);
+	if (r) {
+		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
+		return;
+	}
+	r = uvd_v1_0_init(rdev);
+	if (r) {
+		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
+		return;
+	}
+}
+
 static int si_startup(struct radeon_device *rdev)
 {
 	struct radeon_ring *ring;
@@ -6899,17 +6966,7 @@ static int si_startup(struct radeon_device *rdev)
 		return r;
 	}
 
-	if (rdev->has_uvd) {
-		r = uvd_v2_2_resume(rdev);
-		if (!r) {
-			r = radeon_fence_driver_start_ring(rdev,
-							   R600_RING_TYPE_UVD_INDEX);
-			if (r)
-				dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
-		}
-		if (r)
-			rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
-	}
+	si_uvd_start(rdev);
 
 	r = radeon_vce_resume(rdev);
 	if (!r) {
@@ -6983,17 +7040,7 @@ static int si_startup(struct radeon_device *rdev)
 	if (r)
 		return r;
 
-	if (rdev->has_uvd) {
-		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
-		if (ring->ring_size) {
-			r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
-					     RADEON_CP_PACKET2);
-			if (!r)
-				r = uvd_v1_0_init(rdev);
-			if (r)
-				DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
-		}
-	}
+	si_uvd_resume(rdev);
 
 	r = -ENOENT;
 
@@ -7169,14 +7216,7 @@ int si_init(struct radeon_device *rdev)
 	ring->ring_obj = NULL;
 	r600_ring_init(rdev, ring, 64 * 1024);
 
-	if (rdev->has_uvd) {
-		r = radeon_uvd_init(rdev);
-		if (!r) {
-			ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
-			ring->ring_obj = NULL;
-			r600_ring_init(rdev, ring, 4096);
-		}
-	}
+	si_uvd_init(rdev);
 
 	r = radeon_vce_init(rdev);
 	if (!r) {