drm/radeon: remove radeon_fence_create

It is completely unnecessary to create fences
before they are emitted, so remove it and a bunch
of checks if fences are emitted or not.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index bff6272..a80e61e 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2309,7 +2309,7 @@
 		   uint64_t src_offset,
 		   uint64_t dst_offset,
 		   unsigned num_gpu_pages,
-		   struct radeon_fence *fence)
+		   struct radeon_fence **fence)
 {
 	struct radeon_sa_bo *vb = NULL;
 	int r;
@@ -2607,7 +2607,7 @@
  */
 void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
 {
-	struct radeon_ring *ring = &rdev->ring[ib->fence->ring];
+	struct radeon_ring *ring = &rdev->ring[ib->ring];
 
 	/* FIXME: implement */
 	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));