drm/radeon/si: add missing radeon_bo_unreserve in si_rlc_init() v2

Forget to unreserve after pinning.  This can lead to problems in
soft reset and resume.

v2: rework patch as per Michel's suggestion.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/radeon/si.c

@@ -2999,8 +2999,8 @@ int si_rlc_init(struct radeon_device *rdev)
 	}
 	r = radeon_bo_pin(rdev->rlc.save_restore_obj, RADEON_GEM_DOMAIN_VRAM,
 			  &rdev->rlc.save_restore_gpu_addr);
-	if (r) {
 	radeon_bo_unreserve(rdev->rlc.save_restore_obj);
+	if (r) {
 		dev_warn(rdev->dev, "(%d) pin RLC sr bo failed\n", r);
 		si_rlc_fini(rdev);
 		return r;
@@ -3023,9 +3023,8 @@ int si_rlc_init(struct radeon_device *rdev)
 	}
 	r = radeon_bo_pin(rdev->rlc.clear_state_obj, RADEON_GEM_DOMAIN_VRAM,
 			  &rdev->rlc.clear_state_gpu_addr);
-	if (r) {
-
 	radeon_bo_unreserve(rdev->rlc.clear_state_obj);
+	if (r) {
 		dev_warn(rdev->dev, "(%d) pin RLC c bo failed\n", r);
 		si_rlc_fini(rdev);
 		return r;