drm/radeon: fix count in cik_sdma_ring_test()

Should be 5 rather than 4.

Noticed-by: Mathias Fröhlich <Mathias.Froehlich@gmx.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Christian König <christian.koenig@amd.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c
index 89b4afa5041c..f7e46cf682af 100644
--- a/drivers/gpu/drm/radeon/cik_sdma.c
+++ b/drivers/gpu/drm/radeon/cik_sdma.c
@@ -597,7 +597,7 @@ int cik_sdma_ring_test(struct radeon_device *rdev,
         tmp = 0xCAFEDEAD;
         writel(tmp, ptr);
 
-        r = radeon_ring_lock(rdev, ring, 4);
+        r = radeon_ring_lock(rdev, ring, 5);
         if (r) {
                 DRM_ERROR("radeon: dma failed to lock ring %d (%d).\n", ring->idx, r);
                 return r;