diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index e390ad2bac4119089db609040eaf13c6d51dca8a..4428018672d3c7d977ae84542f23dc2ae9203f93 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -1095,7 +1095,7 @@ static int sdma_v4_0_load_microcode(struct amdgpu_device *adev)
 static int sdma_v4_0_start(struct amdgpu_device *adev)
 {
 	struct amdgpu_ring *ring;
-	int i, r;
+	int i, r = 0;
 
 	if (amdgpu_sriov_vf(adev)) {
 		sdma_v4_0_ctx_switch_enable(adev, false);