1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 749420f1ea6f..29fc45ce64dd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -104,10 +104,11 @@ int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type,
                 }
                 break;
         case AMDGPU_HW_IP_DMA:
-                if (ring < 2) {
-                        *out_ring = &adev->sdma[ring].ring;
+                if (ring < adev->sdma.num_instances) {
+                        *out_ring = &adev->sdma.instance[ring].ring;
                 } else {
-                        DRM_ERROR("only two SDMA rings are supported\n");
+                        DRM_ERROR("only %d SDMA rings are supported\n",
+                                  adev->sdma.num_instances);
                         return -EINVAL;
                 }
                 break;