1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 0302a9f3e674..6c534f42ef7b 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -721,6 +721,10 @@ int radeon_device_init(struct radeon_device *rdev,
         rdev->usec_timeout = RADEON_MAX_USEC_TIMEOUT;
         rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
         rdev->accel_working = false;
+        /* set up ring ids */
+        for (i = 0; i < RADEON_NUM_RINGS; i++) {
+                rdev->ring[i].idx = i;
+        }
 
         DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X).\n",
                 radeon_family_name[rdev->family], pdev->vendor, pdev->device,