diff --git a/src/drm-shim/device.c b/src/drm-shim/device.c
index d5ddd66fdf7..dc7294050c9 100644
--- a/src/drm-shim/device.c
+++ b/src/drm-shim/device.c
@@ -179,6 +179,18 @@ drm_shim_ioctl_version(int fd, unsigned long request, void *arg)
    return 0;
 }
 
+static int
+drm_shim_ioctl_get_unique(int fd, unsigned long request, void *arg)
+{
+   struct drm_unique *gu = arg;
+
+   if (gu->unique && shim_device.unique)
+      strncpy(gu->unique, shim_device.unique, gu->unique_len);
+   gu->unique_len = shim_device.unique ? strlen(shim_device.unique) : 0;
+
+   return 0;
+}
+
 static int
 drm_shim_ioctl_get_cap(int fd, unsigned long request, void *arg)
 {
@@ -240,6 +252,7 @@ drm_shim_ioctl_stub(int fd, unsigned long request, void *arg)
 
 ioctl_fn_t core_ioctls[] = {
    [_IOC_NR(DRM_IOCTL_VERSION)] = drm_shim_ioctl_version,
+   [_IOC_NR(DRM_IOCTL_GET_UNIQUE)] = drm_shim_ioctl_get_unique,
    [_IOC_NR(DRM_IOCTL_GET_CAP)] = drm_shim_ioctl_get_cap,
    [_IOC_NR(DRM_IOCTL_GEM_CLOSE)] = drm_shim_ioctl_gem_close,
    [_IOC_NR(DRM_IOCTL_SYNCOBJ_CREATE)] = drm_shim_ioctl_syncobj_create,
diff --git a/src/drm-shim/drm_shim.h b/src/drm-shim/drm_shim.h
index 503a9109d69..579d700b8e5 100644
--- a/src/drm-shim/drm_shim.h
+++ b/src/drm-shim/drm_shim.h
@@ -54,6 +54,10 @@ struct shim_device {
 
    /* Returned by drmGetVersion(). */
    const char *driver_name;
+
+   /* Returned by drmGetBusid(). */
+   const char *unique;
+
    int version_major, version_minor, version_patchlevel;
    int bus_type;
 };