--- a/sys/dev/drm/radeon/ni_dpm.c
+++ b/sys/dev/drm/radeon/ni_dpm.c
@@ -3586,6 +3586,11 @@ int ni_dpm_enable(struct radeon_device *rdev)
 	struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
 	int ret;
 
+	if (boot_ps == NULL) {
+		DRM_ERROR("no boot power state in VBIOS power table\n");
+		return -EINVAL;
+	}
+
 	if (pi->gfx_clock_gating)
 		ni_cg_clockgating_default(rdev);
 	if (btc_dpm_enabled(rdev))