diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 8c7146716d10..70e5aefe239b 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -4587,7 +4587,8 @@ static int gfx_v11_0_hw_init(void *handle)
 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
 		gfx_v11_0_select_cp_fw_arch(adev);
 
-	adev->nbio.funcs->gc_doorbell_init(adev);
+	if (adev->nbio.funcs->gc_doorbell_init)
+		adev->nbio.funcs->gc_doorbell_init(adev);
 
 	r = gfx_v11_0_rlc_resume(adev);
 	if (r)