drm/amdgpu: use mode1 reset by default for sienna_cichlid

Swith default gpu reset method for sienna_cichlid to MODE1 reset.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/nv.c

@@ -362,10 +362,15 @@ nv_asic_reset_method(struct amdgpu_device *adev)
 		dev_warn(adev->dev, "Specified reset method:%d isn't supported, using AUTO instead.\n",
 				  amdgpu_reset_method);
 
+	switch (adev->asic_type) {
+	case CHIP_SIENNA_CICHLID:
+		return AMD_RESET_METHOD_MODE1;
+	default:
 		if (smu_baco_is_support(smu))
 			return AMD_RESET_METHOD_BACO;
 		else
 			return AMD_RESET_METHOD_MODE1;
+	}
 }
 
 static int nv_asic_reset(struct amdgpu_device *adev)