drm/amdgpu: Add asic func interface to init doorbell index

			       struct amdgpu_ring *ring);

	/* check if the asic needs a full reset of if soft reset will work */

	bool (*need_full_reset)(struct amdgpu_device *adev);

	/* initialize doorbell layout for specific asic*/

	void (*init_doorbell_index)(struct amdgpu_device *adev);

};

/*

#define amdgpu_asic_flush_hdp(adev, r) (adev)->asic_funcs->flush_hdp((adev), (r))

#define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r))

#define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))

#define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))

/* Common functions */

bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);