Re: [PATCH drm-misc-next v3 4/7] drm/gpuvm: common dma-resv per struct drm_gpuvm

[Boris Brezillon]

On Sat,  9 Sep 2023 17:31:11 +0200
Danilo Krummrich <dakr@xxxxxxxxxx> wrote:

> @@ -240,9 +240,22 @@ struct drm_gpuvm {
>  	 * @ops: &drm_gpuvm_ops providing the split/merge steps to drivers
>  	 */
>  	const struct drm_gpuvm_ops *ops;
> +
> +	/**
> +	 * @d_obj: Dummy GEM object; used internally to pass the GPU VMs
> +	 * dma-resv to &drm_exec.
> +	 */
> +	struct drm_gem_object d_obj;
> +
> +	/**
> +	 * @resv: the &dma_resv for &drm_gem_objects mapped in this GPU VA
> +	 * space
> +	 */
> +	struct dma_resv *resv;

Hm, I'd be tempted to drop this field and add a drm_gpuvm_resv() helper
returning vm->d_obj.resv;

>  };