On Fri, Nov 17, 2017 at 11:49:28AM +0100, Christian König wrote:
> Give moving a BO into place an operation context to work with.
>
> v2: rebased
>
> Signed-off-by: Christian König <christian.koenig@xxxxxxx>
> Reviewed-by: Michel Dänzer <michel.daenzer@xxxxxxx>
> ---
> diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
> index 833c3ad24091..097951e999bc 100644
> --- a/include/drm/ttm/ttm_bo_api.h
> +++ b/include/drm/ttm/ttm_bo_api.h
> @@ -259,6 +259,20 @@ struct ttm_bo_kmap_obj {
> };
>
> /**
> + * struct ttm_operation_ctx
> + *
> + * @interruptible: Sleep interruptible if sleeping.
> + * @no_wait_gpu: Return immediately if the GPU is busy.
> + *
> + * Context for TTM operations like changing buffer placement or general memory
> + * allocation.
> + */
> +struct ttm_operation_ctx {
> + bool interruptible;
> + bool no_wait_gpu;
Random drive-by comment without looking at how this would work out, but
maybe embed the ww_acquire_ctx in here too? That's at least the design we
ended up with on the kms side for a (at a quick glance) fairly similar
problem. See struct drm_modeset_acquire_ctx.
Cheers, Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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