[PATCH libdrm] libdrm_amdgpu: add kernel semaphore support

[Marek Olšák]

On Thu, Jul 6, 2017 at 3:17 AM, Dave Airlie <airlied at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com>
>
> This adds kernel semaphore support to the command submission
> interface in what should be a backwards compatible manner,
> it adds a new command submission API.
>
> Signed-off-by: Dave Airlie <airlied at redhat.com>
> ---
>  amdgpu/amdgpu.h    |  29 ++++++++++++-
>  amdgpu/amdgpu_cs.c | 118 +++++++++++++++++++++++++++++++++++++++++++++++++----
>  2 files changed, 138 insertions(+), 9 deletions(-)
>
> diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
> index 1901fa8..649b66e 100644
> --- a/amdgpu/amdgpu.h
> +++ b/amdgpu/amdgpu.h
> @@ -369,6 +369,16 @@ struct amdgpu_cs_request {
>         struct amdgpu_cs_fence_info fence_info;
>  };
>
> +struct amdgpu_cs_request_syncobj {
> +       /*
> +        *
> +        */

Did you mean to fill in the comment here?

Also, is this interface relevant with the raw CS API?

Marek

> +       uint32_t number_in_syncobj;
> +       uint32_t number_out_syncobj;
> +       uint32_t *in_syncobj;
> +       uint32_t *out_syncobj;