On Tue, May 18, 2021 at 11:14:52AM +0000, Simon Ser wrote:
> The kernel versions including the following commits are referenced:
>
> DRM_CLIENT_CAP_STEREO_3D
> 61d8e3282541 ("drm: Add a STEREO_3D capability to the SET_CLIENT_CAP ioctl")
>
> DRM_CLIENT_CAP_UNIVERSAL_PLANES
> 681e7ec73044 ("drm: Allow userspace to ask for universal plane list (v2)")
> c7dbc6c9ae5c ("drm: Remove command line guard for universal planes")
>
> DRM_CLIENT_CAP_ATOMIC
> 88a48e297b3a ("drm: add atomic properties")
> 8b72ce158cf0 ("drm: Always enable atomic API")
>
> DRM_CLIENT_CAP_ASPECT_RATIO
> 7595bda2fb43 ("drm: Add DRM client cap for aspect-ratio")
>
> DRM_CLIENT_CAP_WRITEBACK_CONNECTORS
> d67b6a206507 ("drm: writeback: Add client capability for exposing writeback connectors")
>
> Signed-off-by: Simon Ser <contact@xxxxxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Cc: Daniel Stone <daniels@xxxxxxxxxxxxx>
> Cc: Pekka Paalanen <ppaalanen@xxxxxxxxx>
On the series:
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
btw your threading is busted.
-Daniel
> ---
> include/uapi/drm/drm.h | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h
> index 87878aea4526..ec2b122cdcc5 100644
> --- a/include/uapi/drm/drm.h
> +++ b/include/uapi/drm/drm.h
> @@ -780,6 +780,8 @@ struct drm_get_cap {
> * If set to 1, the DRM core will expose the stereo 3D capabilities of the
> * monitor by advertising the supported 3D layouts in the flags of struct
> * drm_mode_modeinfo. See ``DRM_MODE_FLAG_3D_*``.
> + *
> + * This capability is always supported starting from kernel version 3.13.
> */
> #define DRM_CLIENT_CAP_STEREO_3D 1
>
> @@ -788,6 +790,9 @@ struct drm_get_cap {
> *
> * If set to 1, the DRM core will expose all planes (overlay, primary, and
> * cursor) to userspace.
> + *
> + * This capability has been introduced in kernel version 3.15. Starting from
> + * kernel version 3.17, this capability is always supported.
> */
> #define DRM_CLIENT_CAP_UNIVERSAL_PLANES 2
>
> @@ -797,6 +802,13 @@ struct drm_get_cap {
> * If set to 1, the DRM core will expose atomic properties to userspace. This
> * implicitly enables &DRM_CLIENT_CAP_UNIVERSAL_PLANES and
> * &DRM_CLIENT_CAP_ASPECT_RATIO.
> + *
> + * If the driver doesn't support atomic mode-setting, enabling this capability
> + * will fail with -EOPNOTSUPP.
> + *
> + * This capability has been introduced in kernel version 4.0. Starting from
> + * kernel version 4.2, this capability is always supported for atomic-capable
> + * drivers.
> */
> #define DRM_CLIENT_CAP_ATOMIC 3
>
> @@ -805,6 +817,8 @@ struct drm_get_cap {
> *
> * If set to 1, the DRM core will provide aspect ratio information in modes.
> * See ``DRM_MODE_FLAG_PIC_AR_*``.
> + *
> + * This capability is always supported starting from kernel version 4.18.
> */
> #define DRM_CLIENT_CAP_ASPECT_RATIO 4
>
> @@ -814,6 +828,9 @@ struct drm_get_cap {
> * If set to 1, the DRM core will expose special connectors to be used for
> * writing back to memory the scene setup in the commit. The client must enable
> * &DRM_CLIENT_CAP_ATOMIC first.
> + *
> + * This capability is always supported for atomic-capable drivers starting from
> + * kernel version 4.19.
> */
> #define DRM_CLIENT_CAP_WRITEBACK_CONNECTORS 5
>
> --
> 2.31.1
>
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
