On Mon, Sep 26, 2016 at 03:01:52PM +0200, Marek Vasut wrote:
> Add .prepare_fb and .cleanup_fb plane hooks into the drm_simple_kms.
> These can be used by drivers to call ie. the drm_fb_cma_setup_fence()
> helper.
>
> Signed-off-by: Marek Vasut <marex@xxxxxxx>
> Cc: Noralf Trønnes <noralf@xxxxxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> ---
> drivers/gpu/drm/drm_simple_kms_helper.c | 26 ++++++++++++++++++++++++++
> include/drm/drm_simple_kms_helper.h | 18 ++++++++++++++++++
> 2 files changed, 44 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_simple_kms_helper.c b/drivers/gpu/drm/drm_simple_kms_helper.c
> index 7b6d26e..7bae08c 100644
> --- a/drivers/gpu/drm/drm_simple_kms_helper.c
> +++ b/drivers/gpu/drm/drm_simple_kms_helper.c
> @@ -125,7 +125,33 @@ static void drm_simple_kms_plane_atomic_update(struct drm_plane *plane,
> pipe->funcs->update(pipe, pstate);
> }
>
> +static int drm_simple_kms_plane_prepare_fb(struct drm_plane *plane,
> + struct drm_plane_state *state)
> +{
> + struct drm_simple_display_pipe *pipe;
> +
> + pipe = container_of(plane, struct drm_simple_display_pipe, plane);
> + if (!pipe->funcs || !pipe->funcs->prepare_fb)
> + return 0;
> +
> + return pipe->funcs->prepare_fb(pipe, state);
> +}
> +
> +static void drm_simple_kms_plane_cleanup_fb(struct drm_plane *plane,
> + struct drm_plane_state *state)
> +{
> + struct drm_simple_display_pipe *pipe;
> +
> + pipe = container_of(plane, struct drm_simple_display_pipe, plane);
> + if (!pipe->funcs || !pipe->funcs->cleanup_fb)
> + return;
> +
> + pipe->funcs->cleanup_fb(pipe, state);
> +}
> +
> static const struct drm_plane_helper_funcs drm_simple_kms_plane_helper_funcs = {
> + .prepare_fb = drm_simple_kms_plane_prepare_fb,
> + .cleanup_fb = drm_simple_kms_plane_cleanup_fb,
> .atomic_check = drm_simple_kms_plane_atomic_check,
> .atomic_update = drm_simple_kms_plane_atomic_update,
> };
> diff --git a/include/drm/drm_simple_kms_helper.h b/include/drm/drm_simple_kms_helper.h
> index 5d112f7..1f55488 100644
> --- a/include/drm/drm_simple_kms_helper.h
> +++ b/include/drm/drm_simple_kms_helper.h
> @@ -69,6 +69,24 @@ struct drm_simple_display_pipe_funcs {
> */
> void (*update)(struct drm_simple_display_pipe *pipe,
> struct drm_plane_state *plane_state);
> +
> + /**
> + * @prepare_fb:
> + *
> + * Optional, calls drm_plane_helper_funcs->prepare_fb , refer to
s/calls/called by/.
> + * the documentation in drm_modeset_helper_vtables.h .
Please insert a direct link to the right structure using "struct
&drm_plane_helper_funcs". Please run
$ make htmldocs
to make sure it's all pretty and the links work.
Code itself lgtm.
-Daniel
> + */
> + int (*prepare_fb)(struct drm_simple_display_pipe *pipe,
> + struct drm_plane_state *plane_state);
> +
> + /**
> + * @cleanup_fb:
> + *
> + * Optional, calls drm_plane_helper_funcs->cleanup_fb , refer to
> + * the documentation in drm_modeset_helper_vtables.h .
> + */
> + void (*cleanup_fb)(struct drm_simple_display_pipe *pipe,
> + struct drm_plane_state *plane_state);
> };
>
> /**
> --
> 2.9.3
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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