On 10/05/2016 03:18 PM, Daniel Vetter wrote:
> On Sun, Oct 02, 2016 at 07:01:24PM +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>
>> ---
>> V2: Fix the documentation style to play well with make htmldocs
>> V3: Re-add the clause about finding more details in drm_plane_helper_funcs
>
> Real pretty now I think ;-) Applied to drm-misc, thanks.
Appreciate your patience with my borderline clueless hacking, thanks.
> -Daniel
>
>> ---
>> drivers/gpu/drm/drm_simple_kms_helper.c | 26 ++++++++++++++++++++++++++
>> include/drm/drm_simple_kms_helper.h | 20 ++++++++++++++++++++
>> 2 files changed, 46 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..01a8436 100644
>> --- a/include/drm/drm_simple_kms_helper.h
>> +++ b/include/drm/drm_simple_kms_helper.h
>> @@ -69,6 +69,26 @@ struct drm_simple_display_pipe_funcs {
>> */
>> void (*update)(struct drm_simple_display_pipe *pipe,
>> struct drm_plane_state *plane_state);
>> +
>> + /**
>> + * @prepare_fb:
>> + *
>> + * Optional, called by struct &drm_plane_helper_funcs ->prepare_fb .
>> + * Please read the documentation for the ->prepare_fb hook in
>> + * struct &drm_plane_helper_funcs for more details.
>> + */
>> + int (*prepare_fb)(struct drm_simple_display_pipe *pipe,
>> + struct drm_plane_state *plane_state);
>> +
>> + /**
>> + * @cleanup_fb:
>> + *
>> + * Optional, called by struct &drm_plane_helper_funcs ->cleanup_fb .
>> + * Please read the documentation for the ->cleanup_fb hook in
>> + * struct &drm_plane_helper_funcs for more details.
>> + */
>> + void (*cleanup_fb)(struct drm_simple_display_pipe *pipe,
>> + struct drm_plane_state *plane_state);
>> };
>>
>> /**
>> --
>> 2.9.3
>>
>
--
Best regards,
Marek Vasut
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