[Intel-gfx] [PATCH v2 1/2] drm: Wrap the check for atomic_commit implementation

[Ander Conselvan De Oliveira]

On Wed, 2016-12-21 at 12:12 -0800, Dhinakaran Pandiyan wrote:
> This check is useful for drivers that do not have DRIVER_ATOMIC set but
> have atomic modesetting internally implemented. Wrap the check into a
> function since this is used in many places and as a bonus, the function
> name helps to document what the check is for.
> 
> v2:
> Change return type to bool (Ville)
> Move the function drm_atomic.h (Daniel)
> 
> Suggested-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> Cc: Ben Skeggs <bskeggs at redhat.com>
> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>
> ---
>  drivers/gpu/drm/drm_fb_helper.c             |  6 +++---
>  drivers/gpu/drm/nouveau/nouveau_connector.c |  5 +++--
>  drivers/gpu/drm/nouveau/nouveau_display.c   |  6 +++---
>  drivers/gpu/drm/nouveau/nouveau_fbcon.c     |  3 ++-
>  include/drm/drm_atomic.h                    | 11 
> +++++++++++
>  5 files changed, 22 insertions(+), 9 deletions(-)
> 

...

> diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
> index 8cc7ca2..43db162 100644
> --- a/include/drm/drm_atomic.h
> +++ b/include/drm/drm_atomic.h
> @@ -419,5 +419,16 @@ drm_atomic_crtc_needs_modeset(const struct drm_crtc_state
> *state)
>             state->connectors_changed;
>  }
>  
> +/* drm_drv_uses_atomic_modeset - check if the driver implements

Shouldn't this be

/**
 * drm_drv_uses_atomic_modeset - ...

so it is included in the generated documentation?

Ander


> + * atomic_commit()
> + * @dev: DRM device
> + *
> + * This check is useful if drivers do not have DRIVER_ATOMIC set but
> + * have atomic modesetting internally implemented.
> + */
> +static inline bool drm_drv_uses_atomic_modeset(struct drm_device *dev)
> +{
> +     return dev->mode_config.funcs->atomic_commit ? true : false;
> +}
>  
>  #endif /* DRM_ATOMIC_H_ */