On Wed, Jun 28, 2017 at 12:16:20AM +0300, Laurent Pinchart wrote:
> diff --git a/include/drm/drm_modeset_helper_vtables.h
> b/include/drm/drm_modeset_helper_vtables.h
> index 474a1029ec79..d74a2cafc3de 100644
> --- a/include/drm/drm_modeset_helper_vtables.h
> +++ b/include/drm/drm_modeset_helper_vtables.h
> @@ -316,24 +316,6 @@ struct drm_crtc_helper_funcs {
> void (*disable)(struct drm_crtc *crtc);
>
> /**
> - * @enable:
> - *
> - * This callback should be used to enable the CRTC. With the atomic
> - * drivers it is called before all encoders connected to this CRTC are
> - * enabled through the encoder's own &drm_encoder_helper_funcs.enable
> - * hook. If that sequence is too simple drivers can just add their own
> - * hooks and call it from this CRTC callback here by looping over all
> - * encoders connected to it using for_each_encoder_on_crtc().
> - *
> - * This hook is used only by atomic helpers, for symmetry with @disable.
> - * Atomic drivers don't need to implement it if there's no need to
> - * enable anything at the CRTC level. To ensure that runtime PM handling
> - * (using either DPMS or the new "ACTIVE" property) works
> - * @enable must be the inverse of @disable for atomic drivers.
> - */
> - void (*enable)(struct drm_crtc *crtc);
> -
> - /**
> * @atomic_check:
> *
> * Drivers should check plane-update related CRTC constraints in this
> @@ -433,6 +415,26 @@ struct drm_crtc_helper_funcs {
> struct drm_crtc_state *old_crtc_state);
>
> /**
> + * @atomic_enable:
> + *
> + * This callback should be used to enable the CRTC. With the atomic
> + * drivers it is called before all encoders connected to this CRTC are
> + * enabled through the encoder's own &drm_encoder_helper_funcs.enable
> + * hook. If that sequence is too simple drivers can just add their own
> + * hooks and call it from this CRTC callback here by looping over all
> + * encoders connected to it using for_each_encoder_on_crtc().
> + *
> + * This hook is used only by atomic helpers, for symmetry with
> + * @atomic_disable. Atomic drivers don't need to implement it if there's
> + * no need to enable anything at the CRTC level. To ensure that runtime
> + * PM handling (using either DPMS or the new "ACTIVE" property) works
> + * @atomic_enable must be the inverse of @atomic_disable for atomic
> + * drivers.
A few lines explaing what @old_crtc_state is good for would be good here
(like we already have for @atomic_disable). Otherwise lgtm.
-Daniel
> + void (*atomic_enable)(struct drm_crtc *crtc,
> + struct drm_crtc_state *old_crtc_state);
> +
> + /**
> * @atomic_disable:
> *
> * This callback should be used to disable the CRTC. With the atomic
> --
> Regards,
>
> Laurent Pinchart
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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