[PATCH v4 07/11] drm/bridge: Clarify the atomic enable/disable hooks semantics

Laurent Pinchart laurent.pinchart at ideasonboard.com
Tue Dec 3 18:02:23 UTC 2019


Hi Boris,

Thanks for the patch.

On Tue, Dec 03, 2019 at 03:15:11PM +0100, Boris Brezillon wrote:
> The [pre_]enable/[post_]disable hooks are passed the old atomic state.
> Update the doc and rename the arguments to make it clear.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon at collabora.com>
> Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> Reviewed-by: Neil Armstrong <narmstrong at baylibre.com>
> ---
> Changes in v4:
> * Drop the doc update (Laurent)

I was referring to the doc updates in drm_bridge.h only. Is there a
reason you dropped the changes from drm_bridge.c ? I think those were
good.

> * Add Rbs
> 
> Changes in v3:
> * New patch
> ---
>  include/drm/drm_bridge.h | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
> index bfb0385163f1..d7d714023050 100644
> --- a/include/drm/drm_bridge.h
> +++ b/include/drm/drm_bridge.h
> @@ -263,7 +263,7 @@ struct drm_bridge_funcs {
>  	 * The @atomic_pre_enable callback is optional.
>  	 */
>  	void (*atomic_pre_enable)(struct drm_bridge *bridge,
> -				  struct drm_atomic_state *state);
> +				  struct drm_atomic_state *old_state);
>  
>  	/**
>  	 * @atomic_enable:
> @@ -288,7 +288,7 @@ struct drm_bridge_funcs {
>  	 * The @atomic_enable callback is optional.
>  	 */
>  	void (*atomic_enable)(struct drm_bridge *bridge,
> -			      struct drm_atomic_state *state);
> +			      struct drm_atomic_state *old_state);
>  	/**
>  	 * @atomic_disable:
>  	 *
> @@ -311,7 +311,7 @@ struct drm_bridge_funcs {
>  	 * The @atomic_disable callback is optional.
>  	 */
>  	void (*atomic_disable)(struct drm_bridge *bridge,
> -			       struct drm_atomic_state *state);
> +			       struct drm_atomic_state *old_state);
>  
>  	/**
>  	 * @atomic_post_disable:
> @@ -337,7 +337,7 @@ struct drm_bridge_funcs {
>  	 * The @atomic_post_disable callback is optional.
>  	 */
>  	void (*atomic_post_disable)(struct drm_bridge *bridge,
> -				    struct drm_atomic_state *state);
> +				    struct drm_atomic_state *old_state);
>  };
>  
>  /**

-- 
Regards,

Laurent Pinchart


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