[Intel-gfx] [PATCH 13/17] drm/bridge: Use recommened kerneldoc for struct member refs

[Archit Taneja]

On 12/30/2016 2:18 AM, Daniel Vetter wrote:
> I just learned that &struct_name.member_name works and looks pretty
> even. It doesn't (yet) link to the member directly though, which would
> be really good for big structures or vfunc tables (where the
> per-member kerneldoc tends to be long).
>
> Also some minor drive-by polish where it makes sense, I read a lot
> of docs ...
>
> Cc: Archit Taneja <architt at codeaurora.org>
> Cc: Jani Nikula <jani.nikula at linux.intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> ---
>  drivers/gpu/drm/drm_bridge.c | 27 +++++++++++--------------
>  include/drm/drm_bridge.h     | 48 +++++++++++++++++++++++++-------------------
>  2 files changed, 39 insertions(+), 36 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
> index ae5e57ad718c..86a7637ba344 100644
> --- a/drivers/gpu/drm/drm_bridge.c
> +++ b/drivers/gpu/drm/drm_bridge.c
> @@ -55,7 +55,7 @@
>   * just provide additional hooks to get the desired output at the end of the
>   * encoder chain.
>   *
> - * Bridges can also be chained up using the next pointer in &struct drm_bridge.
> + * Bridges can also be chained up using the &drm_bridge.next pointer.
>   *
>   * Both legacy CRTC helpers and the new atomic modeset helpers support bridges.
>   */
> @@ -179,7 +179,7 @@ void drm_bridge_detach(struct drm_bridge *bridge)
>   * @mode: desired mode to be set for the bridge
>   * @adjusted_mode: updated mode that works for this bridge
>   *
> - * Calls ->mode_fixup() &drm_bridge_funcs op for all the bridges in the
> + * Calls &drm_bridge_funcs.mode_fixup for all the bridges in the
>   * encoder chain, starting from the first bridge to the last.
>   *
>   * Note: the bridge passed should be the one closest to the encoder
> @@ -206,11 +206,10 @@ bool drm_bridge_mode_fixup(struct drm_bridge *bridge,
>  EXPORT_SYMBOL(drm_bridge_mode_fixup);
>
>  /**
> - * drm_bridge_disable - calls ->disable() &drm_bridge_funcs op for all
> - *			bridges in the encoder chain.
> + * drm_bridge_disable - disables all bridges in the encoder chain
>   * @bridge: bridge control structure
>   *
> - * Calls ->disable() &drm_bridge_funcs op for all the bridges in the encoder
> + * Calls &drm_bridge_funcs.disable op for all the bridges in the encoder
>   * chain, starting from the last bridge to the first. These are called before
>   * calling the encoder's prepare op.
>   *
> @@ -229,11 +228,10 @@ void drm_bridge_disable(struct drm_bridge *bridge)
>  EXPORT_SYMBOL(drm_bridge_disable);
>
>  /**
> - * drm_bridge_post_disable - calls ->post_disable() &drm_bridge_funcs op for
> - *			     all bridges in the encoder chain.
> + * drm_bridge_post_disable - cleans up after disabling all bridges in the encoder chain
>   * @bridge: bridge control structure
>   *
> - * Calls ->post_disable() &drm_bridge_funcs op for all the bridges in the
> + * Calls &drm_bridge_funcs.post_disable op for all the bridges in the
>   * encoder chain, starting from the first bridge to the last. These are called
>   * after completing the encoder's prepare op.
>   *
> @@ -258,7 +256,7 @@ EXPORT_SYMBOL(drm_bridge_post_disable);
>   * @mode: desired mode to be set for the bridge
>   * @adjusted_mode: updated mode that works for this bridge
>   *
> - * Calls ->mode_set() &drm_bridge_funcs op for all the bridges in the
> + * Calls &drm_bridge_funcs.mode_set op for all the bridges in the
>   * encoder chain, starting from the first bridge to the last.
>   *
>   * Note: the bridge passed should be the one closest to the encoder
> @@ -278,11 +276,11 @@ void drm_bridge_mode_set(struct drm_bridge *bridge,
>  EXPORT_SYMBOL(drm_bridge_mode_set);
>
>  /**
> - * drm_bridge_pre_enable - calls ->pre_enable() &drm_bridge_funcs op for all
> - *			   bridges in the encoder chain.
> + * drm_bridge_pre_enable - prepares for enabling all
> + *			   bridges in the encoder chain
>   * @bridge: bridge control structure
>   *
> - * Calls ->pre_enable() &drm_bridge_funcs op for all the bridges in the encoder
> + * Calls &drm_bridge_funcs.pre_enable op for all the bridges in the encoder
>   * chain, starting from the last bridge to the first. These are called
>   * before calling the encoder's commit op.
>   *
> @@ -301,11 +299,10 @@ void drm_bridge_pre_enable(struct drm_bridge *bridge)
>  EXPORT_SYMBOL(drm_bridge_pre_enable);
>
>  /**
> - * drm_bridge_enable - calls ->enable() &drm_bridge_funcs op for all bridges
> - *		       in the encoder chain.
> + * drm_bridge_enable - enables all bridges in the encoder chain
>   * @bridge: bridge control structure
>   *
> - * Calls ->enable() &drm_bridge_funcs op for all the bridges in the encoder
> + * Calls &drm_bridge_funcs.enable op for all the bridges in the encoder
>   * chain, starting from the first bridge to the last. These are called
>   * after completing the encoder's commit op.
>   *
> diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
> index d3ca16f4da8f..1595a57dfbf2 100644
> --- a/include/drm/drm_bridge.h
> +++ b/include/drm/drm_bridge.h
> @@ -87,18 +87,19 @@ struct drm_bridge_funcs {
>  	 * True if an acceptable configuration is possible, false if the modeset
>  	 * operation should be rejected.
>  	 */
> -	bool (*mode_fixup)(struct drm_bridge *bridge,
> -			   const struct drm_display_mode *mode,
> -			   struct drm_display_mode *adjusted_mode);
> +	bool (*mode_fixup)(struct drm_bridge *bridge, const struct
> +			   drm_display_mode *mode, struct drm_display_mode
> +			   *adjusted_mode);

The change above doesn't seem to help with anything. Otherwise:

Reviewed-by: Archit Taneja <architt at codeaurora.org>

>  	/**
>  	 * @disable:
>  	 *
>  	 * This callback should disable the bridge. It is called right before
>  	 * the preceding element in the display pipe is disabled. If the
>  	 * preceding element is a bridge this means it's called before that
> -	 * bridge's ->disable() function. If the preceding element is a
> -	 * &drm_encoder it's called right before the encoder's ->disable(),
> -	 * ->prepare() or ->dpms() hook from &struct drm_encoder_helper_funcs.
> +	 * bridge's @disable vfunc. If the preceding element is a &drm_encoder
> +	 * it's called right before the &drm_encoder_helper_funcs.disable,
> +	 * &drm_encoder_helper_funcs.prepare or &drm_encoder_helper_funcs.dpms
> +	 * hook.
>  	 *
>  	 * The bridge can assume that the display pipe (i.e. clocks and timing
>  	 * signals) feeding it is still running when this callback is called.
> @@ -110,12 +111,13 @@ struct drm_bridge_funcs {
>  	/**
>  	 * @post_disable:
>  	 *
> -	 * This callback should disable the bridge. It is called right after
> -	 * the preceding element in the display pipe is disabled. If the
> -	 * preceding element is a bridge this means it's called after that
> -	 * bridge's ->post_disable() function. If the preceding element is a
> -	 * &drm_encoder it's called right after the encoder's ->disable(),
> -	 * ->prepare() or ->dpms() hook from &struct drm_encoder_helper_funcs.
> +	 * This callback should disable the bridge. It is called right after the
> +	 * preceding element in the display pipe is disabled. If the preceding
> +	 * element is a bridge this means it's called after that bridge's
> +	 * @post_disable function. If the preceding element is a &drm_encoder
> +	 * it's called right after the encoder's
> +	 * &drm_encoder_helper_funcs.disable, &drm_encoder_helper_funcs.prepare
> +	 * or &drm_encoder_helper_funcs.dpms hook.
>  	 *
>  	 * The bridge must assume that the display pipe (i.e. clocks and timing
>  	 * singals) feeding it is no longer running when this callback is
> @@ -129,9 +131,11 @@ struct drm_bridge_funcs {
>  	 * @mode_set:
>  	 *
>  	 * This callback should set the given mode on the bridge. It is called
> -	 * after the ->mode_set() callback for the preceding element in the
> -	 * display pipeline has been called already. The display pipe (i.e.
> -	 * clocks and timing signals) is off when this function is called.
> +	 * after the @mode_set callback for the preceding element in the display
> +	 * pipeline has been called already. If the bridge is the first element
> +	 * then this would be &drm_encoder_helper_funcs.mode_set. The display
> +	 * pipe (i.e.  clocks and timing signals) is off when this function is
> +	 * called.
>  	 */
>  	void (*mode_set)(struct drm_bridge *bridge,
>  			 struct drm_display_mode *mode,
> @@ -142,9 +146,10 @@ struct drm_bridge_funcs {
>  	 * This callback should enable the bridge. It is called right before
>  	 * the preceding element in the display pipe is enabled. If the
>  	 * preceding element is a bridge this means it's called before that
> -	 * bridge's ->pre_enable() function. If the preceding element is a
> -	 * &drm_encoder it's called right before the encoder's ->enable(),
> -	 * ->commit() or ->dpms() hook from &struct drm_encoder_helper_funcs.
> +	 * bridge's @pre_enable function. If the preceding element is a
> +	 * &drm_encoder it's called right before the encoder's
> +	 * &drm_encoder_helper_funcs.enable, &drm_encoder_helper_funcs.commit or
> +	 * &drm_encoder_helper_funcs.dpms hook.
>  	 *
>  	 * The display pipe (i.e. clocks and timing signals) feeding this bridge
>  	 * will not yet be running when this callback is called. The bridge must
> @@ -161,9 +166,10 @@ struct drm_bridge_funcs {
>  	 * This callback should enable the bridge. It is called right after
>  	 * the preceding element in the display pipe is enabled. If the
>  	 * preceding element is a bridge this means it's called after that
> -	 * bridge's ->enable() function. If the preceding element is a
> -	 * &drm_encoder it's called right after the encoder's ->enable(),
> -	 * ->commit() or ->dpms() hook from &struct drm_encoder_helper_funcs.
> +	 * bridge's @enable function. If the preceding element is a
> +	 * &drm_encoder it's called right after the encoder's
> +	 * &drm_encoder_helper_funcs.enable, &drm_encoder_helper_funcs.commit or
> +	 * &drm_encoder_helper_funcs.dpms hook.
>  	 *
>  	 * The bridge can assume that the display pipe (i.e. clocks and timing
>  	 * signals) feeding it is running when this callback is called. This
>

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