linux-kernel - Re: [PATCH v2 04/33] drm/connector: Rename subconnector state variable

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Message-ID: <5792db62-f23a-851d-0225-b9d6f3709bee@suse.de>
Date:   Fri, 23 Sep 2022 10:14:32 +0200
From:   Thomas Zimmermann <tzimmermann@...e.de>
To:     Maxime Ripard <maxime@...no.tech>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Ben Skeggs <bskeggs@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        Maxime Ripard <mripard@...nel.org>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Emma Anholt <emma@...olt.net>,
        Karol Herbst <kherbst@...hat.com>,
        Samuel Holland <samuel@...lland.org>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Daniel Vetter <daniel@...ll.ch>, Lyude Paul <lyude@...hat.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        Chen-Yu Tsai <wens@...e.org>
Cc:     Dom Cobley <dom@...pberrypi.com>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        nouveau@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-sunxi@...ts.linux.dev, Hans de Goede <hdegoede@...hat.com>,
        Noralf Trønnes <noralf@...nnes.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Mateusz Kwiatkowski <kfyatek+publicgit@...il.com>,
        Phil Elwell <phil@...pberrypi.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 04/33] drm/connector: Rename subconnector state
 variable

Hi

Am 22.09.22 um 16:25 schrieb Maxime Ripard:
> There is two TV subconnector related properties registered by
> drm_mode_create_tv_properties(): subconnector and select subconnector.
> 
> While the select subconnector property is stored in the kernel by the
> drm_tv_connector_state structure, the subconnector property isn't stored
> anywhere.
> 
> Worse, the select subconnector property is stored in a field called
> subconnector, creating some ambiguity about which property content we're
> accessing.
> 
> Let's rename that field to one called select_subconnector to make it move
> obvious what it's about.

Is this the place where that extra chuck in patch 3 belong to?

> 
> Reviewed-by: Noralf Trønnes <noralf@...nnes.org>
> Signed-off-by: Maxime Ripard <maxime@...no.tech>

Acked-by: Thomas Zimmermann <tzimmermann@...e.de>

> 
> diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
> index 79730fa1dd8e..c74c78a28171 100644
> --- a/drivers/gpu/drm/drm_atomic_uapi.c
> +++ b/drivers/gpu/drm/drm_atomic_uapi.c
> @@ -687,7 +687,7 @@ static int drm_atomic_connector_set_property(struct drm_connector *connector,
>   		 */
>   		return -EINVAL;
>   	} else if (property == config->tv_select_subconnector_property) {
> -		state->tv.subconnector = val;
> +		state->tv.select_subconnector = val;
>   	} else if (property == config->tv_left_margin_property) {
>   		state->tv.margins.left = val;
>   	} else if (property == config->tv_right_margin_property) {
> @@ -795,7 +795,7 @@ drm_atomic_connector_get_property(struct drm_connector *connector,
>   		else
>   			*val = connector->dpms;
>   	} else if (property == config->tv_select_subconnector_property) {
> -		*val = state->tv.subconnector;
> +		*val = state->tv.select_subconnector;
>   	} else if (property == config->tv_left_margin_property) {
>   		*val = state->tv.margins.left;
>   	} else if (property == config->tv_right_margin_property) {
> diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
> index 23112f0c11cf..60b5662dec7c 100644
> --- a/include/drm/drm_connector.h
> +++ b/include/drm/drm_connector.h
> @@ -703,7 +703,7 @@ struct drm_connector_tv_margins {
>    * @hue: hue in percent
>    */
>   struct drm_tv_connector_state {
> -	enum drm_mode_subconnector subconnector;
> +	enum drm_mode_subconnector select_subconnector;
>   	struct drm_connector_tv_margins margins;
>   	unsigned int mode;
>   	unsigned int brightness;
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev

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