linux-kernel - Re: [PATCH v2 07/14] drm/bridge: ti-sn65dsi86: Get rid of the useless detect() function

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Message-ID: <c88a04f2-5968-dd3f-562d-ddf67cb983db@samsung.com>
Date:   Wed, 31 Mar 2021 11:55:34 +0200
From:   Andrzej Hajda <a.hajda@...sung.com>
To:     Douglas Anderson <dianders@...omium.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Sam Ravnborg <sam@...nborg.org>
Cc:     robdclark@...omium.org, dri-devel@...ts.freedesktop.org,
        David Airlie <airlied@...ux.ie>, linux-arm-msm@...r.kernel.org,
        Steev Klimaszewski <steev@...i.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Stanislav Lisovskiy <stanislav.lisovskiy@...el.com>,
        Robert Foss <robert.foss@...aro.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 07/14] drm/bridge: ti-sn65dsi86: Get rid of the
 useless detect() function


W dniu 30.03.2021 o 04:53, Douglas Anderson pisze:
> If we just leave the detect() function as NULL then the upper layers
> assume we're always connected. There's no reason for a stub.
>
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
Reviewed-by: Andrzej Hajda <a.hajda@...sung.com>

Regards
Andrzej
> ---
>
> (no changes since v1)
>
>   drivers/gpu/drm/bridge/ti-sn65dsi86.c | 12 ------------
>   1 file changed, 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> index 50a52af8e39f..a0a00dd1187c 100644
> --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> @@ -306,20 +306,8 @@ static struct drm_connector_helper_funcs ti_sn_bridge_connector_helper_funcs = {
>   	.mode_valid = ti_sn_bridge_connector_mode_valid,
>   };
>   
> -static enum drm_connector_status
> -ti_sn_bridge_connector_detect(struct drm_connector *connector, bool force)
> -{
> -	/**
> -	 * TODO: Currently if drm_panel is present, then always
> -	 * return the status as connected. Need to add support to detect
> -	 * device state for hot pluggable scenarios.
> -	 */
> -	return connector_status_connected;
> -}
> -
>   static const struct drm_connector_funcs ti_sn_bridge_connector_funcs = {
>   	.fill_modes = drm_helper_probe_single_connector_modes,
> -	.detect = ti_sn_bridge_connector_detect,
>   	.destroy = drm_connector_cleanup,
>   	.reset = drm_atomic_helper_connector_reset,
>   	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,