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From:   Robert Foss <robert.foss@linaro.org>
Date:   Wed, 7 Apr 2021 10:03:13 +0200
Message-ID: <CAG3jFyu6YY5pr5bdvqAbzZu0GG0z=PWP+JHL59G26cg0P=563w@mail.gmail.com>
Subject: Re: [PATCH -next] drm/bridge: lt8912b: DRM_LONTIUM_LT8912B select GPIOLIB
To:     "zhangjianhua (E)" <zhangjianhua18@huawei.com>
Cc:     Andrzej Hajda <a.hajda@samsung.com>,
        Neil Armstrong <narmstrong@baylibre.com>,
        Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
        Jonas Karlman <jonas@kwiboo.se>,
        Jernej Skrabec <jernej.skrabec@siol.net>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        dri-devel <dri-devel@lists.freedesktop.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        johnny.chenyi@huawei.com, heying24@huawei.com
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> Yes, you are right, there are many files reference
> gpiod_set_value_cansleep() and
>
> devm_gpiod_get_optional(). How about add config dependencies for all
> releated

I think this is the way to go and roughly half of the drm bridge
drivers seem to need this change.

Do you mind submitting a series of patches adding this fix for all of
the relevant bridge drivers?

>
> configs or only add config dependencies for the top level config?
>