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From:   Linus Walleij <linus.walleij@linaro.org>
Date:   Wed, 5 May 2021 14:51:14 +0200
Message-ID: <CACRpkdbOpJtoaX7Jayr1-QRvZOjKbt-D0XVy+Xvxga9RULoh1w@mail.gmail.com>
Subject: Re: [PATCH v5 01/20] drm/panel: panel-simple: Add missing
 pm_runtime_disable() calls
To:     Doug Anderson <dianders@chromium.org>
Cc:     Andrzej Hajda <a.hajda@samsung.com>,
        Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Neil Armstrong <narmstrong@baylibre.com>,
        Jonas Karlman <jonas@kwiboo.se>,
        Jernej Skrabec <jernej.skrabec@siol.net>,
        Sam Ravnborg <sam@ravnborg.org>, Wolfram Sang <wsa@kernel.org>,
        MSM <linux-arm-msm@vger.kernel.org>,
        Rob Clark <robdclark@chromium.org>,
        Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>,
        Stephen Boyd <swboyd@chromium.org>,
        Steev Klimaszewski <steev@kali.org>,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        linux-i2c <linux-i2c@vger.kernel.org>,
        "open list:DRM PANEL DRIVERS" <dri-devel@lists.freedesktop.org>,
        Daniel Vetter <daniel@ffwll.ch>,
        David Airlie <airlied@linux.ie>,
        Thierry Reding <thierry.reding@gmail.com>,
        linux-kernel <linux-kernel@vger.kernel.org>
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On Mon, May 3, 2021 at 10:41 PM Doug Anderson <dianders@chromium.org> wrote:

> > At your convenience and when you think there is too little
> > stuff in your sn65dsi86 TODO, check out
> > pinctrl-bcm63xx.c for an example of select GPIO_REGMAP
> > made very simple (this works fine as long as they are bit
> > offsets starting from 0).
>
> I seem to recall you mentioning something like this. When I looked at
> it in the past I wasn't convinced it would be easy. See my response
> [2]. The rough summary is that I didn't think the helpers were happy
> with the pm_runtime() model that I'm using. Did I get that wrong?

Yeah good point. It does seem a bit too complex for that.
Sorry for not remembering.

Yours,
Linus Walleij