Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
MIME-Version: 1.0
References: <20210908111500.1.I9f6dac462da830fa0a8ccccbe977ca918bf14e4a@changeid>
 <CAE-0n52ia_Em6GYU-ketmzi4OQxcdux3uLjMGhzVTUJbC0Yz-Q@mail.gmail.com>
 <CA+cxXh=FJtvAzb0UeMXYs3PKxcdoR7hG23BJQ5Xtj_ywjLUQ_w@mail.gmail.com>
 <CAE-0n51GPe4aWqmbm4htArS716dKhYPPV2KbKtk-d6MsUe8UpA@mail.gmail.com>
 <CAD=FV=Uzy5vagh2G4pbqpSgVVjaGoswiH=udBH5RVZ96cNu=eQ@mail.gmail.com> <CAE-0n51i32v-GM2H81mT=aKCo0cp5zD8tFu4AHwzs6Zb9kHRqw@mail.gmail.com>
In-Reply-To: <CAE-0n51i32v-GM2H81mT=aKCo0cp5zD8tFu4AHwzs6Zb9kHRqw@mail.gmail.com>
From:   Philip Chen <philipchen@chromium.org>
Date:   Mon, 13 Sep 2021 14:36:42 -0700
Message-ID: <CA+cxXh=8d=58nJUPstWvO5oEK1fw45s+d5UmKHyAErcSTB2o3A@mail.gmail.com>
Subject: Re: [PATCH 1/2] drm/bridge: parade-ps8640: Use regmap APIs
To:     Stephen Boyd <swboyd@chromium.org>
Cc:     Doug Anderson <dianders@chromium.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Andrzej Hajda <a.hajda@samsung.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        David Airlie <airlied@linux.ie>,
        Jernej Skrabec <jernej.skrabec@gmail.com>,
        Jonas Karlman <jonas@kwiboo.se>,
        Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
        Neil Armstrong <narmstrong@baylibre.com>,
        Robert Foss <robert.foss@linaro.org>,
        dri-devel <dri-devel@lists.freedesktop.org>
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

On Thu, Sep 9, 2021 at 2:27 PM Stephen Boyd <swboyd@chromium.org> wrote:
>
> Quoting Doug Anderson (2021-09-09 14:14:29)
> > On Thu, Sep 9, 2021 at 12:09 PM Stephen Boyd <swboyd@chromium.org> wrote:
> > >
> > >
> > > Oh does this have register pages? regmap has support for pages where you
> > > write some indirection register and then access the same i2c address for
> > > the next page. This looks different though and has a different i2c
> > > address for each page?
> >
> > I haven't looked in tons of detail, but I think the right solution
> > here is a separate regmap config per page.
>
> Yes. And then a different .max_register value for each config struct. A
> different .name might be useful to indicate which page it is too.

I see.
I posted v2 with the fix for this.
PTAL.