linux-kernel - Re: [PATCH v6 2/3] drm/bridge: ti-sn65dsi86: Use regmap_bulk

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Message-ID: <CAD=FV=UY7=gr4xFOR40fWA42B2T0jFS+=bOmwSb2_=ebTN7gXw@mail.gmail.com>
Date:   Thu, 30 Sep 2021 08:40:00 -0700
From:   Doug Anderson <dianders@...gle.com>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Robert Foss <robert.foss@...aro.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, Lee Jones <lee.jones@...aro.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-pwm <linux-pwm@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH v6 2/3] drm/bridge: ti-sn65dsi86: Use regmap_bulk_write API

Hi,

On Wed, Sep 29, 2021 at 8:06 PM Bjorn Andersson
<bjorn.andersson@...aro.org> wrote:
>
> The multi-register u16 write operation can use regmap_bulk_write()
> instead of two separate regmap_write() calls.
>
> It's uncertain if this has any effect on the actual updates of the
> underlying registers, but this at least gives the hardware the
> opportunity and saves us one transation on the bus.

s/transation/transaction/


> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> ---
>
> Changes since v5:
> - Extracted this hunk from patch 3.
>
>  drivers/gpu/drm/bridge/ti-sn65dsi86.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)

Looks keen. I'll plan to apply this after giving it a few days on the
list to make sure nobody is upset, though I'm not sure why they would
be. ;-)

Reviewed-by: Douglas Anderson <dianders@...omium.org>