linux-kernel - Re: [PATCH 2/2] drm/bridge: anx7625: disable regulators when power off

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Message-ID: <20201113023435.GA1948@pc-user>
Date:   Fri, 13 Nov 2020 10:34:35 +0800
From:   Xin Ji <xji@...logixsemi.com>
To:     Hsin-Yi Wang <hsinyi@...omium.org>,
        Sam Ravnborg <sam@...nborg.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>
Subject: Re: [PATCH 2/2] drm/bridge: anx7625: disable regulators when power
 off

On Thu, Nov 12, 2020 at 04:37:04PM +0800, Hsin-Yi Wang wrote:
> When suspending the driver, anx7625_power_standby() will be called to
> turn off reset-gpios and enable-gpios. However, power supplies are not
> disabled. To save power, the driver can get the power supply regulators
> and turn off them in anx7625_power_standby().
> 
> Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
> ---
>  drivers/gpu/drm/bridge/analogix/anx7625.c | 25 +++++++++++++++++++++++
>  drivers/gpu/drm/bridge/analogix/anx7625.h |  1 +
>  2 files changed, 26 insertions(+)

Reviewed-by: Xin Ji <xji@...logixsemi.com>