linux-kernel - Re: [PATCH 4/5] drm/bridge/parade-ps8640: Extend autosuspend

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Message-ID: <CAD=FV=VvhzEgjQidvF3DVokNyiQ1hRkqGShCoNbM5ytma3gZYQ@mail.gmail.com>
Date:   Thu, 17 Nov 2022 13:14:57 -0800
From:   Doug Anderson <dianders@...omium.org>
To:     Drew Davenport <ddavenport@...omium.org>
Cc:     dri-devel@...ts.freedesktop.org,
        Andrzej Hajda <andrzej.hajda@...el.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...il.com>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Jonas Karlman <jonas@...boo.se>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Robert Foss <robert.foss@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] drm/bridge/parade-ps8640: Extend autosuspend

Hi,

On Thu, Nov 17, 2022 at 12:39 PM Drew Davenport <ddavenport@...omium.org> wrote:
>
> Same change as done for panel-samsung-atna33xc20. Extend the autosuspend
> delay to avoid oscillating between power status during boot.
>
> Signed-off-by: Drew Davenport <ddavenport@...omium.org>
> ---
>
>  drivers/gpu/drm/bridge/parade-ps8640.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

This seems fine to me. Not 100% sure what changed in the probing /
booting to make it need 2 seconds now, but this really shouldn't cause
any issues and it's nice to avoid those slow power cycles.

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