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

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Date:   Tue, 29 Nov 2022 14:28:53 -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 1:14 PM Doug Anderson <dianders@...omium.org> wrote:
>
> 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>

Pushed to drm-misc-next:

b1d2751c2f23 drm/bridge/parade-ps8640: Extend autosuspend