linux-kernel - Re: [RESEND 0/5] drm/mxsfb: Fix runtime PM for unpowering lcdif block

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Message-ID: <CAEqLBRkRRutC7PXSxxx9yo7kURRH6q+vRYFzoE13QLh59gnvbA@mail.gmail.com>
Date:   Thu, 20 Sep 2018 12:39:05 -0400
From:   Sean Paul <seanpaul@...omium.org>
To:     leonard.crestez@....com
Cc:     Stefan Agner <stefan@...er.ch>,
        Gustavo Padovan <gustavo@...ovan.org>,
        Marek Vasut <marex@...x.de>, sean@...rly.run,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        linux-imx@....com, Linux Kernel <linux-kernel@...r.kernel.org>,
        Daniel Vetter <daniel.vetter@...ll.ch>, robert.chiras@....com,
        Fabio Estevam <fabio.estevam@....com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        DRI mailing list <dri-devel@...ts.freedesktop.org>,
        Shawn Guo <shawnguo@...nel.org>, anson.huang@....com,
        Dave Airlie <airlied@...ux.ie>,
        Sascha Hauer <kernel@...gutronix.de>
Subject: Re: [RESEND 0/5] drm/mxsfb: Fix runtime PM for unpowering lcdif block

On Thu, Sep 20, 2018 at 11:59 AM Leonard Crestez
<leonard.crestez@....com> wrote:
>
> On Mon, 2018-09-17 at 16:37 -0700, Stefan Agner wrote:
> > On 17.09.2018 12:16, Sean Paul wrote:
> > > On Mon, Sep 17, 2018 at 04:42:10PM +0300, Leonard Crestez wrote:
> > > > Adding lcdif nodes to a power domain currently doesn't work, it results
> > > > in black/corrupted screens or hangs. While the driver does enable
> > > > runtime pm it does not deal correctly with the block being unpowered.
> > > >
> > > > All patches in this series have review tags from a while ago and I
> > > > tested them again on top of next-20180913. No changes
> > > >
> > > > This series stalled so I reached out to Marek on IRC and he was
> > > > surprised to be listed as maintainer
> > >
> > > Hopefully not too surprised since Marek added themself to MAINTAINERS when
> > > adding the driver :-)
> >
> > There have been some confusion about the DRM development processes
> > around the mxsfb already in the past.
> >
> > > I suppose we should probably move this to drm-misc since it qualifies as a
> > > "small driver" and needs a home. Looking through git history shows the last
> > > mxsfb-specific change was back in 02/17. Everything else has been drm-wide
> > > refactors. Thoughts?
> > >
> > > Marek/Leonard: Care to sign up to be listed as a reviewers?
> >
> > drm-misc seems to make sense. I volunteer to be listed as reviewer or co-maintainer.
>
> This gets +1 from me, you were very helpful during review.
>
> Next would be for one of the drm-misc maintainers to post a change for
> the MAINTAINER file and also merge my series?
>

I've posted the MAINTAINERS patch here:
https://lists.freedesktop.org/archives/dri-devel/2018-September/190414.html

Once I get some Acks, we can merge that and one of Stefan or Marek can apply the
patchset to drm-misc.

Sean

> --
> Regards,
> Leonard