linux-kernel - Re: v4.17-rc1: regressions on N900, N950

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Message-ID: <20180521213952.GA11596@amd>
Date:   Mon, 21 May 2018 23:39:53 +0200
From:   Pavel Machek <pavel@....cz>
To:     Aaro Koskinen <aaro.koskinen@....fi>
Cc:     pali.rohar@...il.com, sre@...nel.org,
        kernel list <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-omap@...r.kernel.org, tony@...mide.com, khilman@...nel.org,
        ivo.g.dimitrov.75@...il.com, patrikbachan@...il.com,
        serge@...lyn.com, abcloriens@...il.com, clayton@...ftyguy.net,
        martijn@...xit.nl, sakari.ailus@...ux.intel.com,
        Filip Matijević <filip.matijevic.pz@...il.com>,
        Thorsten Leemhuis <regressions@...mhuis.info>
Subject: Re: v4.17-rc1: regressions on N900, N950

HI!

> On Sun, Apr 22, 2018 at 09:42:13AM +0200, Pavel Machek wrote:
> > v4.17-rc1 broke display for me on Nokia N900. (I don't know if system
> > boots, but I can see on red flash LED that at least that driver
> > succeeded. So it should not be early boot crash).
> > 
> > v4.17-rc1 also broke boot on N950.
> > 
> > Any ideas? Does it work for you?
> 
> Below config works for me on N900 and N950. (On N950, I need to disable to
> display DTS entry as discussed in other threads.)

Thanks... On N900 it works for me in v4.16, but display stays blank in
v4.17-rc1...

And I'm starting to suspect I have somehow special N900, or maybe
special gcc version... Whether display on N900 works or not seems to
depend on completely unrelated config options :-(. Maybe it is timing
during boot or something.

Best regards,

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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