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From: Pavel Machek <pavel@ucw.cz>
To: Tony Lindgren <tony@atomide.com>
Cc: "Aaro Koskinen" <aaro.koskinen@iki.fi>,
	"Pali Rohár" <pali.rohar@gmail.com>,
	sre@kernel.org, "kernel list" <linux-kernel@vger.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
	linux-omap@vger.kernel.org, khilman@kernel.org,
	ivo.g.dimitrov.75@gmail.com, patrikbachan@gmail.com,
	serge@hallyn.com, abcloriens@gmail.com, clayton@craftyguy.net,
	martijn@brixit.nl, sakari.ailus@linux.intel.com,
	"Filip Matijević" <filip.matijevic.pz@gmail.com>,
	"Thorsten Leemhuis" <regressions@leemhuis.info>
Subject: Re: v4.17-rc1: regressions on N900, N950
Date: Thu, 24 May 2018 11:47:05 +0200	[thread overview]
Message-ID: <20180524094705.GA16705@amd> (raw)
In-Reply-To: <20180523220456.GY98604@atomide.com>

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Hi!

> > > So... I did some experiments on v4.16.
> > > 
> > > Swapping tsc2005@0 and lcd: acx565akm@2 entries in the dts does break
> > > stuff.
> > > 
> > > I thought it might be due to vio regulator, but it does not appear
> > > so... screen still works with tsc2005 driver disabled in .config. (so
> > > there's noone to enable vio regulator).
> > 
> > Deleting tsc2005@0 entry also breaks screen.
> > 
> > Replacing tsc2005@0 entry with 
> > 
> >         foobar@0 {
> > 	               compatible = "not really with anything";
> >  		       spi-max-frequency = <6000000>;
> >  		       reg = <0>;
> >  };
> > 
> > still results in working touchscreen, removing any of the three fields
> > breaks it again.
> 
> I bisected one regression down, see "omapdrm regression in v4.17-rc series"
> not sure if it covers all the issues being discussed here though.

Reverting 24aac6011f70 fixes screen on n900 in v4.17-rc for me. (But
strange dependency on tsc2005@0 is still there).

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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  parent reply	other threads:[~2018-05-24  9:47 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-22  7:42 Pavel Machek
2018-04-23 20:29 ` Aaro Koskinen
2018-05-21 21:39   ` Pavel Machek
2018-05-22  8:02     ` Pali Rohár
2018-05-22 19:41       ` Aaro Koskinen
2018-05-22 20:58         ` Pavel Machek
2018-05-22 21:56           ` Aaro Koskinen
2018-05-23 14:06             ` Pavel Machek
2018-05-23 20:12               ` Pavel Machek
2018-05-23 22:04                 ` Tony Lindgren
2018-05-24  9:23                   ` Pavel Machek
2018-05-24  9:47                   ` Pavel Machek [this message]
2018-05-29 20:45                     ` Pavel Machek
2018-05-29 21:09                       ` Sebastian Reichel
2018-05-29 22:34                         ` Pavel Machek
2018-05-23 22:02             ` Aaro Koskinen
2018-05-24  6:25               ` Tomi Valkeinen

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