[Gta04-owner] Letux Kernel 4.3 available

[Andreas Kemnade]

On Mon, 2 Nov 2015 22:54:45 +0100
Andreas Kemnade <andreas at kemnade.info> wrote:

> On Mon, 2 Nov 2015 18:25:11 +0100
> "H. Nikolaus Schaller" <hns at goldelico.com> wrote:
> 
> > HI Andreas,
> > 
> > Am 02.11.2015 um 17:14 schrieb Andreas Kemnade <andreas at kemnade.info>:
> > 
> > > On Mon, 2 Nov 2015 11:26:25 +0100
> > > "H. Nikolaus Schaller" <hns at goldelico.com> wrote:
> > > 
> > >> 
> > >> So this kernel has now:
> > >> * modern omapdrm graphics driver (compatible with Jessie X11)
> > > 
> > > I see often a white screen after screen is blanked.
> > 
> > Hm. I haven't experienced that yet. Is there any message
> > in dmesg? Usually there is one after waking up the panel.
> > 
> My setup is
> xset dpms 60 60 60
> matchbox-window-manager
> a vala-terminal with a script which gives some output. It basically does:
> clear
> echo something
> sleep 1
> 
> I have enabled dynamic_debug in my kernel and did a
>  echo file drivers/video/*  +p >control
> 
> to collect some information. dmesg did not show anything in that situation without that.
> Restarting Xserver does not fix that problem.
> 
> root at gta04:~# cat /sys/class/drm/card0-Unknown-2/modes 
> 480x640
> root at gta04:~# cat /sys/class/drm/card0-Unknown-2/status 
> connected
> root at gta04:~# cat /sys/class/drm/card0-Unknown-2/enabled 
> enabled
> 
> Same as in the working state.
> Now I am waiting...
> Your situation-awareness firmware recognizes that it cannot annoy me now by messing with the lcd now ;-)
> 
I have again experimented with the 4.3 kernel.
Now the problem shows up again.
This time I had a kernel with dynamic debug enabled.

dmesg output is here:
http://misc.andi.de1.cc/dmesg-no-lcd-dyndebug
Display was ok after the suspend stuff. I have seen the problem also without suspend.
Problem was definitively there at 6000.
I enabled dyndebug. First I tried tapping on the touchscreen.
Then I restarted the xserver. 

http://misc.andi.de1.cc/xlog-diff

shows the diff between Xorg.0.log and Xorg.0.log.old stripped
by the timings. I do not know whether there is any connection to that problem but...
Here are some interesting lines:

  (II) OMAP(0): Output None-1 using monitor section lcd
  (II) OMAP(0): Output None-2 has no monitor section
- (II) OMAP(0): No remaining probed modes for output None-1
- (II) OMAP(0): Printing probed modes for output None-2
- (II) OMAP(0): Modeline "480x640"x65.7   22.15  480 504 512 520  640 644 646 648 -hsync -vsync (42.6 kHz eP)
- (II) OMAP(0): Output None-1 disconnected
- (II) OMAP(0): Output None-2 connected
+ (II) OMAP(0): No remaining probed modes for output None-2
+ (II) OMAP(0): Output None-1 connected
+ (II) OMAP(0): Output None-2 disconnected
  (II) OMAP(0): Using exact sizes for initial modes
- (II) OMAP(0): Output None-2 using initial mode 480x640
+ (II) OMAP(0): Output None-1 using initial mode 480x640
  (II) OMAP(0): Using default gamma of (1.0, 1.0, 1.0) unless otherwise stated.
  (II) OMAP(0): Got KMS resources
  (**) OMAP(0): Display dimensions: (43, 57) mm

- (II) OMAP(0): Setting screen physical size to 127 x 169
+ (II) OMAP(0): Setting screen physical size to 43 x 57

None-1 and None-2 are swapped. The monitor section seems only to belong to
None-1. The diplay dimensions are equal but not the physical screen size.

I tried to reboot, but uboot failed
to re-initialize the display properly.
Powering off helped again..

Regards,
Andreas Kemnade
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