[Gta04-owner] [ANN]: Kernel progress

[Dr. H. Nikolaus Schaller]

Hi Rico,

Am 22.10.2013 um 11:03 schrieb Rico Rommel:

> Am Mittwoch, 16. Oktober 2013, 08:38:22 schrieb Dr. H. Nikolaus Schaller:
> 
>>> - when diplay is powered on, it sometimes turns white and dmesg gives an
>>> error:
>>> 
>>> [ 1662.260650] omapdss APPLY error: cannot set timings for lcd: manager
>>> needs to be disabled
>>> [ 1662.260681] omapdss APPLY error: cannot apply lcd config for lcd:
>>> manager needs to be disabled
>> 
>> I have not seen this in my tests, so we will have to wait for other reports.
>> Which OS are you using and is it related to some user space activity?
> 
> I'm using Debian sid with fso, which toggles display on activity.

Ok, that should not really be the problem.

Could you try the latest wheezy rootfs image to rule out that there is some
hardware problem?

> Now, additional to the errors above, dmesg is spammed with 
> 
> panel-tpo-td028ttec1 panel-tpo-td028ttec1.0: Failed to write to reg: 0
> panel-tpo-td028ttec1 panel-tpo-td028ttec1.0: Failed to write to reg: 0
> panel-tpo-td028ttec1 panel-tpo-td028ttec1.0: Failed to write to reg: 0
> panel-tpo-td028ttec1 panel-tpo-td028ttec1.0: Failed to write to reg: b0
> panel-tpo-td028ttec1 panel-tpo-td028ttec1.0: Failed to write to reg: bc
> panel-tpo-td028ttec1 panel-tpo-td028ttec1.0: Failed to write to reg: 3b
> panel-tpo-td028ttec1 panel-tpo-td028ttec1.0: Failed to write to reg: b0
> panel-tpo-td028ttec1 panel-tpo-td028ttec1.0: Failed to write to reg: b8
> panel-tpo-td028ttec1 panel-tpo-td028ttec1.0: Failed to write to reg: 11
> panel-tpo-td028ttec1 panel-tpo-td028ttec1.0: Failed to write to reg: ba
> panel-tpo-td028ttec1 panel-tpo-td028ttec1.0: Failed to write to reg: bb
> 
> and screen display stays off.

Ok, it is necessary to be able to write to the display to turn it on...

Did you compile the kernel yourself or did you use a binary from our
gta04 images?

BR,
Nikolaus