Re: [GTA02] VGA-QVGA switching - #2263 revisited

2010-02-17 Thread Ben Wilson
I'd just like to add that QVGA has not worked on GTA01 for a few years 
now (at least not in SHR)
xrandr has always reported 480x640 as the only available mode.

I think it may have been worked under om2007.
Anyone tried it under debian?

If anyone's able to have a look at getting GTA01 QVGA working in SHR 
that would be great.

Ben.

On 18/02/2010 4:47 a.m., Vladimir Koutny wrote:
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>
>>> Thus, I'd like to ask if anyone know:
>>>   - a solution that works?
>>>   - a git revision which is supposed to fix #2263?
>>>   - some background on #2263 so I can try to fix it in SHR kernel?
>>>
>>> I'm also fine with DRM kerels if they can somehow switch the 
>>> modes/orientations;
>>> I didn't find a word how that should work, though.
>>>
>> XRandR hasn't really been worked on yet for the DRM/KMS stack, so if it
>> works then it's more luck than judgement.  I'm working on stabilising
>> this kind of thing in the 2.6.32+DRM kernel right now.
>>  
> Ok, thanks for info. I'll try to have a look at the andy-tracking code
> for now (which is the most stable kernel for my needs.. 2.6.32 can't even
> suspend/resume properly) - hopefully I can find something..
>
> Vlado
>
>
>> Tom
>>
>>  
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Re: [GTA02] VGA-QVGA switching - #2263 revisited

2010-02-17 Thread Vladimir Koutny
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>> Thus, I'd like to ask if anyone know:
>>  - a solution that works?
>>  - a git revision which is supposed to fix #2263?
>>  - some background on #2263 so I can try to fix it in SHR kernel?
>>
>> I'm also fine with DRM kerels if they can somehow switch the 
>> modes/orientations;
>> I didn't find a word how that should work, though.
> 
> XRandR hasn't really been worked on yet for the DRM/KMS stack, so if it
> works then it's more luck than judgement.  I'm working on stabilising
> this kind of thing in the 2.6.32+DRM kernel right now.

Ok, thanks for info. I'll try to have a look at the andy-tracking code
for now (which is the most stable kernel for my needs.. 2.6.32 can't even
suspend/resume properly) - hopefully I can find something..

Vlado

> 
> Tom
> 

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Re: [GTA02] VGA-QVGA switching - #2263 revisited

2010-02-16 Thread Thomas White
On Tue, 16 Feb 2010 16:45:04 +0100
Vladimir Koutny  wrote:

> Thus, I'd like to ask if anyone know:
>  - a solution that works?
>  - a git revision which is supposed to fix #2263?
>  - some background on #2263 so I can try to fix it in SHR kernel?
> 
> I'm also fine with DRM kerels if they can somehow switch the 
> modes/orientations;
> I didn't find a word how that should work, though.

XRandR hasn't really been worked on yet for the DRM/KMS stack, so if it
works then it's more luck than judgement.  I'm working on stabilising
this kind of thing in the 2.6.32+DRM kernel right now.

Tom

-- 
Thomas White 

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[GTA02] VGA-QVGA switching - #2263 revisited

2010-02-16 Thread Vladimir Koutny
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Hi,

I'm trying to get VGA-QVGA switching/rotation to work - with mixed results..

Distro: recent SHR-t (using Xorg), xglamo-hack disabled during startup

Commands I intend to use (ie, VGA portrait and QVGA landscape):
  xrandr -s 240x320 -o 3
  xrandr -o 0 -s 480x640

I don't really care about specific kernel version - I just want it to run
'well' with SHR-t (this mode switching, suspend, maybe wifi; if I need to
hack some changed sysfs paths that's OK)


The best I can get is with default SHR-t kernel (which is andy-tracking);
however, in this case bug #2263 is present (after res. change the image
is shifted randomly on the screen, http://docs.openmoko.org/trac/ticket/2263)

I've tried a few more kernels:

2.6.31-no-drm:
  simple rotation corrupts the display or WSOD

2.6.32-no-drm:
  rotation in VGA works
  QVGA is mostly white
  #2263 is not present

2.6.3x-drm:
  QVGA/rotation not available (not via xrandr at least)

latest 'experimental' kernel from 
http://downloads.openmoko.org/distro/experimental
(as mentioned in #2263):
  DRM -> no QVGA


Thus, I'd like to ask if anyone know:
 - a solution that works?
 - a git revision which is supposed to fix #2263?
 - some background on #2263 so I can try to fix it in SHR kernel?

I'm also fine with DRM kerels if they can somehow switch the modes/orientations;
I didn't find a word how that should work, though.


Thanks & regards,
Vlado
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