Re: swsusp / 2.6.0-test1

["Mika Penttilä" <mika.penttila@kolumbus.fi>]

Pavel Machek wrote:

>Hi!
>
>  
>
>>>>swsusp is working fine, but mplayer
>>>>in sdl and xv output mode displays a blank
>>>>screen after a resume. 
>>>>  
>>>>        
>>>>
>>>You probably need to write suspend/resume support for your card.
>>>
>>>      
>>>
>>Just wondering what kind of support for suspend/resume is "enough", say 
>>for video cards? Surely not the pci configuration space, you need to 
>>restore video mode, color maps, gfx engine state etc etc...what about 
>>frame buffer contents on card? Probably yes. Sounds like a lot of code, 
>>and different thing for every possible video card. Is there some general 
>>guidance here? Is drivers/video soon bloating with tons of 
>>suspend/resume code? I hope I am wrong :)
>>    
>>
>
>I'm not sure if you are wrong. If you switch  to non-graphics console,
>that may save some code, but...
>
>  
>
ah ok, so at this stage swsuspending a X desktop doesn't work in general 
case, of course depending on video hardware? If X had some notion of 
suspend/resume things would be easier, than insisting every single 
driver save and restore all. After all the pci config space should be 
enough for kernel drivers?



>BTW vger.redhat.com, what is that?
>								Pavel
>

Don't know, just did reply all and seems to work :)

--Mika