Messages in this thread | | | Date | Tue, 22 Jul 2003 00:45:41 +0300 | From | Mika Penttilä <> | Subject | Re: swsusp / 2.6.0-test1 |
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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
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