Re: [PATCH] let Xv work again with "nv" after a swsusp restore

On Sun, 24 Nov 2002, Pierre Lombard wrote:

> * Mark Vojkovich <[email protected]> [2002-11-24 01:02]:
> > On Wed, 13 Nov 2002, Pierre Lombard wrote:
> 
> > > The attached patch lets Xv work again after restoring a swsusp-frozen
> > > system.
> > > 
> > > Please Cc if necessary as I am not subscribed to Xpert mailing list.
> 
> >    I'm not sure I understand the point of this patch.  NVResetVideo
> > doesn't really do anything other than reset the brightness and
> > contrast of the video overlay.  Is this an early revision NV11 you
> > have?  A laptop maybe?
> 
> It's a laptop video card:
> 01:00.0 VGA compatible controller: nVidia Corporation NV17 [GeForce4 440
> Go] (rev a3)
> 
> It's just a port of http://cpbotha.net/dri_resume.html.
> I only have a vague idea of what's happening but it has just worked for
> me (maybe it simply workarounds some swsusp bug indeed...)

   It's more likely something strange that the combination
system/video bios is doing, and probably only a problem on
laptops by specific vendors.  The patch seems harmless though,
so I'll apply it (or a modification of it).

Thanks,  Mark.

> 
> Without this patch xv does not work after you resume from a
> swsusp'ended: the application are still able to use xv but the display
> is no longer correct (for instance, mplayer only shows a blue window
> after a swsusp restore, till I restart X).
> 
> Some problems with nv driver and swsusp were reported there too:
> http://lister.fornax.hu/pipermail/swsusp/2002-October/001003.html
> http://lister.fornax.hu/pipermail/swsusp/2002-October/001021.html
> 
>