On Wed, 19 May 2010 10:30:44 -0700 Greg KH <greg@xxxxxxxxx> wrote: > Also, in the next section, 4.1.5 entitled "Add-in Card Driver > Requirements", the last paragraph states: > Third, one alternative for the treatment of PCI options ROMs is > for the operating-system vendor to require that the add-in card > driver replace any necessary functionality of option ROMs after > a hot-insertion event (see Section 4.1.4). > > So it looks like we are safe to try to do this now. If things "break", > without a BIOS option rom running, well, odds are suspend/resume didn't > work either on this platform, so there are bigger issues here. > > > >Yes, they might not, but then again, they might, it all depends on the > > >video card itself. Which was why the spec said that VGA-like devices > > >could not be hotplugged, and hence, we try to check that in the kernel > > >code. > > I don't see any reference to this rule in the most recent version of > > the spec. If it is indeed not present anymore, can we remove this > > check? > > Let's try it and see what happens :) Yeah we should theoretically be able to handle this. The graphics drivers will need a bit of work to handle it (run POST-like operations at insert time) but it should be possible. So Praveen, if you want to send a patch to remove the check for display devices, I'll apply it and we can try things out. Thanks, -- Jesse Barnes, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
