[PATCH] Avoid 10x7 heuristic, handled by server

[Stefan Dirsch]

On Tue, Apr 26, 2016 at 11:57:27AM +0200, Mark Kettenis wrote:
> > From: Stefan Dirsch <sndirsch at suse.de>
> > Date: Tue, 26 Apr 2016 11:45:15 +0200
> > 
> > From: Frederic Crozat <fcrozat at suse.com>
> > 
> > Remove the 10x7 heuristic, since the server has equivalent code now.
> > Instead, disable "acceleration" under qemu, since taking the hypercall
> > trap is really quite expensive and you're better off doing noaccel.
> > (Fedora)
> 
> Same comment (about magic numbers) applies here.
> 
> A #define for the PCI subvendor is probably self-documenting.

Thanks. Fixed this by trying to keep it independant from the first patch,
which also uses QEMU subvendor ID. Resent a few minutes ago.

Stefan

> > ---
> >  src/alp_driver.c | 7 +++++++
> >  1 file changed, 7 insertions(+)
> > 
> > diff --git a/src/alp_driver.c b/src/alp_driver.c
> > index bd5e52f..da31321 100644
> > --- a/src/alp_driver.c
> > +++ b/src/alp_driver.c
> > @@ -774,6 +774,13 @@ AlpPreInit(ScrnInfoPtr pScrn, int flags)
> >       else
> >   	xf86SetDDCproperties(pScrn,xf86PrintEDID(
> >  		 xf86DoEDID_DDC2(XF86_SCRN_ARG(pScrn),pCir->I2CPtr1)));
> > +
> > +#ifdef XSERVER_LIBPCIACCESS
> > +     if (!pScrn->monitor->DDC &&
> > +	((pCir->PciInfo->subvendor_id & 0xffff) == 0x1af4)) {
> > +	pCir->NoAccel = TRUE;
> > +     }
> > +#endif
> >   
> >       /* Probe the possible LCD display */
> >       AlpProbeLCD(pScrn);
> > -- 
> > 2.6.2

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