Re: [PATCH] [AGPGART] intel_agp: fix stolen mem range on G33

[Dave Airlie <airlied@linux.ie>]

> > Subject: [PATCH] [AGPGART] intel_agp: fix stolen mem range on G33
> >
> > G33 GTT stolen memory is below graphics data
> > stolen memory and be seperate, so don't subtract
> > it in stolen mem counting.
> >
> > Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com>

Andrew I meant to upstream these for 2.6.23 but travelling is still in 
progress, so if you could send them to Linus...

Acked-by: Dave Airlie <airlied@linux.ie>


> > ---
> >  drivers/char/agp/intel-agp.c |    5 +++++
> >  1 files changed, 5 insertions(+), 0 deletions(-)
> >
> > diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
> > index 2c9ca2c..581f922 100644
> > --- a/drivers/char/agp/intel-agp.c
> > +++ b/drivers/char/agp/intel-agp.c
> > @@ -506,6 +506,11 @@ static void intel_i830_init_gtt_entries(void)
> >  			break;
> >  		}
> >  	} else {
> > +		/* G33's GTT stolen memory is separate from gfx data
> > +		 * stolen memory.
> > +		 */
> > +		if (IS_G33)
> > +			size = 0;
> >  		switch (gmch_ctrl & I830_GMCH_GMS_MASK) {
> >  		case I855_GMCH_GMS_STOLEN_1M:
> >  			gtt_entries = MB(1) - KB(size);
>
> When looking at a "fix" I need to work out whether it might be needed in
> 2.6.23.  But your description of this patch didn't describe the problem
> which it fixes in a way which allows me to decide this.
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