Re: [PATCH 1/8] drm/i915: Introduce a PV INFO page structure for Intel GVT-g.

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> From: Intel-gfx [mailto:intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of
> Daniel Vetter
> 
> > diff --git a/drivers/gpu/drm/i915/i915_reg.h
> b/drivers/gpu/drm/i915/i915_reg.h
> > index b65bdfc..a70f12e 100644
> > --- a/drivers/gpu/drm/i915/i915_reg.h
> > +++ b/drivers/gpu/drm/i915/i915_reg.h
> > @@ -6661,4 +6661,17 @@ enum punit_power_well {
> >  #define _PALETTE_A (dev_priv->info.display_mmio_offset + 0xa000)
> >  #define _PALETTE_B (dev_priv->info.display_mmio_offset + 0xa800)
> >
> > +/* The MMIO offset of the shared info between i915 and vgt driver */
> > +#define VGT_PVINFO_PAGE	0x78000
> > +#define VGT_PVINFO_SIZE	0x1000
> > +
> > +#define VGT_MAGIC         0x4776544776544776	/* 'vGTvGTvG' */
> > +#define VGT_VERSION_MAJOR 1
> > +#define VGT_VERSION_MINOR 0
> > +#define INTEL_VGT_IF_VERSION  ((VGT_VERSION_MAJOR << 16) |
> VGT_VERSION_MINOR)
> > +
> > +#define vgt_info_off(x) \
> > +	(VGT_PVINFO_PAGE + (long)&((struct vgt_if *) NULL)->x)
> 
> I think a new header file i915_vgt.h for these definitions would be good.
> i915_reg.h is giant already ...
> -Daniel
> 

sure we can follow this suggestion. Actually our original implementation has
the definition separately defined. Just because we saw current i915 has a
single register definition header, so thought we should adapt to that. :-)

Thanks
Kevin
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