[Intel-gfx] [PATCH] x86/gpu: add TGL stolen memory support

Thomas Gleixner tglx at linutronix.de
Wed Jul 17 06:48:34 UTC 2019


On Tue, 16 Jul 2019, Lucas De Marchi wrote:
> On Wed, Jul 17, 2019 at 12:46:42AM +0200, Thomas Gleixner wrote:
> > On Fri, 12 Jul 2019, Lucas De Marchi wrote:
> > 
> > > From: Michel Thierry <michel.thierry at intel.com>
> > > 
> > > Reuse Gen11 stolen memory changes since Tiger Lake uses the same BSM
> > > register (and format).
> > > 
> > > Cc: Thomas Gleixner <tglx at linutronix.de>
> > > Cc: Ingo Molnar <mingo at redhat.com>
> > > Cc: Borislav Petkov <bp at alien8.de>
> > > Cc: "H. Peter Anvin" <hpa at zytor.com>
> > > Cc: x86 at kernel.org
> > > Signed-off-by: Michel Thierry <michel.thierry at intel.com>
> > > Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
> > > Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> > > ---
> > >  arch/x86/kernel/early-quirks.c | 1 +
> > >  1 file changed, 1 insertion(+)
> > > 
> > > diff --git a/arch/x86/kernel/early-quirks.c
> > > b/arch/x86/kernel/early-quirks.c
> > > index 6c4f01540833..6f6b1d04dadf 100644
> > > --- a/arch/x86/kernel/early-quirks.c
> > > +++ b/arch/x86/kernel/early-quirks.c
> > > @@ -549,6 +549,7 @@ static const struct pci_device_id intel_early_ids[]
> > > __initconst = {
> > >  	INTEL_CNL_IDS(&gen9_early_ops),
> > >  	INTEL_ICL_11_IDS(&gen11_early_ops),
> > >  	INTEL_EHL_IDS(&gen11_early_ops),
> > > +	INTEL_TGL_12_IDS(&gen11_early_ops),
> > 
> > How exactly is this supposed to build?
> > 
> 
> The define for this new platform is on drm-intel repository. For
> previous platforms we waited for an ack and merged through our tree.
> Is that ok?

That's fine, but in future please mention that instead of sending a patch
stand alone which looks like it can be applied without prerequisites.

That said, take it through DRM with:

   Acked-by: Thomas Gleixner <tglx at linutronix.de>

Thanks,

	tglx


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