[Intel-gfx] [PATCH 1/2] drm/i915/mtl: Modify CAGF functions for MTL

[Dixit, Ashutosh]

On Mon, 19 Sep 2022 09:49:07 -0700, Andi Shyti wrote:
>
> Hi Badal,

Hi Andi,

Badal is out for a bit so I am sending out this version.

> On Mon, Sep 19, 2022 at 05:29:05PM +0530, Badal Nilawar wrote:
> > Updated the CAGF functions to get actual resolved frequency of
> > 3D and SAMedia
>
> can you please use the imperative form? "Update" and not
> "Updated".

> Besides I don't really understand what you did from the
> commit, can you please bea  bit more descriptive?

Done in series version v5. Please take a look.

> > Bspec: 66300
> >
> > Cc: Vinay Belgaumkar <vinay.belgaumkar at intel.com>
> > Cc: Ashutosh Dixit <ashutosh.dixit at intel.com>
> > Signed-off-by: Badal Nilawar <badal.nilawar at intel.com>
> > ---
> >  drivers/gpu/drm/i915/gt/intel_gt_regs.h | 8 ++++++++
> >  drivers/gpu/drm/i915/gt/intel_rps.c     | 6 +++++-
> >  2 files changed, 13 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
> > index 2275ee47da95..7819d32db956 100644
> > --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
> > +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
> > @@ -1510,6 +1510,14 @@
> >  #define VLV_RENDER_C0_COUNT			_MMIO(0x138118)
> >  #define VLV_MEDIA_C0_COUNT			_MMIO(0x13811c)
> >
> > +/*
> > + * MTL: Workpoint reg to get Core C state and act freq of 3D, SAMedia/
> > + * 3D - 0x0C60 , SAMedia - 0x380C60
> > + * Intel uncore handler redirects transactions for SAMedia to MTL_MEDIA_GSI_BASE
> > + */
>
> This comment is not understandable... we don't have limits in
> space, you can be a bit more explicit :)

Based on Matt R's comment the comment has been deleted (except for the
first line). There is an explanation at the bottom of gt/intel_gt_regs.h.

Thanks.
--
Ashutosh