Re: [PATCH v3 4/5] drm/msm/adreno: Move hwcg table into a6xx specific info

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On Tue, Jun 18, 2024 at 09:33:48AM GMT, Rob Clark wrote:
> On Tue, Jun 18, 2024 at 1:30 AM Dmitry Baryshkov
> <dmitry.baryshkov@xxxxxxxxxx> wrote:
> >
> > On Mon, Jun 17, 2024 at 03:51:14PM GMT, Rob Clark wrote:
> > > From: Rob Clark <robdclark@xxxxxxxxxxxx>
> > >
> > > Introduce a6xx_info where we can stash gen specific stuff without
> > > polluting the toplevel adreno_info struct.
> > >
> > > Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
> > > ---
> > >  drivers/gpu/drm/msm/adreno/a6xx_catalog.c | 65 +++++++++++++++++------
> > >  drivers/gpu/drm/msm/adreno/a6xx_gpu.c     |  6 +--
> > >  drivers/gpu/drm/msm/adreno/a6xx_gpu.h     |  9 ++++
> > >  drivers/gpu/drm/msm/adreno/adreno_gpu.h   |  6 ++-
> > >  4 files changed, 67 insertions(+), 19 deletions(-)
> > >
> >
> > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> >
> >
> > > @@ -98,7 +100,9 @@ struct adreno_info {
> > >       struct msm_gpu *(*init)(struct drm_device *dev);
> > >       const char *zapfw;
> > >       u32 inactive_period;
> > > -     const struct adreno_reglist *hwcg;
> > > +     union {
> > > +             const struct a6xx_info *a6xx;
> > > +     };
> > >       u64 address_space_size;
> > >       /**
> > >        * @speedbins: Optional table of fuse to speedbin mappings
> >
> > My preference would be towards wrapping the adreno_gpu, but that would
> > require more significant rework of the driver. Let's see if we can get
> > to that later.
> >
> 
> yeah, it was going to be more re-work, and I'm neck deep in
> gpuvm/vm_bind.. I just wanted to land this since it is a pita (and
> error prone) to rebase as more gpu's get added ;-)

Yes, I'm fine with that. My note was more like a 'later todo' item.

> 
> It isn't entirely unlike how we handle gpu gen specific options in
> mesa, where we have a somewhat bigger set of options, so I wouldn't
> say that this approach was worse than extending adreno_info.. just
> different..


-- 
With best wishes
Dmitry




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