[Intel-gfx] [PATCH 1/2] drm/i915: Split uncore init into vfunc setup and mmio setup

[Joonas Lahtinen]

On Sat, 2017-10-07 at 16:28 +0100, Chris Wilson wrote:
> Quoting Michal Wajdeczko (2017-10-07 12:14:30)
> > On Sat, 07 Oct 2017 10:56:58 +0200, Chris Wilson  
> > > +void intel_uncore_init_mmio(struct drm_i915_private *dev_priv)
> > > +{
> > > +     i915_check_vgpu(dev_priv);
> > > +
> > > +     intel_uncore_edram_detect(dev_priv);
> > > +     intel_uncore_fw_domains_init(dev_priv);
> > 
> > Do you plan to split fw_domains_init into early/mmio parts?
> > Without such split use of intel_uncore_forcewake_for_reg
> >  from uc_init_early will still be not possible.
> 
> Ah, I was mistaken in thinking the vfunc tables were enough. We still
> have some mmio access in fw_domains_init that we need to split into
> _early and _mmio parts. On the whole, what do we think, is the motion
> still justified? I think it still is -- we have a lot of static
> information here that is useful during early setup.

Not sure if I fully understood the quesiton but the init code split
makes it more coherent across driver.

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation