[Intel-xe] [Intel-gfx] [PATCH v3 1/6] drm/i915: Initialize dkl_phy spin lock from display code path

Rodrigo Vivi rodrigo.vivi at intel.com
Tue Apr 11 14:51:04 UTC 2023


On Tue, Apr 11, 2023 at 12:14:36PM +0300, Jani Nikula wrote:
> On Tue, 11 Apr 2023, Ville Syrjälä <ville.syrjala at linux.intel.com> wrote:
> > On Tue, Apr 11, 2023 at 11:51:33AM +0300, Jani Nikula wrote:
> >> On Tue, 11 Apr 2023, Ville Syrjälä <ville.syrjala at linux.intel.com> wrote:
> >> > On Mon, Apr 10, 2023 at 11:32:14AM -0700, José Roberto de Souza wrote:
> >> >> Start to move the initialization of some lock from
> >> >> i915_driver_early_probe().
> >> >> No dkl function is called prior to intel_setup_outputs(), so this is
> >> >> a good place to initialize it.
> >> >
> >> > I disagree. We don't want to sprinke these all over the place.
> >> 
> >> I'm thinking if only foo.c uses a lock, foo.c should initialize it, not
> >> someone else.
> >
> > Perhaps. But I think there should be some consistent place in the higher
> > level code where all such things get called instead of dropping each one
> > individually into some random spot in the overlall display init flow.
> 
> Agreed.

Ops, I just saw this now, right after I cc'ed you in the other thread.

So, probably good to hold this and do the entire refactor together of all
those locks initialization so we find this common consistent place apparently...

> 
> -- 
> Jani Nikula, Intel Open Source Graphics Center


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