Re: [PATCH v3 02/17] drm/bridge: Verify lane assignment is going to work during atomic_check

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On Tue, Aug 20, 2024 at 10:12:55AM -0700, Stephen Boyd wrote:
> Quoting Andy Shevchenko (2024-08-20 03:09:29)
> > On Mon, Aug 19, 2024 at 03:38:16PM -0700, Stephen Boyd wrote:

...

> > Yeah, I really think that the appearance of this thousandth time in the Git
> > history has almost no value and just pollutes the commit message makes it not
> > very well readable. The only outcome is exercising the compression algo used
> > by Git.
> 
> I'll leave the decision up to the maintainers.

Sure!

...

> > > +     /*
> > > +      * Ensure this bridge is aware that the next bridge wants to
> > > +      * reassign lanes.
> > > +      */
> > > +     for (i = 0; i < num_input_lanes; i++)
> > > +             if (i != input_lanes[i].logical && !num_output_lanes)
> > > +                     return -ENOTSUPP;
> >
> > Besides missing {} this code is internal to the Linux kernel. Is it okay?
> 
> ENOTSUPP is used by select_bus_fmt_recursive() so I simply followed that
> style.

Okay, just be aware of that side effect of that code, also checkpatch may
complain (however it might be false positive).

-- 
With Best Regards,
Andy Shevchenko






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