Re: [PATCH 00/49] DRM driver for Hikey 970

From: Sam Ravnborg
Date: Fri Aug 21 2020 - 11:57:07 EST


Hi Mauro.

On Fri, Aug 21, 2020 at 04:41:58PM +0200, Mauro Carvalho Chehab wrote:
> Another quick question:
>
> Em Wed, 19 Aug 2020 19:35:58 +0200
> Sam Ravnborg <sam@xxxxxxxxxxxx> escreveu:
>
> > > +#define DSS_REDUCE(x) ((x) > 0 ? ((x) - 1) : (x))
> > Use generic macros for this?
>
> Do you know a generic macro similar to this? Or do you mean adding
> it to include/kernel.h?

It looked like something there should be a macro for.
But I do not know one.

And no, do not try to go the kernel.h route on this.
At least not until you see more than one user.

Sam