[igt-dev] [RFT v4 3/6] igt/lib: Add wrapper to check if gtt mapping is available

[Chris Wilson]

Quoting Katarzyna Dec (2019-04-16 14:25:28)
> Sorry Antonio for entering this patchset discussion so late :).
> 
> On Mon, Mar 25, 2019 at 04:20:40PM -0700, Antonio Argenziano wrote:
> > +static int gem_mmap__gtt_version(int fd)
> > +{
> > +     static int gtt_version = ~0;
> What is the reason that you are using '~0' value here and not -1?

The real question is why is it still a static int at all.
-Chris