[igt-dev] [PATCH igt] igt/kms_frontbuffer_tracking: Disable FBC testing for -ENODEV

[Chris Wilson]

Quoting Daniel Vetter (2018-02-20 12:17:18)
> On Thu, Feb 15, 2018 at 09:21:47AM +0000, Chris Wilson wrote:
> > Quoting Chris Wilson (2018-02-11 18:54:33)
> > > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> > 
> > Poke, CI is still tripping over this...
> 
> Can you give a bit more context about what's going on and how this
> happens? Bugzilla or whatever ... I'm confused.

i915_fbc_status():
	if (!HAS_FBC(dev_priv))
		return -ENODEV;

So whenever CI is run on machines without FBC (all of its gen3-gen5
machine, as the only ilk appears to be a desktop unless I missed one)
buf is empty.
-Chris