[Intel-gfx] [PATCH 01/22] drm/i915: Restore -Wunused-but-set-variable

[Chris Wilson]

Quoting Chris Wilson (2019-06-17 08:18:51)
> We appear to be clear of this warning, so time to re-enable the gcc error
> checking.

Scratch that, it is only showing up under W=1. Hmm.

I forget it is to cover the voluminous atomic macros.
-Chris