Daniel Vetter 1f0cf2df85 lib: make igt_set_vt_graphics_mode never fail
All tests agree that this is a letal failure, so no point
to pass it back to callers.

Also add some igt_require calls for the drm_fd where I've
noticed that it's missing.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-11-01 21:10:59 +01:00
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