4 Commits

Author SHA1 Message Date
Chris Wilson
a6c3b32622 igt/kms_vblank: Simple accuracy test
Queue 60 event to arrive at the same vblank from different points in
time and make sure it just works.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2015-04-06 10:44:46 +01:00
Chris Wilson
590e47c94f igt/kms_vblank: Include a test for comparing blocking drmWaitVblank
The other aspect of the spinlock/interrupt on-off overhead is that when
we wait for vblank it immediately turns off, and then we immediately turn
it back on for the next wait.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2015-04-02 11:45:17 +01:00
Thomas Wood
47f6b1305c igt.cocci: check the return values of various functions
Add rules to fix unused-result warnings when compiling with
_FORTIFY_SOURCE defined and apply them to the library and tests.

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2015-03-26 15:50:59 +00:00
Chris Wilson
e7d26df419 igt/kms_vblank: Simple harness for measuring speed of drmWaitVBlank
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2015-03-19 15:33:51 +00:00