[i-g-t,v5,01/10] tests/kms_atomic_transition: use igt timeout instead of blocking

Commit Message

Robert Foss Feb. 1, 2017, 6:12 p.m. UTC

From: Gustavo Padovan <[e-mail]>

If the event never arrives we can timeout and end the test.

Signed-off-by: Gustavo Padovan <[e-mail]>
Signed-off-by: Robert Foss <[e-mail]>
Reviewed-by: Brian Starkey <[e-mail]>
---
 tests/kms_atomic_transition.c | 2 ++
 1 file changed, 2 insertions(+)

Patch

diff --git a/tests/kms_atomic_transition.c b/tests/kms_atomic_transition.c
index 5fdb6175..095af515 100644
--- a/tests/kms_atomic_transition.c
+++ b/tests/kms_atomic_transition.c
@@ -383,7 +383,9 @@  static void commit_display(igt_display_t *display, unsigned event_mask, bool non
 		struct drm_event_vblank *vblank = (void *)buf;
 		uint32_t crtc_id, pipe = I915_MAX_PIPES;
 
+		igt_set_timeout(3, "Timed out while reading drm_fd\n");
 		ret = read(display->drm_fd, buf, sizeof(buf));
+		igt_reset_timeout();
 		if (ret < 0 && (errno == EINTR || errno == EAGAIN))
 			continue;