[Bug 100215] [SNB][IVB][BAT] kms_cursor_legacy at basic-busy-flip-before-cursor-atomic fails in CI
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed May 24 07:17:37 UTC 2017
https://bugs.freedesktop.org/show_bug.cgi?id=100215
--- Comment #27 from Maarten Lankhorst <bugs at mblankhorst.nl> ---
Created attachment 131460
--> https://bugs.freedesktop.org/attachment.cgi?id=131460&action=edit
ftrace, weird vblank timings
In this ftrace the difference in basic-busy-flip-before-cursor-legacy between
vblank_start and the get_vblank() at the end is 3, while 1 is expected.
The timing of calls to drm_handle_vblank looks wrong. They should be 16.7ms
apart, but it doesn't look to be the case here. After the read() it's called 3
times in a row, only 1 ms apart.
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