[Bug 70254] [snb dp hotplug] Pipe B, PCH transcoder B FIFO underrun
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sat Feb 1 16:36:05 PST 2014
https://bugs.freedesktop.org/show_bug.cgi?id=70254
--- Comment #39 from Robert N <crshman at gmail.com> ---
Hey Guys,
So after a few days of testing I've seen zero flickers with this config:
root at rnavarro-thinkpad:~# cat /sys/kernel/debug/dri/0/i915_pri_wm_latency
WM0 12 (1.2 usec)
WM1 3 (1.5 usec)
WM2 4 (2.0 usec)
WM3 22 (11.0 usec)
So I went from:
WM0 7 (0.7 usec) --> WM0 12 (1.2 usec)
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