[Bug 54273] kms blackscreen ATI RV620 FirePro 2260, res: 2560*1600

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Jun 20 16:31:13 PDT 2013


https://bugs.freedesktop.org/show_bug.cgi?id=54273

--- Comment #44 from John-Michael Mulesa <thesaxophonist at gmail.com> ---
Thanks for the advice. Sadly this doesn't appear to be the issue. I added some
variable debug printing around that code and did some xrandr switches between
the working and non-working modes. The link clock and number of lanes stayed
consistent regardless of the mode.

[   90.440260] radeon: dp_link_clock: 270000
[   90.440265] radeon: dp_lane_number: 2
[  151.480696] radeon: dp_link_clock: 270000
[  151.480699] radeon: dp_lane_number: 2
[  161.053043] radeon: dp_link_clock: 270000
[  161.053047] radeon: dp_lane_number: 2
[  374.582457] radeon: dp_link_clock: 270000
[  374.582459] radeon: dp_lane_number: 2

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