[Bug 97558] [Broadwell] VGA projection system not detected as of Linux 4.7 (but fine before then)

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Sep 30 02:34:39 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=97558

--- Comment #13 from Andrzej Pronobis <a.pronobis at gmail.com> ---
I can confirm that adding the last 2 commits from the branch you listed on top
of todays drm-intel-nightly solves the problem! When masking pin 15 of VGA
(EDID i2c clock I think) I can still get up to 1024x768 detected with the
commits, while the display is not detected at all without the commits.
Unfortunately, many projectors still do not provide the i2c interface or the
cables that are used simply do not provide all the pins.

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