[Bug 85924] [hsw DP-to-DVI] DP hot plug fails if booted without Monitor Attached

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85924

--- Comment #26 from Jani Nikula <jani.nikula at intel.com> ---
The driver is under constant heavy development; features, bug fixes, new
platform enablement, etc. Between v3.16 and v3.19 the diffstat for the drm/i915
driver alone is: 70 files changed, 26673 insertions(+), 12471 deletions(-). For
a lot of people here the old versions are archeology, and it gets really really
hard to remember what was changed and what happened in which versions of the
kernel.

If the later kernels work, it should be possible (for whoever can reproduce the
issue) to reverse bisect when the fix was introduced, and we should be in a
much better position to backport the fix to older kernels.

We usually keep improving the logging we do to dmesg, so it's often easier to
figure out what's going on with the dmesg.

This, of course, is the upstream perspective.

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