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

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Feb 18 09:47:23 PST 2015


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

--- Comment #15 from oliver.grafe at ge.com ---
Hi,

I can re-test with the GOP driver instead of vBIOS. So this might help us to
figure out what's going on, but in the end I think we need to find a way to
have this working in legacy boot...

I'll get you this:

- intel_reg_dumper output of DP hot plug when booted with monitor attached
using vBIOS
- intel_reg_dumper output of DP hot plug when booted without monitor attached
using vBIOS
- intel_reg_dumper output of DP hot plug when booted with monitor attached
using GOP
- intel_reg_dumper output of DP hot plug when booted without monitor attached
using GOP

Greetings,
Oliver

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