[Bug 81476] three monitors on two radeon cards works with some layouts not others

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81476

--- Comment #12 from Ian! D. Allen <idallen at idallen.ca> ---
(In reply to comment #11)
> Does this kernel patch help?

I haven't built a kernel from source in years.
Let's see if I still remember how to do this.

I've fetched the Ubuntu kernel source.
Found /usr/src/linux-lts-trusty-3.13.0/drivers/gpu/drm/radeon/radeon_display.c
I've made the edit. (Was line 1422 in my file, not 1547 as in yours.)
Now "make oldconfig" and "make all" and wait...

I'll let you know.
Thanks for the quick action on this.
I see you're the co-author on this file; nice to meet you!

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