[Bug 55228] [ivb dual-link dvi dongle] doesn't work with common DP dongle

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Feb 11 02:02:22 PST 2015


https://bugs.freedesktop.org/show_bug.cgi?id=55228

--- Comment #42 from Simon Farnsworth <simon at farnz.org.uk> ---
(In reply to aidanamarks from comment #41)
> Created attachment 113328 [details]
> drm debug for v4 patch on 3.19-rc6
> 
> Hi Simon, I'm sorry to report that the v4 patch doesn't work for me at all,
> it reverts to 1024x768.  v3 was great though.  I'm attaching this debug for
> v4 in case it helps.  If you need anything more, let me know.

One more thing, just to confirm that the patch has done what I'd expect it to
do:

cat /sys/module/drm_kms_helper/parameters/dp_aux_i2c_transfer_size

I'd expect 16 - any other value is unexpected.

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