[Bug 91451] Apple miniDP-to-VGA adapter doesn't work anymore since Kernel 4.1

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Aug 6 08:07:15 PDT 2015


https://bugs.freedesktop.org/show_bug.cgi?id=91451

--- Comment #8 from Simon Farnsworth <simon at farnz.org.uk> ---
(In reply to Chris from comment #7)
> Hi,
> I can confirm:
> drm_kms_helper.dp_aux_i2c_transfer_size to 1, 2 or 4 work; 8 doesn't work.

Are you also on a Broadwell GPU? If so, this definitely needs help from Intel,
as I don't have easy access to Broadwell right now for testing.

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