Bug#658662: drm/i915: no signal via DisplayPort on Sandy Bridge since Linux 3.2

[Peter Colberg <peter@colberg.org>]

Hi Jonathan,

On Mon, Feb 06, 2012 at 01:15:44AM -0600, Jonathan Nieder wrote:
> Please report this upstream, following instructions from [1], and let
> us know the bug number so we can track it.
> 
> The upstream developers may ask you to bisect to find the specific
> patch that introduced the problem.  It works like this:
> …

Thanks for the detailed walk-through. So far I tested vanilla Linux
v3.2 as bad, v3.1 as good, and started the bisect (with the first
half-way commit tested as bad). That means “roughly 12 steps” to go.

I will report back when the upstream bug report is filed.

Regards,
Peter