Bug#658662: drm/i915: no signal via DisplayPort on Sandy Bridge since Linux 3.2
On Mon, Feb 06, 2012 at 01:15:44AM -0600, Jonathan Nieder wrote:
> Please report this upstream, following instructions from , 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.