[Intel-gfx] [PATCH 2/2] drm/i915: make sure eDP panel is turned on

[Eric Anholt]

On Mon, 26 Jul 2010 10:23:23 -0700, Jesse Barnes <jbarnes at virtuousgeek.org> wrote:
> On Thu, 22 Jul 2010 13:18:19 -0700
> Jesse Barnes <jbarnes at virtuousgeek.org> wrote:
> 
> > When enabling the eDP port, we need to make sure the panel is turned on
> > after training the link.  If we don't, it likely won't come back after
> > suspend or may not come up at all.
> > 
> > For unknown reasons, unlocking the panel regs before initiating a power
> > on sequence is necessary.  There are known bugs in the PCH panel
> > sequencing logic, apparently this is one possible workaround.
> > 
> > Fixes https://bugs.freedesktop.org/show_bug.cgi?id=28739.
> > 
> > Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> > ---
> 
> Tested-by: "Paulo J. S. Silva" <pjssilva at gmail.com>

Applied to for-linus.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 197 bytes
Desc: not available
URL: <http://lists.freedesktop.org/archives/intel-gfx/attachments/20100726/154302f1/attachment.sig>