On Mon, 25 Jul 2011 13:15:54 -0400, Andrew Lutomirski wrote:
> Done.
Jesse Barnes and I discovered, much to our horror, that the hotplugging
path isn't holding the struct mutex while attempting to retrain the DP
link. That means that an application could well be doing a bit of
overlapping modese
On Mon, Jul 25, 2011 at 12:08 PM, Keith Packard wrote:
> On Mon, 25 Jul 2011 11:23:17 -0400, Andrew Lutomirski wrote:
>
>> A debugging patch and its output are attached.
>
> I didn't get any attachment.
>
>> If I had to guess, though, it's a race: a hotplug event happens during
>> the intel_dp_dp
On Mon, 25 Jul 2011 11:23:17 -0400, Andrew Lutomirski wrote:
> A debugging patch and its output are attached.
I didn't get any attachment.
> If I had to guess, though, it's a race: a hotplug event happens during
> the intel_dp_dpms callback, confusing the code that's trying to train
> the link.
On Mon, Jul 25, 2011 at 12:54 AM, Keith Packard wrote:
> On Sat, 23 Jul 2011 14:40:36 -0400, Andrew Lutomirski wrote:
>> I have a Q67 (DQ67SW board) attached to a Dell U2711 via DP. In
>> previous kernels, the DP link has worked flawlessly. I just booted
>> 3.0-final and simultaneously enabled
On Sat, 23 Jul 2011 14:40:36 -0400, Andrew Lutomirski wrote:
> I have a Q67 (DQ67SW board) attached to a Dell U2711 via DP. In
> previous kernels, the DP link has worked flawlessly. I just booted
> 3.0-final and simultaneously enabled SNA, and now when my screen goes
> to sleep I don't get an im
On Sat, Jul 23, 2011 at 2:40 PM, Andrew Lutomirski wrote:
> I have a Q67 (DQ67SW board) attached to a Dell U2711 via DP. In
> previous kernels, the DP link has worked flawlessly. I just booted
> 3.0-final and simultaneously enabled SNA, and now when my screen goes
> to sleep I don't get an image
