REGRESSION: dpms-on broken (drm_radeon,displayport) -- bisected

[Alex Deucher]

On Thu, Jun 10, 2010 at 4:50 PM, Lars Doelle <lars.doelle at on-line.de> wrote:
> Hi Alex,
> Hi All,
>
>
>> Any chance you could bisect it?
>
> good news. It's a two-line patch.
>

Attached patch should fix it.

Alex

>
> commit fb668c2fed628179c7aa409a0de39a2b96bed18c
> Author: Alex Deucher <alexdeucher at gmail.com>
> Date:   Wed Mar 31 14:42:11 2010 -0400
>
>    drm/radeon/kms/evergreen: get DP working
>
>    Need to enable the VID stream after link training
>
>    Signed-off-by: Alex Deucher <alexdeucher at gmail.com>
>    Signed-off-by: Dave Airlie <airlied at redhat.com>
>
>
> Please note the lines from from the [kernel.log] in my original report:
>
>> : [drm:dp_link_train] ERROR clock recovery tried 5 times
>> : [drm:dp_link_train] ERROR clock recovery failed
>> : [drm:dp_link_train] ERROR channel eq failed: 5 tries
>> : [drm:dp_link_train] ERROR channel eq failed
>
>
>> >> i write to report a regression
>> >> The effect is, that after DPMS-OFF, the monitor cannot be reactivated
>> >> locally by a key press or remotely via `xset dpms force on´.
>> >> I can work around the issue switching the monitor off and on again.
>
>> >> I can provide more information on request and offer help testing patches.
>
>
> Kind regards
>
>  Lars
>
>
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