[Intel-gfx] [PATCH v3] drm/i915/mst: Use MST sideband message transactions for dpms control

Maarten Lankhorst maarten.lankhorst at linux.intel.com
Wed Oct 4 09:05:06 UTC 2017


Op 04-10-17 om 10:47 schreef Jani Nikula:
> On Tue, 03 Oct 2017, Jani Nikula <jani.nikula at intel.com> wrote:
>> From: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>
>>
>> Use the POWER_DOWN_PHY and POWER_UP_PHY sideband message transactions to
>> set power states for downstream sinks. Apart from giving us the ability
>> to set power state for individual sinks, this fixes the below test for
>> me.
>>
>> $ xrandr --display :0 --output DP-2-2-8 --off
>> $ xrandr --display :0 --output DP-2-2-1 --off
>> $ xrandr --display :0 --output DP-2-2-8 --auto #Black screen
>> $ xrandr --display :0 --output DP-2-2-1 --auto
>>
>> v2: Modify and document the dpms and port disable order (Ville)
>>     Add comment explaining is_mst = !crtc_state equivalence(Ville, Maarten)
>>
>> v3 by Jani: rebase
>>
>> References: https://bugs.freedesktop.org/show_bug.cgi?id=90963
>> References: https://bugs.freedesktop.org/show_bug.cgi?id=88124
>> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
>> Cc: Lyude <lyude at redhat.com>
>> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
>> Reviewed-by: Lyude Paul <lyude at redhat.com>
>> Acked-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Lyude, Maarten, can you confirm your rb/ack on my rebase please?
>
Rebase looks good.
ack stands.

:)


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