[PATCH v3 2/2] drm/amd: Add power_saving_policy drm property to eDP connectors

[Thomas Zimmermann]

Hi

Am 01.08.24 um 14:33 schrieb Jani Nikula:
> On Mon, 01 Jul 2024, Xaver Hugl <xaver.hugl at gmail.com> wrote:
>> Am Do., 20. Juni 2024 um 22:22 Uhr schrieb Xaver Hugl <xaver.hugl at gmail.com>:
>>> Merging can only happen once a real world userspace application has
>>> implemented support for it. I'll try to do that sometime next week in
>>> KWin
>> Here's the promised implementation:
>> https://invent.kde.org/plasma/kwin/-/merge_requests/6028
> The requirement is that the userspace patches must be reviewed and ready
> for merging into a suitable and canonical upstream project.
>
> Are they?

I already saw this series in today's PR for drm-misc-next. :/

Best regards
Thomas

>
>
> BR,
> Jani.
>
>
>> In testing with the patches on top of kernel 6.9.6, setting the
>> property to `Require color accuracy` makes the sysfs file correctly
>> report "Device or resource busy" when trying to change the power
>> saving level, but setting the property to zero doesn't really work.
>> Once KWin sets the property to zero, changing the power saving level
>> "works" but the screen blanks for a moment (might just be a single
>> frame) and reading from the file returns zero again, with the visuals
>> and backlight level unchanged as well.

-- 
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
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