APPLIED[F/G]: [SRU v2] [F/G/Unstable/OEM-5.10] [PATCH 0/1] Use DCPD to control HP DreamColor panel
Kelsey Skunberg
kelsey.skunberg at canonical.com
Fri Jan 22 19:23:02 UTC 2021
Applied to F/G master-next. thank you!
-Kelsey
On 2021-01-12 18:54:45 , Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1911001
>
> [Impact]
> Cannot change brightness on HP ZBook Fury with certain panel.
>
> [Fix]
> Add the panel to DPCD quirk table to use DPCD to control the panel
> backlight.
>
> [Test]
> Changing backlight sysfs doesn't change the display brightness.
> With the patch applied, changing sysfs backlight can really change the
> display brightness.
>
> [Where problems could occur]
> This fix is specific to a single panel, so it's not likely to cause any
> regression to other devices.
>
> Kai-Heng Feng (1):
> UBUNTU: SAUCE: drm/dp: Another HP DreamColor panel brigntness fix
>
> drivers/gpu/drm/drm_dp_helper.c | 1 +
> 1 file changed, 1 insertion(+)
>
> --
> 2.29.2
>
>
> --
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