NACK/Cmnt: [PATCH 0/1] [SRU][OEM-5.10/H] UBUNTU: SAUCE: Fix backlight control on Samsung 16727 panel

[Stefan Bader]

On 02.06.21 08:57, Aaron Ma wrote:
> BugLink: https://bugs.launchpad.net/bugs/1930527
> 
> [Impact]
> Backlight can't be controlled on 5.11- version of kernel.
> 
> [Fix]
> The panel needs DPCD to get control of backlight.
> After 5.12 kernel introduced new Intel HDR backlight control, and it
> works well on this panel.
> Add quirk ID to enable DPCD on 5.11- kernel.
> 
> [Test]
> Vendor Verified on hardware, with this quirk backlight can be changed on
> 5.10 and 5.11 kernel.
> 
> [Where problems could occur]
> The panel backlight may not be changed.
> 
> Aaron Ma (1):
>    UBUNTU: SAUCE: drm/i915: Force DPCD backlight mode for Samsung 16727
>      panel
> 
>   drivers/gpu/drm/drm_dp_helper.c | 1 +
>   1 file changed, 1 insertion(+)
> 
This patch still does not show up on linux-next and on my previous inquiry there 
has been no reaction. If you feel like this should go into hirsute, then you 
have to resubmit with some explanation to why this has to be a SAUCE patch.

-Stefan

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