On Wed, Nov 24, 2021 at 01:01:22PM -0500, Alex Deucher wrote:
> From: Roman Li <Roman.Li@xxxxxxx>
>
> [Why]
> After commit ("drm/amdgpu/display: add support for multiple backlights")
> number of eDPs is defined while registering backlight device.
> However the panel's extended caps get updated once before register call.
> That leads to regression with extended caps like oled brightness control.
>
> [How]
> Update connector ext caps after register_backlight_device
>
> Fixes: 7fd13baeb7a3a4 ("drm/amdgpu/display: add support for multiple backlights")
> Link: https://www.reddit.com/r/AMDLaptops/comments/qst0fm/after_updating_to_linux_515_my_brightness/
>
> Signed-off-by: Roman Li <Roman.Li@xxxxxxx>
> Tested-by: Samuel Čavoj <samuel@xxxxxxxxx>
> Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
> Reviewed-by: Jasdeep Dhillon <Jasdeep.Dhillon@xxxxxxx>
> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> (cherry picked from commit dab60582685aabdae2d4ff7ce716456bd0dc7a0f)
Now queued up for 5.10 and 5.15, thanks.
greg k-h
