Re: [PATCH 0/3] ACPI/video / platform/x86: Add backlight=native quirk for Dell OptiPlex 7760 AIO

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On Wed, Aug 14, 2024 at 09:01:56PM +0200, Hans de Goede wrote:
> Hi Rafael,
> 
> 6.10 has a new backlight driver for UART attached backlight controller
> boards found in some Dell All in One models.
> 
> Now the first AIO has turned up which has not only the DSDT bits for this,
> but also an actual controller attached to the UART, yet it is not using
> this controller for backlight control (it needs GPU native control).
> 
> I did not tie the dell-uart-backlight into acpi_video_get_backlight_type()
> yet, so the first 2 patches in this series deal with that and the third
> patch adds a DMI quirk to select native backlight control on top.
> 
> Backlight control used to work on the Dell OptiPlex 7760 AIO with kernel
> 6.9 and older, so this is a regression and I would like to see this
> series merged as fixes for 6.11.
> 
> Rafael, the drivers/platform/x86/dell/dell-uart-backlight.c are small
> and isolated. So I believe it is best if you take the entire series,
> to avoid conflicts if any other drivers/apci/video_detect.c DMI quirks
> show up this cycle.

FWIW,
Reviewed-by: Andy Shevchenko <andy@xxxxxxxxxx>

I find this quite small and I agree this would be nice to have as fixes.

-- 
With Best Regards,
Andy Shevchenko






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