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

[Rafael J. Wysocki]

On Wed, Aug 14, 2024 at 10:10 PM Andy Shevchenko <andy at kernel.org> wrote:
>
> 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 at kernel.org>
>
> I find this quite small and I agree this would be nice to have as fixes.

Applied as fixes for 6.11-rc, thanks!