On Sat, Jul 24, 2021 at 12:47 AM Karol Herbst <kherbst@xxxxxxxxxx> wrote:
>
> In the past this only led to compilation issues. Also the small amount of
> extra .text shouldn't really matter compared to the entire nouveau driver
> anyway.
>
> select DRM_TTM_HELPER
> - select BACKLIGHT_CLASS_DEVICE if DRM_NOUVEAU_BACKLIGHT
> - select ACPI_VIDEO if ACPI && X86 && BACKLIGHT_CLASS_DEVICE && INPUT
> + select BACKLIGHT_CLASS_DEVICE
> + select ACPI_VIDEO if ACPI && X86 && INPUT
> select X86_PLATFORM_DEVICES if ACPI && X86
> select ACPI_WMI if ACPI && X86
I think the logic needs to be the reverse: instead of 'select
BACKLIGHT_CLASS_DEVICE',
this should be 'depends on BACKLIGHT_CLASS_DEVICE', and the same for ACPI_VIDEO.
We may want to add 'default DRM || FB' to BACKLIGHT_CLASS_DEVICE in the
process so we don't lose it for users doing 'make oldconfig' or 'make defconfig'
The rest of the patch looks good to me.
Arnd
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