[PATCH v3 4/6] drm/i915: Extract opregion vbt presence check

[Jani Nikula]

On Tue, 12 Mar 2024, Thomas Weißschuh <thomas.weissschuh at linutronix.de> wrote:
> On Wed, Feb 28, 2024 at 01:32:33PM -0800, Radhakrishna Sripada wrote:
>> We want to later change intel_opregion_get_vbt to duplicate the vbt
>> memory if present, which would be an overkill when we just want to
>> peek into the presence of opregion vbt. Carve out the presence check
>> into its own function to use in places where only the presence of vbt
>> is required.
>
> This doesn't compile when CONFIG_ACPI is not enabled:
>
>   CC [M]  drivers/gpu/drm/xe/i915-display/intel_bios.o
> drivers/gpu/drm/i915/display/intel_bios.c: In function 'intel_bios_is_lvds_present':
> drivers/gpu/drm/i915/display/intel_bios.c:3425:24: error: implicit declaration of function 'intel_opregion_vbt_present'; did you mean
>  'intel_opregion_asle_present'? [-Werror=implicit-function-declaration]
>  3425 |                 return intel_opregion_vbt_present(i915);
>       |                        ^~~~~~~~~~~~~~~~~~~~~~~~~~
>       |                        intel_opregion_asle_present
> cc1: all warnings being treated as errors
>
> Seen on next-20240312.

Thanks for the report, fix at 

https://lore.kernel.org/r/20240312115757.683584-1-jani.nikula@intel.com

BR,
Jani.


-- 
Jani Nikula, Intel