linux-kernel - Re: [PATCH] drm/i915: add intel_opregion_vbt

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Date: Wed, 13 Mar 2024 11:53:14 +0200
From: Jani Nikula <jani.nikula@...ux.intel.com>
To: Arnd Bergmann <arnd@...nel.org>, Rodrigo Vivi <rodrigo.vivi@...el.com>,
 Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>, Tvrtko Ursulin
 <tursulin@...ulin.net>, David Airlie <airlied@...il.com>, Daniel Vetter
 <daniel@...ll.ch>, Radhakrishna Sripada <radhakrishna.sripada@...el.com>
Cc: Arnd Bergmann <arnd@...db.de>, Imre Deak <imre.deak@...el.com>, Nirmoy
 Das <nirmoy.das@...el.com>, intel-gfx@...ts.freedesktop.org,
 intel-xe@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/i915: add intel_opregion_vbt_present() stub function

On Wed, 13 Mar 2024, Arnd Bergmann <arnd@...nel.org> wrote:
> From: Arnd Bergmann <arnd@...db.de>
>
> The newly added function is not available without CONFIG_ACPI, causing
> a build failure:
>
> drivers/gpu/drm/i915/display/intel_bios.c:3424:24: error: implicit declaration of function 'intel_opregion_vbt_present'; did you mean 'intel_opregion_asle_present'? [-Werror=implicit-function-declaration]
>
> Add an empty stub in the same place as the other stubs.
>
> Fixes: 9d9bb71f3e11 ("drm/i915: Extract opregion vbt presence check")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Thanks, but just applied the identical [1].

BR,
Jani.


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

> ---
>  drivers/gpu/drm/i915/display/intel_opregion.h | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_opregion.h b/drivers/gpu/drm/i915/display/intel_opregion.h
> index 63573c38d735..4b2b8e752632 100644
> --- a/drivers/gpu/drm/i915/display/intel_opregion.h
> +++ b/drivers/gpu/drm/i915/display/intel_opregion.h
> @@ -120,6 +120,11 @@ intel_opregion_get_edid(struct intel_connector *connector)
>  	return NULL;
>  }
>  
> +static inline bool intel_opregion_vbt_present(struct drm_i915_private *i915)
> +{
> +	return false;
> +}
> +
>  static inline const void *
>  intel_opregion_get_vbt(struct drm_i915_private *i915, size_t *size)
>  {

-- 
Jani Nikula, Intel