linux-kernel - Re: [PATCH v14 4/7] drm: Export symbols to use in tests

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Message-ID: <20241122-crafty-feathered-capybara-b16c9d@houat>
Date: Fri, 22 Nov 2024 17:36:34 +0100
From: Maxime Ripard <mripard@...nel.org>
To: Louis Chauvet <louis.chauvet@...tlin.com>
Cc: Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>, 
	Melissa Wen <melissa.srw@...il.com>, Maíra Canal <mairacanal@...eup.net>, 
	Haneen Mohammed <hamohammed.sa@...il.com>, Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, rdunlap@...radead.org, 
	arthurgrillo@...eup.net, Jonathan Corbet <corbet@....net>, pekka.paalanen@...oniitty.fi, 
	Simona Vetter <simona.vetter@...ll.ch>, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
	jeremie.dautheribes@...tlin.com, miquel.raynal@...tlin.com, thomas.petazzoni@...tlin.com, 
	seanpaul@...gle.com, marcheu@...gle.com, nicolejadeyee@...gle.com
Subject: Re: [PATCH v14 4/7] drm: Export symbols to use in tests

On Fri, Nov 22, 2024 at 05:15:04PM +0100, Louis Chauvet wrote:
> The functions drm_get_color_encoding_name and drm_get_color_range_name
> are useful for clarifying test results. Therefore, export them so they
> can be used in tests built as modules.
> ---
>  drivers/gpu/drm/drm_color_mgmt.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_color_mgmt.c b/drivers/gpu/drm/drm_color_mgmt.c
> index 3969dc548cff605cbdd3d56dceafb2ca00a5c886..509aa4325391340f8cfc50bd0fc277c48c889d3d 100644
> --- a/drivers/gpu/drm/drm_color_mgmt.c
> +++ b/drivers/gpu/drm/drm_color_mgmt.c
> @@ -494,6 +494,7 @@ const char *drm_get_color_encoding_name(enum drm_color_encoding encoding)
>  
>  	return color_encoding_name[encoding];
>  }
> +EXPORT_SYMBOL(drm_get_color_encoding_name);

If it's only required for tests, then EXPORT_SYMBOL_IF_KUNIT or
EXPORT_SYMBOL_FOR_TESTS_ONLY would be better.

Maxime

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