[PATCH v5 07/22] drm/client: Add some tests for drm_connector_pick_cmdline_mode()

[Noralf Trønnes]

Den 13.10.2022 15.18, skrev Maxime Ripard:
> drm_connector_pick_cmdline_mode() is in charge of finding a proper
> drm_display_mode from the definition we got in the video= command line
> argument.
> 
> Let's add some unit tests to make sure we're not getting any regressions
> there.
> 
> Signed-off-by: Maxime Ripard <maxime at cerno.tech>
> 
> ---
> Changes in v5:
> - Removed useless (for now) count and modes intermediate variables in
>   get_modes
> - Switched to kunit assertions in test init, and to KUNIT_ASSERT_NOT_NULL
>   instead of KUNIT_ASSERT_PTR_NE(..., NULL)
> 
> Changes in v4:
> - Removed MODULE macros
> ---
>  drivers/gpu/drm/drm_client_modeset.c            |  4 +
>  drivers/gpu/drm/tests/drm_client_modeset_test.c | 99 +++++++++++++++++++++++++
>  2 files changed, 103 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c
> index bbc535cc50dd..d553e793e673 100644
> --- a/drivers/gpu/drm/drm_client_modeset.c
> +++ b/drivers/gpu/drm/drm_client_modeset.c
> @@ -1237,3 +1237,7 @@ int drm_client_modeset_dpms(struct drm_client_dev *client, int mode)
>  	return ret;
>  }
>  EXPORT_SYMBOL(drm_client_modeset_dpms);
> +
> +#ifdef CONFIG_DRM_KUNIT_TEST
> +#include "tests/drm_client_modeset_test.c"
> +#endif

I can't say I like including the file like this, but exporting the
static function for testing isn't attractive either and doing it like
this is shown in the kunit docs, so:

Acked-by: Noralf Trønnes <noralf at tronnes.org>