[PATCH v6 8/9] drm: Add macro to export functions only when CONFIG_DRM_DEBUG_SELFTEST is enabled
Chris Wilson
chris at chris-wilson.co.uk
Wed Nov 6 13:53:08 UTC 2019
Quoting Alexandru-Cosmin Gheorghe (2018-10-29 17:14:43)
> If we want to be able to write drmselftests for non-static core
> functions that are not intended to be used by drivers we need this
> functions to be exported.
>
> This adds a macro that is tied of CONFIG_DRM_DEBUG_SELFTEST, and uses
> that to export drm_internal_framebuffer_create, in order for
> subsequent patches to be able to test it.
>
> Signed-off-by: Alexandru Gheorghe <alexandru-cosmin.gheorghe at arm.com>
> ---
> drivers/gpu/drm/drm_framebuffer.c | 1 +
> include/drm/drmP.h | 6 ++++++
> 2 files changed, 7 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
> index 167c1c4544af..fcaea8f50513 100644
> --- a/drivers/gpu/drm/drm_framebuffer.c
> +++ b/drivers/gpu/drm/drm_framebuffer.c
> @@ -323,6 +323,7 @@ drm_internal_framebuffer_create(struct drm_device *dev,
>
> return fb;
> }
> +EXPORT_SYMBOL_FOR_TESTS_ONLY(drm_internal_framebuffer_create);
>
> /**
> * drm_mode_addfb2 - add an FB to the graphics configuration
> diff --git a/include/drm/drmP.h b/include/drm/drmP.h
> index 05350424a4d3..514beb2d483a 100644
> --- a/include/drm/drmP.h
> +++ b/include/drm/drmP.h
> @@ -110,4 +110,10 @@ static inline bool drm_can_sleep(void)
> return true;
> }
>
> +#if defined(CONFIG_DRM_DEBUG_SELFTEST_MODULE)
> +#define EXPORT_SYMBOL_FOR_TESTS_ONLY(x) EXPORT_SYMBOL(x)
> +#else
> +#define EXPORT_SYMBOL_FOR_TESTS_ONLY(x)
> +#endif
There's no Kconfig stanza for this symbol.
-Chris
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