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drm: Move EXPORT_SYMBOL_FOR_TESTS_ONLY under a separate Kconfig

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Currently, we only export symbols for drm-selftests which are either
compiled as modules or into the main drm builtin. However, if we want to
export symbols from drm.ko for the drivers' selftests, we require a
means of controlling that export separately. So we add a new Kconfig to
determine whether or not the EXPORT_SYMBOL_FOR_TESTS_ONLY() takes
effect.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20191107180601.30815-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-11-07 18:05:57 +00:00
parent 27dbae8f36
commit 6349120ddc
2 changed files with 5 additions and 1 deletions
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4
drivers/gpu/drm/Kconfig
View File

@ -54,6 +54,9 @@ config DRM_DEBUG_MM
If in doubt, say "N".
config DRM_EXPORT_FOR_TESTS
bool
config DRM_DEBUG_SELFTEST
tristate "kselftests for DRM"
depends on DRM
@ -61,6 +64,7 @@ config DRM_DEBUG_SELFTEST
select PRIME_NUMBERS
select DRM_LIB_RANDOM
select DRM_KMS_HELPER
select DRM_EXPORT_FOR_TESTS if m
default n
help
This option provides kernel modules that can be used to run

2
include/drm/drm_util.h
View File

@ -41,7 +41,7 @@
* Use EXPORT_SYMBOL_FOR_TESTS_ONLY() for functions that shall
* only be visible for drmselftests.
*/
#if defined(CONFIG_DRM_DEBUG_SELFTEST_MODULE)
#if defined(CONFIG_DRM_EXPORT_FOR_TESTS)
#define EXPORT_SYMBOL_FOR_TESTS_ONLY(x) EXPORT_SYMBOL(x)
#else
#define EXPORT_SYMBOL_FOR_TESTS_ONLY(x)