drm/ttm/tests: depend on UML || COMPILE_TEST

At least the device test requires that no other driver using TTM is loaded. So make those unit tests depend on UML || COMPILE_TEST to prevent people from trying them on bare metal. Signed-off-by: Christian König <[email protected]> Acked-by: Alex Deucher <[email protected]> Link: https://lore.kernel.org/all/20240219230116.77b8ad68@yea/
wongsyrone · Feb 26, 2024 · 9d3f8a7 · 9d3f8a7
1 parent 2f91085
commit 9d3f8a7
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
@@ -199,15 +199,16 @@ config DRM_TTM
 config DRM_TTM_KUNIT_TEST
         tristate "KUnit tests for TTM" if !KUNIT_ALL_TESTS
         default n
-        depends on DRM && KUNIT && MMU
+        depends on DRM && KUNIT && MMU && (UML || COMPILE_TEST)
         select DRM_TTM
         select DRM_EXPORT_FOR_TESTS if m
         select DRM_KUNIT_TEST_HELPERS
         default KUNIT_ALL_TESTS
         help
           Enables unit tests for TTM, a GPU memory manager subsystem used
           to manage memory buffers. This option is mostly useful for kernel
-          developers.
+          developers. It depends on (UML || COMPILE_TEST) since no other driver
+          which uses TTM can be loaded while running the tests.
 
           If in doubt, say "N".