drm/selftests: Select DRM_DP_HELPER

Resolve warnings about non-existing symbols by selecting DRM_DP_HELPER.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: adb9d5a2cc77 ("drm/dp: Move DisplayPort helpers into separate helper module")
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Lyude Paul <lyude@redhat.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: dri-devel@lists.freedesktop.org
Link: https://patchwork.freedesktop.org/patch/msgid/20220118154418.25932-1-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index cc3e979c9c9d003604a080962b7d948aeb9102c2..dfdd3ec5f79329ed1098d0a4b884cbfcad6e03b0 100644 (file)
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -68,6 +68,7 @@ config DRM_DEBUG_SELFTEST
        depends on DRM
        depends on DEBUG_KERNEL
        select PRIME_NUMBERS
+       select DRM_DP_HELPER
        select DRM_LIB_RANDOM
        select DRM_KMS_HELPER
        select DRM_EXPORT_FOR_TESTS if m