From: Arnd Bergmann <arnd@xxxxxxxx>
The 'select FB_CORE' statement moved from CONFIG_DRM to DRM_CLIENT_LIB,
but there are now configurations that have code calling into fb_core
as built-in even though the client_lib itself is a loadable module:
x86_64-linux-ld: drivers/gpu/drm/drm_fbdev_shmem.o: in function `drm_fbdev_shmem_driver_fbdev_probe':
drm_fbdev_shmem.c:(.text+0x1fc): undefined reference to `fb_deferred_io_init'
x86_64-linux-ld: drivers/gpu/drm/drm_fbdev_shmem.o: in function `drm_fbdev_shmem_fb_destroy':
drm_fbdev_shmem.c:(.text+0x2e1): undefined reference to `fb_deferred_io_cleanup'
...
x86_64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_set_suspend':
drm_fb_helper.c:(.text+0x2c6): undefined reference to `fb_set_suspend'
x86_64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_resume_worker':
drm_fb_helper.c:(.text+0x2e1): undefined reference to `fb_set_suspend'
In addition to DRM_CLIENT_LIB, the 'select' needs to be at least in
two more parts, DRM_KMS_HELPER and DRM_GEM_SHMEM_HELPER, so add those
here.
Fixes: dadd28d4142f ("drm/client: Add client-lib module")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
v2: keep the select in DRM_CLIENT_LIB, keep alphabetic sorting
---
drivers/gpu/drm/Kconfig | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index a4a092ee70d9..410bd6d78408 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -98,6 +98,7 @@ config DRM_KUNIT_TEST
config DRM_KMS_HELPER
tristate
depends on DRM
+ select FB_CORE if DRM_FBDEV_EMULATION
help
CRTC helpers for KMS drivers.
@@ -371,6 +372,7 @@ config DRM_GEM_DMA_HELPER
config DRM_GEM_SHMEM_HELPER
tristate
depends on DRM && MMU
+ select FB_CORE if DRM_FBDEV_EMULATION
select FB_SYSMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
help
Choose this if you need the GEM shmem helper functions
--
2.39.5
