When the media subsystem is built as a loadable module, a built-in
DRM driver cannot use the cec notifiers:
drivers/gpu/drm/sti/sti_hdmi.o: In function `sti_hdmi_remove':
sti_hdmi.c:(.text.sti_hdmi_remove+0x28): undefined reference to `cec_notifier_set_phys_addr'
sti_hdmi.c:(.text.sti_hdmi_remove+0x50): undefined reference to `cec_notifier_put'
drivers/gpu/drm/sti/sti_hdmi.o: In function `sti_hdmi_connector_get_modes':
sti_hdmi.c:(.text.sti_hdmi_connector_get_modes+0x84): undefined reference to `cec_notifier_set_phys_addr_from_edid'
drivers/gpu/drm/sti/sti_hdmi.o: In function `sti_hdmi_probe':
sti_hdmi.c:(.text.sti_hdmi_probe+0x1a8): undefined reference to `cec_notifier_get'
drivers/gpu/drm/sti/sti_hdmi.o: In function `sti_hdmi_connector_detect':
sti_hdmi.c:(.text.sti_hdmi_connector_detect+0x68): undefined reference to `cec_notifier_set_phys_addr'
drivers/gpu/drm/sti/sti_hdmi.o: In function `sti_hdmi_disable':
sti_hdmi.c:(.text.sti_hdmi_disable+0xec): undefined reference to `cec_notifier_set_phys_addr'
This adds a Kconfig dependency to enforce the HDMI driver to also
be a loadable module in this case.
Fixes: bca55958ea87 ("[media] sti: hdmi: add CEC notifier support")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
drivers/gpu/drm/sti/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/sti/Kconfig b/drivers/gpu/drm/sti/Kconfig
index acd72865feac..adac4c3e142e 100644
--- a/drivers/gpu/drm/sti/Kconfig
+++ b/drivers/gpu/drm/sti/Kconfig
@@ -1,6 +1,7 @@
config DRM_STI
tristate "DRM Support for STMicroelectronics SoC stiH4xx Series"
depends on DRM && (ARCH_STI || ARCH_MULTIPLATFORM)
+ depends on (MEDIA_SUPPORT && MEDIA_CEC_NOTIFIER) || !MEDIA_CEC_NOTIFIER
select RESET_CONTROLLER
select DRM_KMS_HELPER
select DRM_GEM_CMA_HELPER
--
2.9.0
