On Tue, 19 May 2020 at 08:01, Daniel Gomez <[email protected]> wrote: > > Select DRM_KMS_HELPER dependency. > > Build error when DRM_KMS_HELPER is not selected: > > drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xd48): undefined reference to > `drm_atomic_helper_bridge_duplicate_state' > drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xd50): undefined reference to > `drm_atomic_helper_bridge_destroy_state' > drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xd70): undefined reference to > `drm_atomic_helper_bridge_reset' > drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xdc8): undefined reference to > `drm_atomic_helper_connector_reset' > drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xde0): undefined reference to > `drm_helper_probe_single_connector_modes' > drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xe08): undefined reference to > `drm_atomic_helper_connector_duplicate_state' > drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xe10): undefined reference to > `drm_atomic_helper_connector_destroy_state' > > Signed-off-by: Daniel Gomez <[email protected]> Nicely spotted. AFAICT the only way this ever worked is if people had DRM_FBDEV_EMULATION, which is unset in your case.
Cc: <[email protected]> Reviewed-by: Emil Velikov <[email protected]> I suspect Laurent will pick this in due time. -Emil
