On Mon, Jul 09, 2018 at 05:48:18PM +0200, Arnd Bergmann wrote:
> Without this, we get link errors during randconfig build:
>
> drivers/gpu/drm/vkms/vkms_drv.o:(.rodata+0xa0): undefined reference to `drm_atomic_helper_check'
> drivers/gpu/drm/vkms/vkms_drv.o:(.rodata+0xa8): undefined reference to `drm_atomic_helper_commit'
> drivers/gpu/drm/vkms/vkms_plane.o:(.rodata+0x0): undefined reference to `drm_atomic_helper_update_plane'
> drivers/gpu/drm/vkms/vkms_plane.o:(.rodata+0x8): undefined reference to `drm_atomic_helper_disable_plane'
> drivers/gpu/drm/vkms/vkms_plane.o:(.rodata+0x18): undefined reference to `drm_atomic_helper_plane_reset'
> drivers/gpu/drm/vkms/vkms_plane.o:(.rodata+0x28): undefined reference to `drm_atomic_helper_plane_duplicate_state'
> drivers/gpu/drm/vkms/vkms_plane.o:(.rodata+0x30): undefined reference to `drm_atomic_helper_plane_destroy_state'
> drivers/gpu/drm/vkms/vkms_output.o:(.rodata+0x1c0): undefined reference to `drm_helper_probe_single_connector_modes'
> drivers/gpu/drm/vkms/vkms_crtc.o:(.rodata+0x40): undefined reference to `drm_atomic_helper_crtc_reset'
> drivers/gpu/drm/vkms/vkms_crtc.o:(.rodata+0x70): undefined reference to `drm_atomic_helper_set_config'
> drivers/gpu/drm/vkms/vkms_crtc.o:(.rodata+0x78): undefined reference to `drm_atomic_helper_page_flip'
> drivers/gpu/drm/vkms/vkms_crtc.o:(.rodata+0x90): undefined reference to `drm_atomic_helper_crtc_duplicate_state'
> drivers/gpu/drm/vkms/vkms_crtc.o:(.rodata+0x98): undefined reference to `drm_atomic_helper_crtc_destroy_state'
>
> Fixes: 854502fa0a38 ("drm/vkms: Add basic CRTC initialization")
> Fixes: 1c7c5fd916a0 ("drm/vkms: Introduce basic VKMS driver")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Oops. Thanks for your patch, applied.
-Daniel
> ---
> drivers/gpu/drm/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
> index 516a8f5d1ac6..e527772f5ca6 100644
> --- a/drivers/gpu/drm/Kconfig
> +++ b/drivers/gpu/drm/Kconfig
> @@ -214,6 +214,7 @@ config DRM_VGEM
> config DRM_VKMS
> tristate "Virtual KMS (EXPERIMENTAL)"
> depends on DRM
> + select DRM_KMS_HELPER
> default n
> help
> Virtual Kernel Mode-Setting (VKMS) is used for testing or for
> --
> 2.9.0
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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