vkms_set_crc_source  159 drivers/gpu/drm/vkms/vkms_crtc.c 	.set_crc_source		= vkms_set_crc_source,
vkms_set_crc_source  138 drivers/gpu/drm/vkms/vkms_drv.h int vkms_set_crc_source(struct drm_crtc *crtc, const char *src_name);