radeon_disable_vblank_kms  125 drivers/gpu/drm/radeon/radeon_drv.c void radeon_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
radeon_disable_vblank_kms  628 drivers/gpu/drm/radeon/radeon_drv.c 	.disable_vblank = radeon_disable_vblank_kms,