vmw_enable_vblank 1393 drivers/gpu/drm/vmwgfx/vmwgfx_drv.c .enable_vblank = vmw_enable_vblank, vmw_enable_vblank 1089 drivers/gpu/drm/vmwgfx/vmwgfx_drv.h int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe);