vmw_fops_read    1380 drivers/gpu/drm/vmwgfx/vmwgfx_drv.c 	.read = vmw_fops_read,
vmw_fops_read     871 drivers/gpu/drm/vmwgfx/vmwgfx_drv.h extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,