Finally, we will test our graphics driver by loading it into the kernel and rendering a graphics primitive using a user-space graphics application.
The Linux graphics subsystem is a critical component of the Linux operating system, responsible for rendering graphics on a wide range of devices. The graphics subsystem consists of several layers, including the kernel-mode graphics driver, the Direct Rendering Manager (DRM), and user-space graphics libraries such as Mesa and X.org. Understanding the Linux graphics subsystem is essential for developing graphics-intensive applications, as well as for contributing to the development of the Linux operating system itself. Hands On Projects For The Linux Graphics Subsystem
To start, we need to understand the basics of DRM, including its architecture and APIs. Finally, we will test our graphics driver by
module_init(simple_driver_init); module_exit(simple_driver_exit); including the kernel-mode graphics driver