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The Direct Rendering Manager (DRM) is a subsystem of the Linux kernel responsible for interfacing with GPUs of modern video cards.DRM exposes an API that user-space programs can use to send commands and data to the GPU and perform operations such as configuring the mode setting of the display.
Nvidia distributes proprietary device drivers for Tegra through OEMs and as part of its Linux for Tegra (formerly L4T) development kit. [49] Nvidia and a partner, Avionic Design, were working on submitting Grate (free and open-source drivers for Tegra) upstream of the mainline Linux kernel in April 2012.
In the middle: the FOSS stack, composed out of DRM & KMS driver, libDRM and Mesa 3D.Right side: Proprietary drivers: Kernel BLOB and User-space components. nouveau (/ n uː ˈ v oʊ /) is a free and open-source graphics device driver for Nvidia video cards and the Tegra family of SoCs written by independent software engineers, with minor help from Nvidia employees.
There are two graphics hardware drivers: one resides inside of the X display server.There have been several designs of this driver. The current one splits it in two portions: DIX (Device-Independent X) and DDX (Device-Dependent X) Glamor will simplify the X server, and libGL-fglrx-glx [needs update] could use the libDRM of the radeon open-source driver instead of the proprietary binary blob.
Knoppix booting on the framebuffer. The Linux framebuffer (fbdev) is a linux subsystem used to show graphics on a computer monitor, typically on the system console. [1]It was designed as a hardware-independent API to give user space software access to the framebuffer (the part of a computer's video memory containing a current video frame) using only the Linux kernel's own basic facilities and ...
Display Data Channel (DDC) is a collection of protocols for digital communication between a computer display and a graphics adapter that enable the display to communicate its supported display modes to the adapter and that enable the computer host to adjust monitor parameters, such as brightness and contrast.
cmus is a small and fast text-mode music player for Linux and many other Unix-like operating systems. DeaDBeeF (as in 0xDEADBEEF) is a modular audio player for Linux, *BSD, OpenSolaris, macOS, and other UNIX-like systems. JuK is a free software audio player for KDE, the default player since KDE 3.2. JuK supports collections of MP3, Ogg Vorbis ...
In the past the Linux kernel had an implicit fencing mechanism, where a fence is directly attached to a buffer (cf. GEM handles and FDs), but userspace is unaware of this. Explicit fencing exposes fences to userspace, where userspace gets fences from both the Direct Rendering Manager (DRM) subsystem and from the GPU.