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Display Drivers

AMD's Open-Source Radeon Driver After Four Years

While the BFS scheduler is getting ready to celebrate its second birthday, in just three weeks AMD's open-source Radeon graphics driver strategy for Linux will be turning four years old. It was on the 6th of September in 2007 that I exclusively broke the news to the world on AMD's open-source strategy, which has ended up being a game-changer in the Linux world. AMD continues to support open-source hardware enablement on their latest graphics processors and recently even hired more developers to work on the code and documentation. How far have they come though in four years?
17 August 2011 - 36 Comments

Nouveau GeForce 400/500 Fermi On Linux 3.1

Besides boosting the Intel Sandy Bridge performance, the Linux 3.1 kernel is also great for open-source graphics in that it has improved support for NVIDIA GeForce 400/500 "Fermi" graphics cards via the reverse-engineered Nouveau driver. The Linux kernel has already supported kernel mode-setting for these GPUs and then more recently there was 2D/X-Video acceleration as well as 3D acceleration when paired with the Nouveau Gallium3D "NVC0" driver. The accelerated support though has required manually extracting the graphics processor's microcode after the GPU was initialized by the proprietary driver. With the Linux 3.1 kernel, Nouveau can generate its own "FUC" microcode to circumvent this problem. In other words, there is now "out of the box" open-source support for NVIDIA GeForce 400/500 graphics cards.
5 August 2011 - 11 Comments

Intel Sandy Bridge Speeds Up On Linux 3.1 Kernel

Last week the DRM pull went in for the Linux 3.1 kernel. For the Intel DRM graphics driver in the Linux kernel there is frame-buffer compression clean-ups, high color support, ring frequency scaling, shared LLC support, and hang-check module disabling. Compared to the Linux 3.0 kernel, the driver improvements significantly boost the open-source graphics performance for Intel Sandy Bridge hardware.
3 August 2011 - 16 Comments

Mesa 7.11 Brings Much-Needed Linux Graphics Driver Improvements

After a short delay, Mesa 7.11 has been released. This is the user-space library for providing OpenGL support under Linux for the open-source Intel, ATI/AMD, and NVIDIA drivers, among other hardware and software-based drivers. The Mesa 7.11 release also offers updates to the Gallium3D driver architecture. Here is some of what you can expect to find on Mesa 7.11.
1 August 2011 - 4 Comments

July 2011 Open-Source Graphics Driver Comparison

Following last week's benchmarks of Intel's New Sandy Bridge Acceleration architecture with the very latest open-source driver code, it was decided to throw a few NVIDIA and ATI/AMD graphics cards into the mix to see where the open-source driver performance is comparatively at for some other hardware. This article presents these Linux graphics results for eight configurations.
22 July 2011 - 11 Comments

Testing Out Mesa's GLSL-To-TGSI Translator

Being merged into the mainline Mesa tree once Mesa 7.11 has been released is the GLSL-To-TGSI translator. This allows core Mesa to translate directly from GLSL IR to TGSI, rather than stepping through the crufty Mesa IR, before reaching the Gallium3D hardware drivers. It's more efficient this way -- leading to possible performance improvements -- and it's also a stepping-stone in bringing GL Shading Language 1.30 support, which is required for OpenGL 3.0 compatibility.
21 July 2011 - 26 Comments

AMD Radeon HD 6000 Gallium3D Attempts To Compete With Catalyst

Open-source code supporting the AMD Radeon HD 6000 "Northern Islands" GPU hardware has been available since January, but only in the past few days has this Linux code matured to the point of being stable and useful for testing. In this article are our first benchmarks of the AMD Northern Islands and Cayman graphics processors using the open-source Mesa Gallium3D driver and comparing its performance to AMD's proprietary Catalyst driver.
14 July 2011 - 68 Comments

Windows 7 vs. Linux w/ Sandy Bridge New Acceleration Architecture

The new benchmarks going out today on Phoronix are looking at the performance of Intel's Sandy Bridge graphics with the latest Microsoft Windows 7 and Ubuntu Linux drivers. Not only are we using the very latest drivers, but there is also a separate Linux test run with SNA, the "Sandy Bridge New Acceleration" architecture enabled.
13 July 2011 - 9 Comments

Intel's Gallium3D Driver After Google's Work

As noted last week on Phoronix, Google has Chromium OS engineers making improvements to Intel's Gallium3D driver even though this open-source Linux driver isn't officially supported by Intel Corp. Google's interested in shipping the Intel Gallium3D driver on their Chromium OS netbooks in order to take advantage of the Low-Level Virtual Machine (LLVM) and other Gallium3D features to make up for the netbook's lack of vertex shader hardware. How does this community-maintained Intel 3D driver now compare performance-wise to Intel's official classic Mesa driver? Here is a fresh set of benchmarks from the latest Mesa Git code over the US holiday weekend.
7 July 2011 - 23 Comments

Nouveau Driver Power Management Against The NVIDIA Blob

Following last week's completion of the Radeon driver power management tests against the AMD Catalyst driver, now it is time to turn the tables on NVIDIA. In this article are some power consumption and thermal tests when comparing the latest open-source "Nouveau" driver code against NVIDIA's closed-source proprietary driver.
6 July 2011 - 14 Comments

644 display drivers articles published on Phoronix.
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