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Display Drivers

Open-Source Radeon HD 6000 Series Still Borked

The first of the AMD Radeon HD 6000 "Northern Islands" graphics cards launched late last year, and while the open-source Linux driver support is technically there for those interested in this alternative to the proprietary Catalyst driver, the support is still largely broken. Here is a quick look.
25 June 2011 - 98 Comments

A Fresh Look At The Nouveau Gallium3D Performance

Last week we provided a fresh look at the AMD Radeon Gallium3D performance using the latest development code for the Linux 3.0 kernel and Mesa 7.11 library. Today we are now looking at the Gallium3D driver performance of the Nouveau driver that is reverse-engineered to support NVIDIA GeForce graphics processors.
16 June 2011 - 9 Comments

A Fresh Look At The AMD Radeon Gallium3D Performance

As noted earlier in the week, the open-source AMD Radeon "R600g" driver that supports 3D acceleration on Radeon HD 2000 series graphics cards through the latest Radeon HD 6000 and Fusion graphics processors, is becoming quite fit. The driver is nearing a point of stability, is mature enough for most desktop users, and it is beginning to receive some performance optimizations and other improvements. Thanks to this recent work, plus the ongoing development of the Linux 3.0 kernel, here is a fresh set of AMD Gallium3D Linux driver benchmarks.
10 June 2011 - 56 Comments

Radeon Gardenshed DRM + Gallium3D Benchmarks

It has been about a month since we last delivered ATI/AMD Radeon Linux benchmarks comparing the performance of the open-source driver against the high-performance proprietary driver. Since that point there's been various improvements to the Mesa/Gallium3D driver and there's also been the merge of the latest Radeon DRM code for the next kernel, which will likely be called the Linux 3.0 kernel, but in the DRM pull request was referred to as Gardenshed. Here are these benchmarks on several different Radeon graphics cards.
27 May 2011 - 34 Comments

A Historical Look At Intel Ironlake Graphics Performance

For the past five months when mentioning Intel graphics at Phoronix, it's been pretty much about their latest-generation Sandy Bridge hardware and most recently about their next-generation Ivy Bridge. The talk has either been about new hardware enablement, performance improvements, or bad regressions. In this article, we are going a generation back to look at how the Clarkdale/Arrandale-Ironlake graphics performance has evolved under Linux over the course of Ubuntu releases.
25 May 2011 - 3 Comments

Intel SNB Linux Driver Can Out Run Windows Driver

While last week we reported Intel Sandy Bridge graphics support is still troubling in Ubuntu 11.04 and also the support broke at the last minute in Linux 2.6.39, there's really good news to report this week from the Sandy Bridge Linux land. When using the very latest working Linux driver code, in many cases the OpenGL performance of this open-source driver stack is now faster than Intel's official Windows 7 driver.
23 May 2011 - 17 Comments

Open-Source AMD Fusion Driver Stabilizes

With the very latest open-source Linux driver code for the AMD Fusion E-350, the support is finally stable and comparable to that of other recent Radeon HD graphics processors with the open-source driver stack.
19 May 2011 - 32 Comments

Whoops, Intel SNB Is Borked At The Last Minute In Linux 2.6.39

This morning after writing Intel Sandy Bridge On Ubuntu 11.04 Is Still Troubling, I proceeded to build the latest Mesa / Linux kernel / libdrm / DDX Git stack to see where the latest Intel SNB code is at and how it's running for the popular Core i5 2500K processor. Before leaving three weeks ago, everything was running great, but to much surprise, this morning it was a broken mess. Intel just regressed hard in their Sandy Bridge support for the about-to-be-released Linux 2.6.39 kernel. Whoops!
18 May 2011 - 15 Comments

Intel Sandy Bridge On Ubuntu 11.04 Is Still Troubling

When Intel released their "Sandy Bridge" processors in early January with next-generation graphics, the Linux support was widely criticized as although they had been working on the open-source Linux driver for nearly one year at that time, it wasn't a pleasurable "out of the box" experience and building open-source graphics drivers on Linux can be a real pain. With Ubuntu 11.04, which was released at the end of April, this "Natty Narwhal" release still largely misses the Sandy Bridge support train.
18 May 2011 - 3 Comments

A Look At Nouveau Driver Power Usage

There's been many individuals asking how the work is going in tracking down the major Linux kernel power regression I brought to light late last month (actually, there's at least two power regressions in the kernel). Not much progress has been made since then as I've been out of the office (and country) so I've been preoccupied with other matters, but I do happen to have another power test today to satisfy other reader requests.
11 May 2011 - 8 Comments

613 display drivers articles published on Phoronix.
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