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Display Drivers

NVIDIA GeForce 400 "Fermi" Series On Nouveau

With NVIDIA still not providing any open-source support or technical documentation for their graphics processors, for those in the open-source community who seek to use their GeForce 400/500 "Fermi" GPUs without NVIDIA's binary driver, they are left to use the reverse-engineered, community-created Nouveau driver. Fortunately, the support for the NVIDIA Fermi GPUs is coming along at a respectable pace -- with even working OpenGL acceleration -- considering that NVIDIA is providing no support at all. In this article are the first benchmarks of this experimental GeForce 400/500 "Nouveau NVC0" driver versus NVIDIA's official proprietary driver.
29 March 2011 - 14 Comments

Nouveau's OpenGL Performance Approaches The NVIDIA Driver

As I began to share over the weekend, the community-created Nouveau driver that's open-source and is written by clean-room reverse-engineering the NVIDIA binary display driver, has reached a serious milestone. For low-end NVIDIA GPUs, the Nouveau driver based upon the Mesa Gallium3D architecture is now as fast, or even faster, than NVIDIA's official proprietary driver.
21 March 2011 - 94 Comments

Intel Graphics Get A Boost With Linux 2.6.38, Mesa 7.11

Earlier this week I talked about the direction of ATI Radeon graphics in Ubuntu 11.04, which is quite positive with there being measurable 3D performance improvements in the latest open-source driver code, after a week prior talking about a massive Intel Sandy Bridge performance fix that is able to now put the open-source Linux performance closer to being on-par with Intel's Windows OpenGL driver. How though is the performance of Intel's previous-generator Clarkdale/Arrandale graphics looking? Quite good too. Here are some quick benchmarks.
12 March 2011 - 27 Comments

The Direction Of ATI Radeon Graphics In Ubuntu 11.04

With Ubuntu 11.04 arriving in a little more than a month, the key packages to be found in this "Natty Narwhal" release are nearly settled. For those concerned about the open-source ATI graphics stack, the packages to note are the Linux 2.6.38 kernel, Mesa 7.10.1, and xf86-video-ati 6.14.0. What does this mean for the conventional user? This article provides a brief look at the state of open-source ATI in Ubuntu 11.04.
8 March 2011 - 24 Comments

Intel Sandy Bridge VA-API Performance

There have been a number of Intel Sandy Bridge articles on Phoronix since the January launch of this next-generation Intel CPU micro-architecture. It's ranged from the Linux support being challenging to dealing with motherboard problems and then the graphics performance being fast relative to previous generations of Intel graphics and for being based upon the classic Mesa driver architecture, but much slower than Windows. Last week then the Sandy Bridge Linux performance became much more interesting after a simple patch led to a huge performance win to the point that the open-source Linux driver performance is much closer to their full-featured Microsoft Windows driver. What is the next chapter in the Intel Sandy Bridge Linux story? A look at the VA-API video acceleration playback performance.
7 March 2011 - 48 Comments

A 13 Line Patch That Boosts Intel Sandy Bridge Performance

After some initial Linux troubles, last month we finally got Intel Sandy Bridge graphics working under Linux. The latest Intel CPUs (such as the Core i5 2500K) with integrated graphics are blazingly fast, and the classic Intel Mesa driver was fast compared to other open-source Mesa / Gallium3D drivers, but it still was a ways behind the low-end discrete graphics cards with the proprietary AMD / NVIDIA drivers for Linux. It was also shown that the Intel Linux Mesa driver is much slower than the Intel Windows driver for Sandy Bridge, as we had also found was the case for previous generations of Intel graphics. Committed to the Mesa mainline Git repository this week though was a very important Sandy Bridge change. While the commit only touched 13 lines of code (11 lines of new code, 2 lines of changed code), it has dramatically improved the Sandy Bridge Linux performance as our results show in this article.
4 March 2011 - 25 Comments

Intel Gallium3D Graphics Driver Performance

While Intel remains to be the only major graphics vendor standing strong behind their classic Mesa driver on Linux for open-source support rather than drawing up plans to move to the Gallium3D driver architecture, there is actually available a Gallium3D driver available for Intel hardware. This Intel Gallium3D driver has been around since close to Gallium3D's inception, but it targets the older generations of Intel IGPs and was developed by VMware as a proof of concept. The driver is incomplete, but our testing shows that for those with Intel 945 netbooks and other hardware, the "i915g" driver is usable. In this article are benchmarks showing how this Intel Gallium3D driver compares to Intel's officially supported classic Mesa DRI driver.
26 February 2011 - 11 Comments

Has AMD Finally Fixed Tearing With Its Linux Driver?

AMD put out a rare beta Linux driver this Monday and they have now just announced the release of the Catalyst 11.1 driver as their stable monthly update for Linux and Windows users. With this Catalyst driver, there is though one interesting but hidden feature that is sure to please many ATI/AMD Radeon Linux desktop users.
26 January 2011 - 73 Comments

Another Look At The Latest Nouveau Gallium3D Driver

Earlier this month I reported on good and bad news for the Nouveau Gallium3D driver with the good news being that for the hardware that played well with this reverse-engineered open-source driver, the OpenGL performance was not too bad in most instances compared to NVIDIA's official proprietary driver. There still is quite a difference in performance between the two NVIDIA Linux drivers, but it is a usable experience in a number of cases and is not too bad for Nouveau being a community-driven driver. However, the bad news was that non-GeForce 8 hardware had regressed to being non-functioning. Since that article, however, using code that is some more recent I have the GeForce 9 and GeForce 200 acceleration working again. The current code though leaves a lot to be desired.
21 January 2011 - 148 Comments

Further Testing Shows More Hope For ATI Gallium3D

A week ago I reported on the open-source ATI driver becoming a lot faster thanks to the KMS page-flipping support finally landing in the mainline Linux kernel and xf86-video-ati driver, tiling improvements, and lots of work going into the R300g/R600g Gallium3D drivers. The open-source ATI Gallium3D is not conclusively faster than the proprietary Catalyst driver is, but it's becoming a much more competitive race. In last week's article an ATI Mobility Radeon GPU was used to illustrate these improvements, but in this follow-up article are the Linux benchmark results for three discrete Radeon graphics cards using the stock Ubuntu 10.10 open-source ATI driver, the last R500-supported Catalyst Linux driver, and then the latest open-source driver bits from the Linux 2.6.38 kernel.
19 January 2011 - 59 Comments

645 display drivers articles published on Phoronix.
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