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Display Drivers

Cleaning Up The Linux Graphics Driver Stack

Yesterday Luc Verhaegen gave a talk at FOSDEM on reverse engineering a motherboard BIOS, but today we finally have X@FOSDEM for the last time. Luc has just begun his talk on unifying and simplifying the free software desktop's graphics driver stack. Here are his slides and we will be back with more updates and videos on Phoronix as the presentation progresses.
7 February 2010 - 47 Comments

Using NVIDIA's VDPAU On Mobile Platforms

We know that NVIDIA's Video Decode and Presentation API for Unix (VDPAU) works very well for exposing PureVideo capabilities on Linux. We have benchmarked VDPAU and found it to perform very well in that under Linux it's possible to play HD videos with a $20 CPU and $30 GPU thanks to this video acceleration method. VDPAU is the best video acceleration / decoding API on Linux and is widely adopted by various multimedia applications, which is all in contrast to AMD's XvBA and their troubled implementation. But how does VDPAU work on mobile devices? With the ASUS Eee PC 1201N that is built on NVIDIA's ION platform we ran a new set of VDPAU video playback tests.
6 January 2010 - 26 Comments

ATI Linux 2009 Year In Review

Compared to past years when recapping the AMD/ATI Linux advancements over the past calendar year, 2009 was not quite as exciting, which can be viewed as both good and bad for their Catalyst Linux driver. There were many advancements this year on AMD's open-source side, but in 2009 there wasn't as many milestones for their Catalyst driver like in the past with the introduction of CrossFire, OverDrive, same-day Linux support, the AMD Catalyst Control Center, and other new features. Here is our 2009 year in review look at AMD's advancements to their proprietary Catalyst Linux driver along with our annual benchmarks.
28 December 2009 - 18 Comments

VIA's Linux TODO List... Maybe Look Forward To 2011?

Nearly two years ago at the Linux Foundation Summit in Austin was VIA's most recent announcement about becoming serious with open-source support. This was not VIA's first time they claimed to back an open-source strategy, which led a number of open-source developers to immediately call VIA's open-source strategy a bluff. To date this still is mostly a bluff, but they have produced some fluff. In 2010 it looks like this will still be the case, but VIA hopes to produce some code by the second half of 2010. This code, however, will likely not appear in most Linux distributions until 2011.
22 December 2009 - 18 Comments

NVIDIA Linux 2009 Year In Review

Another annual tradition of ours besides running a Linux Graphics Survey is to provide a "year in review" analysis of the ATI and NVIDIA Linux drivers with their respective graphics driver releases from the past year in terms of both feature improvements and how their quantitative performance has changed. We have been doing these annual ATI and NVIDIA yearly reviews going back to 2005, but now it's time to share our thoughts and numbers for 2009. We are beginning with our NVIDIA Linux 2009 Year In Review.
20 December 2009 - 7 Comments

NVIDIA Anti-Aliasing, Linux & Lenvik

Recently via email we were asked to run a comparison of the different anti-aliasing and image rendering options between the ATI/AMD and NVIDIA Linux drivers and hardware. Well, we have now run a few quantitative and qualitative tests at different anti-aliasing levels under Linux. For those that want to run the tests themselves with their own drivers and hardware, we also have provided instructions on how you can easily do so using the Phoronix Test Suite 2.4 "Lenvik" development build -- it is irresistibly easy.
11 December 2009 - 8 Comments

2009 Linux Graphics Survey Results

For the month of November we ran the 2009 Linux Graphics Survey, which is a survey in regards to X.Org and the Linux graphics stack that we have been hosting annually for the past three years. This year there was 13,836 results submitted and we have now had the time to go over these results and are publishing all of the numbers today.
7 December 2009 - 15 Comments

The Cost Of ATI Kernel Mode-Setting On Fedora 12

One of the articles on Phoronix last week was entitled Intel Linux Graphics Shine With Fedora 12, which showed off the nice state of Intel graphics on this latest Red Hat release when it came to kernel mode-setting and its 3D stack with it working well "out of the box" and offering some nice performance gains over the earlier Fedora 10 and Fedora 11 releases. While the Intel stack may be improved in Constantine, the ATI support has taken a hit, as users were quick to point out in response to last week's article. In particular, when using the ATI kernel mode-setting driver in Fedora 12 (which is the default for pre-R600 hardware), there is a large performance discrepancy compared to using the traditional user-space mode-setting for ATI Radeon hardware. Today we are looking at what exactly the performance cost is for using ATI KMS in this new release.
25 November 2009 - 34 Comments

Intel Linux Graphics Shine With Fedora 12

Intel's Linux graphics driver stack is often at the forefront of X.Org / Mesa innovations, from Intel being the first driver having in-kernel video memory management to being the first driver with mainline kernel mode-setting support to even being the driver that often first receives support for new OpenGL extensions in Mesa. The Intel Linux driver stack can be attributed with many firsts, but continually pushing this driver while putting out quarterly timed releases has led to some pains. Earlier this year in fact the driver stack was rather buggy -- especially in Ubuntu 9.04 -- that impaired many users with stability issues, performance problems, and other headaches. Most of the regressions from overhauling the Linux driver stack have been resolved, but where is the driver stack at now? The Intel stack in Ubuntu 9.10 is performing rather well, but where it's more important is its status within Fedora as more of the bleeding-edge graphics packages are pulled into this release that often don't make it into other distributions until months later when they roll out their next releases. To see where the Intel Linux graphics are at in Fedora 12, we ran the same set of benchmarks in the Fedora 10, 11, and 12 releases with an Intel G43 IGP.
20 November 2009 - 33 Comments

AMD's UVD2-based XvBA Finally Does Something On Linux

For a year now we have been talking about XvBA, which stands for X-Video Bitstream Acceleration and is designed to implement AMD's Unified Video Decoder 2 (UVD2) engine on Linux systems for improving the video decoding and playback process on desktop systems. AMD has been shipping an XvBA library with their ATI Catalyst Linux driver since last year, but they have yet to release any documentation on the XvBA API or any patches to implement the support within any Linux media players. Heck, AMD has not even officially confirmed XvBA with Phoronix being the lone source of information for the past year. Today though, XvBA has finally become useful under Linux. But it is not what you may be thinking...
3 November 2009 - 1166 Comments

612 display drivers articles published on Phoronix.
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