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Open-Source Linux Driver Support For 4K Monitors

Hardware

Published on 08 September 2013 08:50 PM EDT
Written by Michael Larabel in Hardware
14 Comments

While 4K resolution monitors are still extremely expensive, there's growing curiosity over support for 4K monitors by the open-source Linux graphics drivers.

Recent graphics cards like the AMD Radeon HD 6000/7000 and NVIDIA GeForce GTX 600 series support 4K resolution outputs, but several Phoronix readers in recent weeks have written in (or tweeted) to ask about 4K Linux hardware support. I don't have a clear answer since presently there's no 4K monitor in our lab for testing with different GPUs/drivers, but recently there was a 4K monitor/driver discussion thread launched in our forums.

AMD's Alex Deucher responded about the open-source Radeon driver that if using DisplayPort it should work on the Radeon HD 6000 series or HDMI and DisplayPort connections on the Radeon HD 7000 series GPUs (or the Trinity APU too). The necessary DRM patches for properly dealing with 4K monitor modes were just merged into the Linux 3.12 kernel.

The binary AMD and NVIDIA graphics drivers meanwhile should support 4K monitors and their native resolutions too if using supported hardware. I haven't seen any commits for the Nouveau DRM pertaining to 4K modes (will update though if I hear differently) but for Intel hardware I believe there is also 4K monitor support in their latest DRM code.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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