1. Computers
  2. Display Drivers
  3. Graphics Cards
  4. Memory
  5. Motherboards
  6. Processors
  7. Software
  8. Storage
  9. Operating Systems


Facebook RSS Twitter Twitter Google Plus


Phoronix Test Suite

OpenBenchmarking Benchmarking Platform
Phoromatic Test Orchestration

Samsung Works On More Upstream ARM Linux Kernel Support

Hardware

Published on 02 September 2011 08:23 AM EDT
Written by Michael Larabel in Hardware
Comment On This Article

It seems that Samsung is quite interested in pushing upstream Linux kernel support for their ARM-based Exynos 4210 SoC. Besides pushing an open-source DRM kernel graphics driver, they have been working on other areas of upstream Linux kernel support for this SoC that employs a dual-core Cortex A9.

Hitting the mailing list overnight (this time it's LM_Sensors) is the latest revision of a new driver that is for the Exynos 4-series TMU. This driver for the Samsung Exynos Thermal Management Unit (TMU) allows the SoC temperature to be exposed via conventional means with LM_Sensors. This work, like the Exynos 4210 DRM, was done officially by Samsung engineers.

Meanwhile, those on the graphics side continue hashing out plans for the Samsung Exynos 4210 kernel graphics driver. For those wondering why Samsung's Exynos may be the first ARM SoC with an open-source DRM driver in the mainline Linux kernel, while Qualcomm and Texas Instruments failed, David Airlie has an answer. As the maintainer of the DRM tree in the Linux kernel, he wrote on the Phoronix Forums, "The driver contains no userspace interfaces beyond standard KMS ones, you can't use to submit command streams to any hidden 3D piece etc. The Freescale iMX51 driver is off a similiar setup. Once they get to command submission things get back to the same place." So this Exynos driver doesn't do much, but at least it has kernel mode-setting. The Freescale DRM driver he mentions is this one.

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 .
Latest Articles & Reviews
  1. Ubuntu 15.04 Offers Faster OpenGL For AMD Radeon GPUs On Open-Source
  2. Ubuntu 15.04 Brings Some Graphics Performance Improvements For Intel Haswell
  3. Sub-$20 802.11n USB WiFi Adapter That's Linux Friendly
  4. The Lenovo T450s Is Working Beautifully With Linux
  5. Linux 4.0 SSD EXT4 / Btrfs / XFS / F2FS Benchmarks
  6. Linux 4.0 Hard Drive Comparison With Six File-Systems
Latest Linux News
  1. GCC 5.2 Will Come In Two To Three Months
  2. AMD FP3 Motherboard Ported To Coreboot
  3. The Difference In Optimizations Between NIR & GLSL
  4. OpenMandriva Lx 3 Alpha: Adds UEFI Support, Defaults To LXQt
  5. Systemd Kills Off Shutdownd
  6. There's Now More Than 1,100 Games On Steam For Linux
  7. Btrfs In Linux 4.1 Has Fixes For File-Systems Of 20 Terabytes & Up
  8. Microsoft's CoreCLR Now Works On FreeBSD
  9. Unigine 2.0 Beta 2 Brings PBR, SSR, Kinect 2 Support
  10. KDBUS Still Hasn't Been Pulled, Might Not Land For Linux 4.1
Most Viewed News This Week
  1. AMD Releases New "AMDGPU" Linux Kernel Driver & Mesa Support
  2. Ubuntu's Desktop-Next Switching From .DEBs To Snappy
  3. My Favorite Computer Desk Of The Past Decade For Less Than $100
  4. EXT4 In Linux 4.1 Adds File-System Level Encryption
  5. AMD Open-Sources "Addrlib" From Catalyst
  6. Library Operating System (LibOS) For Linux Still Being Pursued
  7. Debian 8.0 Jessie Is Ready For Release This Weekend
  8. Linux-Powered Endless Computer Raises $100k+ In A Few Days