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.org

Intel's Linux DRM Driver Plans For 2013

Intel

Published on 07 February 2013 06:19 AM EST
Written by Michael Larabel in Intel
5 Comments

Daniel Vetter of Intel's Open-Source Technology Center talked this weekend about recent and future improvements being worked on for the company's open-source DRM graphics kernel driver.

Talking at FOSDEM 2013 during the X.Org development track last weekend in Brussels, Vetter talked about some of the improvements and changes made to the Intel Direct Rendering Manager (DRM) component over the last year and some of what's left ahead.

The Phoronix recording of the Intel DRM wrangler talking about the work is embedded below while up before that are some of the highlights.

- The i915 DRM has good reputation for regressions and problems, but in the past year 500~600 known bugs have been fixed while there's still around 150 open bug reports. Good bug reporting has improved this.

- Recently there's been new Intel mode-setting code with simplified DPMS support, mode-set driven sequence driven by the CRTC, output state staging, and Haswell DisplayPort support. DRM helpers are also now in a good state.

- There's also been EDID improvements with hot-plug support still being somewhat of a mess.

- Some of the future Intel Linux mode-setting work will involve atomic mode-setting and Fastboot.

- Some of the GEM (Graphics Execution Manager) highlights talked about were lots of little tuning, hardware context support, cacheability control (largely for SNA in the xf86-video-intel DDX). Stream-out support also ushers in the forthcoming OpenGL Geometry Shaders support.

- In the Linux 3.9 kernel will be a no-reloc optimization that for some workloads may yield a few percent gain.

- Some other future GEM work includes real per-process address spaces (for Ivy Bridge and newer), user pointer support, and more fine-grained locking (per-object locks). DMA_BUF support for fences and reservations is also outstanding for mainline.

- It was during this talk that Daniel shared the head count for Intel OTC graphics for the number of developers Intel has working on this open-source driver.

The overall summary during the presentation came down to the kernel driver of Intel's Linux graphics stack having fewer bugs, improved mode-setting infrastructure, Fastboot and atomic mode-setting are coming, GEM memory management continues to be tuned, and big changes concerning the DMA_BUF buffer sharing infrastructure are ahead.

Vetter has also posted his FOSDEM 2013 presentation slides to his blog.

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 Linux Hardware Reviews
  1. A Walkthrough Of The New 32 System Open-Source Linux Benchmarking Test Farm
  2. Habey MITX-6771: Mini-ITX Board With Quad-Core J1900 Bay Trail
  3. OCZ Vector 150 SSD On Linux
  4. Noctua i4 CPU Cooler: Great For Cooling High-End LGA-2011v3 CPUs
Latest Linux Articles
  1. AMD Kaveri: Open-Source Radeon Gallium3D vs. Catalyst 14.12 Omega Driver
  2. 12-Way AMD Catalyst 14.12 vs. NVIDIA 346 Series Linux GPU Comparison
  3. AMD Catalyst 14.12 Omega Driver Brings Mixed Results For Linux Users
  4. 6-Way Winter 2014 Linux Distribution Comparison
Latest Linux News
  1. Civilization: Beyond Earth Linux GPU/Driver Benchmarks
  2. X.Org Server 1.16.3 Released To Fix Security Issues
  3. Linux 3.19 Merge Window Closes Ahead Of Schedule
  4. MIPS R6 Architecture Now Supported By GCC
  5. LowRISC To Feature Tagged Memory & Minion Cores
  6. Intel Skylake Audio Support For Linux 3.19
  7. After 10+ Years, NetworkManager Reaches v1.0
  8. VDPAU Updated To v0.9
  9. An Open Hardware Random Number Generator Proposed
  10. LLVM 3.6 Will Be Branched Next Month
Latest Forum Discussions
  1. Are there an app using HSA ?
  2. Need some hand holding with upgrading xserver
  3. The New SuperTuxKart Looks Better, But Can Cause GPU/Driver Problems
  4. XLennart: A Game For Systemd Haters With Nothing Better To Do
  5. Updated and Optimized Ubuntu Free Graphics Drivers
  6. Debian init discussion in Phoenix Wright format
  7. FPS capped on Linux (AMD fglrx drivers)
  8. Bench specific mount point