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

Precise vBlank Timestamps For The Nouveau Driver

Nouveau

Published on 24 November 2011 01:01 AM EST
Written by Michael Larabel in Nouveau
2 Comments

One year after the Radeon and Intel drivers supported precise vblank timestamps, there's a new patch for enabling this support in the open-source NVIDIA (Nouveau) driver.

Precise vblank timestamps and counting is needed for DRI2 sync and swap extensions and GLX_OML_sync_control, among other purposes. See this article for when the precise vblank timestamp support originally came to the Linux DRM drivers.

Published to the Nouveau mailing list is now a patch that brings the Nouveau support up to par. "This patch implements the drivers hooks needed for precise vblank timestamping. This is a complementary patch to Mario Kleiner's patches to to improve swap scheduling. With the complete patchset applied nouveau will be able to provide correct and precise pageflip timestamps (compliant to OML_sync_control spec)."

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. AMD Radeon R9 290: Gallium3D vs. Catalyst Drivers
  2. AMD Radeon R9 290 Open-Source Driver Works, But Has A Ways To Go
  3. Trying The Configurable 45 Watt TDP With AMD's A10-7800 / A6-7400K
  4. Sumo's Omni Gets Reloaded
Latest Linux Articles
  1. 20-Way Radeon Comparison With Open-Source Graphics For Steam On Linux Gaming
  2. Preview: OS X 10.10 Yosemite vs. Ubuntu Linux GPU Performance
  3. Radeon Graphics Yield Mixed Results With Linux 3.17 Kernel
  4. AMD's RadeonSI Driver Sped Up A Lot This Summer
Latest Linux News
  1. PHP 5.6 Officially Released With New Debugger
  2. Re-Clocking Your NVIDIA GPU With Nouveau On Linux 3.17
  3. Radeon DRM Queues More Changes, RV6xx UVD For Linux 3.18
  4. Nouveau On Oibaf PPA Is Back To Running Well
  5. Metro 2033 Redux Will Hopefully Hit Linux Real Soon
  6. New Virtual Monitor Software Might End Up On Linux
  7. Company of Heroes 2 Might Be Coming Out For Linux
  8. NIR Still Being Discussed For Mesa, LLVM Gets Brought Up Again
  9. Plasma Active Is Mostly Ported To KDE Frameworks 5
  10. Google Chrome 37 Brings Many Security Fixes
Latest Forum Discussions
  1. Canonical Joined The Khronos Group To Help Mir/Wayland Drivers
  2. AMD Releases UVD Video Decode Support For R600 GPUs
  3. Best Radeon for a Power Mac G5?
  4. Updated and Optimized Ubuntu Free Graphics Drivers
  5. Announcing radeontop, a tool for viewing the GPU usage
  6. It's Now Possible To Play Netflix Natively On Linux Without Wine Plug-Ins
  7. [DB] BIOS - ACPI - data collecting
  8. Users defect to Linux as OpenBSD removes Lynx from base system