User Ptr Support Proposed For AMD's Radeon DRM Driver
Written by Michael Larabel in AMD on 30 June 2014 at 02:29 PM EDT. 7 Comments
Christian K├Ânig has proposed user pointer support for the Radeon DRM driver to match the Intel driver's recent feature.

The user ptr support was initially spearheaded by Intel OTC developers and has landed in their open-source driver. The focus of this work is to allow turning a memory pointer supplied by user-space into a buffer object for the graphics driver. This user ptr support is useful for GPGPU/compute scenarios and other situations for feeding memory objects to the GPU.

Christian's proposed patch for adding user ptr support to the Radeon DRM driver can be found on the DRI development list. This feature for the open-source AMD Linux driver next has a chance of premiering with the Linux 3.17 kernel.

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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter or contacted via

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