PowerVR

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Overview

PowerVR is a line of GPU by Imagination Technologies. It has zero Free Software/Open Source support right now, and the associated development effort seems to be regarded as very high. Imagination has hinted they were considering addressssing the problem[1] but today the position seem to be still open[2]

It is regarded as more powerful than the Mali400 GPU found in other SoCs (needs ref).

A Free Software driver for PowerVR is considered as a high priority project by the FSF[3] and a project has indeed been setup[4].

Imagination Technologies published a linux driver for their binary microkernel under a dual license: MIT & GPL v2. [5]


Allwinner SoC with a PowerVR GPU:

SOC PowerVR GPU Revision
A31 SGX544 or SGX544MP2 1.1.5
A83T SGX544MP1 1.1.5
A80 G6230  ?

References

  1. http://www.cnx-software.com/2015/06/18/open-source-linux-drivers-for-powervr-gpus-might-be-in-the-works/ CNX blog entry
  2. https://careers.imgtec.com/#/vacancy/details/2619 Open position at Imagination Technologies
  3. http://www.fsf.org/campaigns/priority.html High Priority Free Software Projects
  4. http://powervr.gnu.org.ve/doku.php Collecting information about the PowerVR architecture
  5. https://github.com/LeMaker/linux-actions/tree/linux-3.10.y/drivers/gpu/pvr LeMaker Integrated it into their 3.10.y kernel

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