| Priority | medium |
|---|---|
| Bug ID | 63714 |
| Assignee | dri-devel@lists.freedesktop.org |
| Summary | UVD acceleration does not properly detect kernel support |
| Severity | normal |
| Classification | Unclassified |
| OS | Linux (All) |
| Reporter | ryszardzonk@yahoo.com |
| Hardware | x86-64 (AMD64) |
| Status | NEW |
| Version | git |
| Component | Drivers/Gallium/r600 |
| Product | Mesa |
Created attachment 78220 [details] [review] udv_fix.patch Hardware: AMD E-350 00:01.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Wrestler [Radeon HD 6310] 1) Kernel 3.9.0-rc7 + uvd v3 patches (Gentoo self compiled) 2) Libdrm-2.4.44 3) Mesa master git: e87015f5089a2c4a99e0288e1adeeabb5a7ca7e3 4) Xorg-server-1.13.4 5) ddx: xf86-video-ati git: 6e74aacc5e5da3b51744153dad1645caa6ea4ce3 I have been able to use UVD acceleration when it first appeared using mesa v2 of UVD code, but from the time it has been introduced in the mesa mainline with v5 it does not work anymore. I believe it has to do with mesa not properly detecting kernel support "[ 1.638460] [drm] UVD initialized successfully." and reverting to the vdpau support in shaders. Could it be that it requires some kernel option I am missing? As I have been trying to find exact reason I revered some changes that has been introduced in mesa after v2 and it works again. I am not sure if all of those are needed or which change in particular by itself would be enough but any way it gets it working again so it is in there somewhere
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