| Priority | medium |
|---|---|
| Bug ID | 70146 |
| Assignee | dri-devel@lists.freedesktop.org |
| Summary | UVD performance regression on linux-3.12-rc |
| Severity | normal |
| Classification | Unclassified |
| OS | All |
| Reporter | johannes.hirte@fem.tu-ilmenau.de |
| Hardware | Other |
| Status | NEW |
| Version | DRI CVS |
| Component | DRM/Radeon |
| Product | DRI |
When playing h.264 videos with UVD support, the video is sluggish and mplayer shows the "Your system is too SLOW to play this!" message after a few seconds. git bisect points me to: ce3537d57196dfc7094755532e1ffc1af133ca5f is the first bad commit commit ce3537d57196dfc7094755532e1ffc1af133ca5f Author: Alex Deucher <alexander.deucher@amd.com> Date: Wed Jul 24 12:12:49 2013 -0400 drm/radeon/dpm: use multiple UVD power states (v3) Use the UVD handle information to determine which which power states to select when using UVD. For example, decoding a single SD stream requires much lower clocks than multiple HD streams. v2: switch to a cleaner dpm/uvd interface v3: change the uvd power state while streams are active if need be Signed-off-by: Alex Deucher <alexander.deucher@amd.com> :040000 040000 d8c5afc839fccfe228d8880817bee5b2a35d0578 af38b8261405bd4212f856499520a50476b50b43 M drivers GPU is a Mobility Radeon HD5470
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