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