[Bug 71448] [UVD] qvdpautest is very slow on radeonsi (HD 7950)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71448

--- Comment #19 from darkbasic <darkbasic at linuxsystems.it> ---
Alex from the tests I did 3.13 doesn't seem to behave the way you described.

With power state set to "high", desktop effect OFF and no glxgears:
MPEG DECODING (1920x1080): 5 frames/s
MPEG DECODING (1280x720): 21 frames/s
H264 DECODING (1920x1080): 8 frames/s
H264 DECODING (1280x720): 5 frames/s

With power state set to "high", desktop effect OFF and glxgears:
MPEG DECODING (1920x1080): 77 frames/s
MPEG DECODING (1280x720): 117 frames/s
H264 DECODING (1920x1080): 16 frames/s
H264 DECODING (1280x720): 91 frames/s

With power state set to "high", desktop effect ON and glxgears:
MPEG DECODING (1920x1080): 77 frames/s
MPEG DECODING (1280x720): 117 frames/s
H264 DECODING (1920x1080): 51 frames/s
H264 DECODING (1280x720): 91 frames/s

It seems even glxgears wasn't able to keep highest power state in all tests:
enabling desktop effects was enough to keep higher state in the second-last
test.

What do you mean by "plain video playback"? If you mean without using vdpau it
works flawlessly.

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