https://bugs.freedesktop.org/show_bug.cgi?id=81579
Christian K?nig <deathsimple at vodafone.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |NOTABUG
--- Comment #7 from Christian K?nig <deathsimple at vodafone.de> ---
>[ 1.093019] == power state 2 ==
>[ 1.093019] ui class: none
>[ 1.093020] internal class: uvd
>[ 1.093021] caps: video
>[ 1.093022] uvd vclk: 48000 dclk: 38000
>[ 1.093023] power level 0 sclk: 50000 mclk: 80000 vddc:
>1000
>[ 1.093024] power level 1 sclk: 50000 mclk: 80000 vddc:
>1000
>[ 1.093025] power level 2 sclk: 50000 mclk: 80000 vddc:
>1000
The power table indeed has only a single UVD performance level and that doesn't
looks like it is suitable for handling two 1080p streams at the same time.
You need at least a vclk of 533Mhz and a dclk of 400Mhz for that. You can try
to hack into the kernel and overclock the UVD block, but I don't advise to do
so. OEMs usually have a good reason for limiting the clocks to a lower level.
Anyway that's clearly not a driver bug, cause the kernel does what it is
supposed to do.
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