[Bug 109830] CPU iowait higher when run the GPU multi decoding threads

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109830

--- Comment #23 from Tvrtko Ursulin <tvrtko.ursulin at linux.intel.com> ---
I built the media-driver but the reproducer still doesn't work for me:

root at sc:~/bug109830/reproduce# vainfo
error: can't connect to X server!
libva info: VA-API version 1.5.0
libva info: va_getDriverName() returns 0
libva info: User requested driver 'iHD'
libva info: Trying to open /usr/local/lib/dri//iHD_drv_video.so
libva info: Found init function __vaDriverInit_1_5
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.5 (libva 2.2.0)
vainfo: Driver version: Intel iHD driver - 1.0.0
vainfo: Supported profile and entrypoints
      VAProfileNone                   : VAEntrypointVideoProc
      VAProfileNone                   : VAEntrypointStats
      VAProfileMPEG2Simple            : VAEntrypointVLD
      VAProfileMPEG2Simple            : VAEntrypointEncSlice
      VAProfileMPEG2Main              : VAEntrypointVLD
      VAProfileMPEG2Main              : VAEntrypointEncSlice
      VAProfileH264Main               : VAEntrypointVLD
      VAProfileH264Main               : VAEntrypointEncSlice
      VAProfileH264Main               : VAEntrypointFEI
      VAProfileH264Main               : VAEntrypointEncSliceLP
      VAProfileH264High               : VAEntrypointVLD
      VAProfileH264High               : VAEntrypointEncSlice
      VAProfileH264High               : VAEntrypointFEI
      VAProfileH264High               : VAEntrypointEncSliceLP
      VAProfileVC1Simple              : VAEntrypointVLD
      VAProfileVC1Main                : VAEntrypointVLD
      VAProfileVC1Advanced            : VAEntrypointVLD
      VAProfileJPEGBaseline           : VAEntrypointVLD
      VAProfileJPEGBaseline           : VAEntrypointEncPicture
      VAProfileH264ConstrainedBaseline: VAEntrypointVLD
      VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
      VAProfileH264ConstrainedBaseline: VAEntrypointFEI
      VAProfileH264ConstrainedBaseline: VAEntrypointEncSliceLP
      VAProfileVP8Version0_3          : VAEntrypointVLD
      VAProfileHEVCMain               : VAEntrypointVLD
      VAProfileHEVCMain               : VAEntrypointEncSlice
      VAProfileHEVCMain               : VAEntrypointFEI
root at sc:~/bug109830/reproduce# ./decode_video_avc.sh 

[ERROR], sts=MFX_ERR_UNSUPPORTED(-3), Init, m_mfxSession.Init failed at
/home/media/jenkins/workspace/MEDIA/DCG_MEDIA_DRIVER/PV5_BUILD_VPG_BASE/build_mss_pv5_external/build/WS/GENERIC/build_external/msdk/MediaSDK/samples/sample_decode/src/pipeline_decode.cpp:296

[ERROR], sts=MFX_ERR_UNSUPPORTED(-3), main, Pipeline.Init failed at
/home/media/jenkins/workspace/MEDIA/DCG_MEDIA_DRIVER/PV5_BUILD_VPG_BASE/build_mss_pv5_external/build/WS/GENERIC/build_external/msdk/MediaSDK/samples/sample_decode/src/sample_decode.cpp:666

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