[FFmpeg-vaapi][ICL][hevc 444 10bit decode] GPU hang.

[fulinjie]

Run with ffmpeg patch applied, otherwise it will fallback to software decode path and decode successfully in software decoder. (Patch will be attached next)
CMDline:
ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -y -i ./GENERAL_10b_444_RExt_Sony_2.bit -vframes 30 444.yuv -v debug
Error Info:
[AVHWFramesContext @ 0x7f1890037df0] Map surface 0x18.
[hevc @ 0x55c4f9c1c1d0] nal_unit_type: 34(PPS), nuh_layer_id: 0, temporal_id: 0
[hevc @ 0x55c4f9c1c1d0] nal_unit_type: 21(CRA_NUT), nuh_layer_id: 0, temporal_id: 0
[hevc @ 0x55c4f9c1c1d0] nal_unit_type: 40(SEI_SUFFIX), nuh_layer_id: 0, temporal_id: 0
[hevc @ 0x55c4f9c1c1d0] Decoding PPS
[hevc @ 0x55c4f9c1c1d0] Output frame with POC 1.
[hevc @ 0x55c4f9c1c1d0] Param buffer (type 0, 604 bytes) is 0x1.
[hevc @ 0x55c4f9c1c1d0] Decoding SEI
[hevc @ 0x55c4f9c1c1d0] Slice 0 param buffer (264 bytes) is 0.
[hevc @ 0x55c4f9c1c1d0] Slice 0 data buffer (42045 bytes) is 0x3.
[hevc @ 0x55c4f9c1c1d0] Decode to surface 0x4a.
[AVHWFramesContext @ 0x7f1890037df0] Unmap surface 0x18.
[AVHWFramesContext @ 0x7f189409bcb0] Map surface 0x30.
[AVHWFramesContext @ 0x7f189409bcb0] Unmap surface 0x30.
[AVHWFramesContext @ 0x7f189409bcb0] Map surface 0x31.
[AVHWFramesContext @ 0x7f189409bcb0] Unmap surface 0x31.
[AVHWFramesContext @ 0x7f189c072530] Map surface 0x49.
[AVHWFramesContext @ 0x7f189c072530] Failed to sync surface 0x49: 23 (internal decoding error).
[hevc @ 0x55c4f9bd6e50] Failed to transfer data to output frame: -5.
Error while processing the decoded data for stream #0:0
[AVIOContext @ 0x55c4f9b9c390] Statistics: 0 seeks, 24 writeouts
[AVIOContext @ 0x55c4f9ba2c60] Statistics: 510412 bytes read, 0 seek

dmesg:
[540543.727065] i915 0000:00:02.0: Resetting vcs0 for hang on vcs0
[540549.700437] i915 0000:00:02.0: Resetting vcs0 for hang on vcs0

[fulinjie]

Closed and thanks.
intel-media-ci/ffmpeg#41