[Bug]: VC1 decode corruption on TGL

[smp79]

Which component impacted?

Decode

Is it regression? Good in old configuration?

No, this issue exist a long time

What happened?

I noticed this pixelation issue is some scenes. Sample of the problematic VC1 video here.

What's the usage scenario when you are seeing the problem?

Playback

What impacted?

No response

Debug Information

media-driver is current master

lspci -nn |grep -Ei 'VGA|DISPLAY' 00:02.0 VGA compatible controller [0300]: Intel Corporation Tiger Lake-LP GT2 [UHD Graphics G4 [8086:9a78] (rev 01)

Do you want to contribute a patch to fix the issue?

None