d3d12: Fix Map/Unmap of YUV resources and H264 Decode
What does this MR do and why?
Fixes two bugs in the d3d12 gallium driver uncovered by two changes in the VA-API frontend !24361 (merged) and !24390 (merged)
CC @gdevi
Fixes two bugs in the d3d12 gallium driver uncovered by two changes in the VA-API frontend !24361 (merged) and !24390 (merged)
CC @gdevi