hwc2: Do not allow FastPath during Concurrent Writeback setup

SDM needs to register for Virtual Display, setup the modes for
Writeback configuration and topology for Concurrent Writeback path.
Hence, do not allow SDM FastPath feature in first CWB draw-cycle.

CRs-Fixed: 2407405
Change-Id: I2d2cd0cfecb28b8bbd3154d0ae8abc4b34d962f1
2 files changed