Based on darktamas commit after I reported the issue
nvc0: Add open-source pgraph firmware microcode nvc0: Fix minor bugs and refactor the code of generating grctx
…_driver.pci_driver, but drm_pci_init() doesn't use it, and drm_pci_exit() doesn't even exist...
Conflicts: pscnv/Makefile pscnv/pscnv_engine.h
…ctx init, add nvc0_graph.h
Fixes lockups without apparent cause when uploading constants with the CB_DATA method.