drm/nouveau/fifo/gm200-: read pbdma count more directly

The trick we used (and still use for older GPUs) doesn't work on Turing.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2018-12-11 14:50:02 +10:00
commit f7cc47e436
8 changed files with 36 additions and 8 deletions