This was thought to be per-channel initially - it's not. The backing
pages for the VMM mappings are shared for all channels.
- switches to more straight-forward patch interfaces
- prepares for sub-context support
- this is saving a *sizeable* amount of vram
v2:
- whitespace
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
The algorithm for GM200 and newer matches RM for all the boards I have, but
I don't have enough data to try and figure something out for earlier boards,
so these will still write zeroes to the table as we did before.
The code in NVGPU isn't helpful here, it appears to handle specific cases.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
