13 Commits

Author SHA1 Message Date
Ben Skeggs
cde540211a drm/nouveau/fifo/gk104-: fix parsing of mmu fault data
Pascal was particularly incorrect, as the register changed to be more in the
same format as the MMU fault buffers are.

Shouldn't have impacted much more than confusing MMU fault log messages.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-08-23 12:55:32 +10:00
Ben Skeggs
f7cc47e436 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>
2018-12-11 15:37:48 +10:00
Ben Skeggs
fb80ad15f8 drm/nouveau/fifo/gk104-: group pbdma functions together
We're about to be adding more of them.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-12-11 15:37:48 +10:00
Ben Skeggs
334cc26d4d drm/nouveau/fifo/gp100-: force individual channels into a channel group
RM does this for some reason, and is enforced in HW on Volta.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18 15:01:22 +10:00
Ben Skeggs
eda12417d3 drm/nouveau/fifo/gm107-: write instance address in channel runlist entry
RM does this for some reason.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18 15:01:22 +10:00
Ben Skeggs
79bb4b617f drm/nouveau/fifo/gk208-: write pbdma timeout regs during initialisation
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18 15:01:22 +10:00
Ben Skeggs
8c4e9f9dff drm/nouveau/fifo/gk110-: support writing channel group runlist entries
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18 15:01:22 +10:00
Ben Skeggs
665870837a drm/nouveau/fifo/gk104-: add interfaces to support different runlist layouts
This will be required to support features on newer hardware.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18 15:01:21 +10:00
Ben Skeggs
f9360c3aa6 drm/nouveau/fifo/gk104-: simplify definition of channel classes
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18 15:01:21 +10:00
Ben Skeggs
ddc669e256 drm/nouveau/fifo/gk104-: allow fault recovery code to be called by other subdevs
This will be required to support Volta.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18 15:01:21 +10:00
Alexandre Courbot
af3a4f7efb drm/nouveau/fifo: add GP10B support
GP10B's FIFO is similar to GP100's, but only allows 512 channels.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-04-06 14:39:04 +10:00
Ben Skeggs
ec884f74f1 drm/nouveau/fifo/gf100-: recover from host mmu faults
This has been on the TODO list for a while now, recovering from things
such as attempting to execute a push buffer or touch a semaphore in an
unmapped memory area.

The only thing required on the HW side here is that the offending
channel is removed from the runlist, and *not* a full reset of PFIFO.

This used to be a bit messier to handle before the rework to make use
of engine topology info, but is apparently now trivial.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-12-13 11:38:51 +10:00
Ben Skeggs
e8ff979492 drm/nouveau/fifo/gp100: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00