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13 commits

Author SHA1 Message Date
Ben Skeggs
b59d810a47 drm/nouveau/fault/tu102: switch to explicit intr handlers
- reads vectors from HW, rather than being hardcoded
- removes hacks to support routing via old interfaces

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
2022-11-09 10:44:36 +10:00
Ben Skeggs
55520832d6 drm/nouveau/fault: switch non-replayable faults to nvkm_event_ntfy
v2: fix flush_work() being called uninitialised during init

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
2022-11-09 10:44:27 +10:00
Ben Skeggs
0196cc65f9 drm/nouveau/device: remove pwrsrc notify in favour of a direct call to clk
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2022-07-13 13:56:04 +10:00
Ben Skeggs
77689f1b6b drm/nouveau/fault: switch to instanced constructor
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
2021-02-11 11:49:52 +10:00
Thierry Reding
0ac7facb70 drm/nouveau/fault: Add support for GP10B
There is no BAR2 on GP10B and there is no need to map through BAR2
because all memory is shared between the GPU and the CPU. Add a custom
implementation of the fault sub-device that uses nvkm_memory_addr()
instead of nvkm_memory_bar2() to return the address of a pinned fault
buffer.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2020-01-15 10:49:58 +10:00
Ben Skeggs
13e9572906 drm/nouveau/fault/gp100: expose MaxwellFaultBufferA
This nvclass exposes the replayable fault buffer, which will be used
by SVM to manage GPU page faults.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-02-20 09:00:00 +10:00
Ben Skeggs
954f97983c drm/nouveau/fault/tu102: rename implementation from tu104
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-02-20 08:59:58 +10:00
Ben Skeggs
17fb2807c6 drm/nouveau/fault/tu104: initial support
New registers.

Currently uncertain how exactly to mask fault buffer interrupts.  This will
likely be corrected at around the same time as the new MC interrupt stuff
has been properly figured out and implemented.

For the moment, it shouldn't matter too much.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-12-11 15:37:54 +10:00
Ben Skeggs
8b811951c6 drm/nouveau/fault/gv100: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18 15:01:38 +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
Ben Skeggs
d0e9351e42 drm/nouveau/fault/gp100: implement replayable fault buffer initialisation
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18 15:01:20 +10:00
Ben Skeggs
36780d7eee drm/nouveau/fault: add infrastructure to support fault buffers
GPU-specific support will be added separately.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18 15:01:20 +10:00
Ben Skeggs
1ce466894b drm/nouveau/core: define FAULT subdev
This will be responsible for the handling of MMU fault buffers on GPUs
that support them.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-05-18 15:01:20 +10:00