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9 Commits

Author SHA1 Message Date
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