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
3968d6920b
drm/nouveau/fault: add explicit control over fault buffer interrupts
...
The GPU will continually fire interrupts while a fault buffer GET != PUT,
and to stop the spurious interrupts while the handler does its thing, we
were disabling the fault buffer temporarily.
This is not actually a great idea to begin with, and made worse by Volta
resetting GET/PUT when it's reactivated. So, let's not do that.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-12-11 15:37:46 +10:00
Ben Skeggs
809724560f
drm/nouveau/fault: store get/put pri address in nvkm_fault_buffer
...
Will allow more shared fault buffer handling code between Pascal/Volta.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-12-11 15:37:46 +10:00
Ben Skeggs
4d326469d9
drm/nouveau/fault: remove manual mapping of fault buffers into BAR2
...
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-12-11 15:37:46 +10:00
Ben Skeggs
60cda66572
drm/nouveau/fault/gv100: fix fault buffer initialisation
...
Not sure how this happened, it worked last time I tested it!
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-07-16 18:06:28 +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
