drm/nouveau/fifo/gf100-: recover from host mmu faults

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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>

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This commit is contained in:

Ben Skeggs 2016-12-09 17:13:08 +10:00

parent a8f6cb7bb3

commit ec884f74f1

4 changed files with 29 additions and 28 deletions

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3

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c

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16

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c

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16

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm107.c

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22

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp100.c

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