drm/nouveau/falcon: delay construction of falcons to oneinit()

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Reading registers at device construction time can be harmful, as there
is no guarantee the underlying engine will be up, or in its runtime
configuration. Defer register reading to the oneinit() hook and update
users accordingly.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

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Alexandre Courbot 2017-02-22 20:48:30 +09:00 • committed by Ben Skeggs

parent 65d9376b74

commit 9e4397579f

4 changed files with 32 additions and 16 deletions

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6

drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h

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29

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

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3

drivers/gpu/drm/nouveau/nvkm/falcon/base.c

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10

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c

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