drm/nve4/graph: do not crash if no power device present

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Detect and workaround the absence of a power device so chips that do not
feature one (e.g. GK20A) can still use this driver.

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

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Alexandre Courbot 2014-07-15 10:36:11 +09:00 • committed by Ben Skeggs

parent ec1afbf4e1

commit 25856c0b04

1 changed files with 2 additions and 1 deletions

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drivers/gpu/drm/nouveau/core/engine/graph/nve4.c

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