drm/nv50: prevent (IB_PUT == IB_GET) for occurring unless idle

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Should fix a DMA race condition I've never seen myself, but could be
the culprit in some random hangs that have been reported.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

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Ben Skeggs 2010-09-30 09:09:42 +10:00

parent cd2fb2e9e0

commit 62841ab726

1 changed files with 1 additions and 1 deletions

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drivers/gpu/drm/nouveau/nouveau_dma.c

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