drm/nouveau: fix a race condition in nouveau_dma_wait()

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Can be triggered easily on certain cards (NV46 and NV50 of mine) by
running "dmesg", the DRM's channel will lockup.

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

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Ben Skeggs 2010-01-15 12:08:57 +10:00

parent 12f735b79f

commit ba59953d28

1 changed files with 47 additions and 29 deletions

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76

drivers/gpu/drm/nouveau/nouveau_dma.c

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