drm/ttm: Allow vm fault retries

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Make use of the FAULT_FLAG_ALLOW_RETRY flag to allow dropping the
mmap_sem while waiting for bo idle.

FAULT_FLAG_ALLOW_RETRY appears to be primarily designed for disk waits
but should work just as fine for GPU waits..

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>

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Thomas Hellstrom 2013-10-09 03:18:07 -07:00

parent 4695b03970

commit cbe12e74ee

1 changed files with 50 additions and 12 deletions

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drivers/gpu/drm/ttm/ttm_bo_vm.c

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