Chris Wilson 8a2421bd0d drm/i915: Wait upon userptr get-user-pages within execbuffer ...

This simply hides the EAGAIN caused by userptr when userspace causes
resource contention. However, it is quite beneficial with highly
contended userptr users as we avoid repeating the setup costs and
kernel-user context switches.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>

2017-06-16 16:54:05 +01:00

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