mirror of https://gitee.com/openkylin/linux.git
c004a90b72
After combining the dma-buf reservation object and the GEM reservation object, we lost the ability to do a nonblocking wait on the i915 request (as we blocked upon the reservation object during prepare_fb). We can instead convert the reservation object into a fence upon which we can asynchronously wait (including a forced timeout in case the DMA fence is never signaled). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20161028125858.23563-22-chris@chris-wilson.co.uk |
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