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fec0445caa
Now that the user can opt-out of implicit fencing, we need to give them back control over the fencing. We employ sync_file to wrap our drm_i915_gem_request and provide an fd that userspace can merge with other sync_file fds and pass back to the kernel to wait upon before future execution. Testcase: igt/gem_exec_fence Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Acked-by: Chad Versace <chadversary@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/20170127094008.27489-2-chris@chris-wilson.co.uk |
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| ipu-v3 | ||
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| Makefile | ||