On Sun, Feb 12, 2017 at 09:53:43PM +0000, Chris Wilson wrote:
> The i915_gem_object_wait_fence() uses an incoming timeout=0 to query
> whether the current fence is busy or idle, without waiting. This can be
> used by the wait-ioctl to implement a busy query.
>
> Fixes: e95433c73a11 ("drm/i915: Rearrange i915_wait_request() accounting with callers")
> Testcase: igt/gem_wait/basic-busy-write-all
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Matthew Auld <matthew.william.auld@xxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: <drm-intel-fixes@xxxxxxxxxxxxxxxxxxxxx> # v4.10-rc1+
> Cc: stable@xxxxxxxxxxxxxxx
Pushed this patch with Joonas' IRC r-b. Thanks,
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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