On pe, 2017-02-17 at 18:35 +0000, Chris Wilson wrote:
> The code currently assumes that all fence arrays it sees are the normal
> signal-on-all variety, and decomposes the array into its individual
> fences so that it can extract the native i915 fences. If the fence array
> is using signal-on-any, we should not decompose as we must not wait on
> them all, just the first in *that* set.
>
> Signed-off-by: Chris Wilson <[email protected]>
> CC: Joonas Lahtinen <[email protected]>
> Cc: Tvrtko Ursulin <[email protected]>
<SNIP>
>
> @@ -696,7 +696,8 @@ i915_gem_request_await_dma_fence(struct
> drm_i915_gem_request *req,
> if (dma_fence_is_i915(fence))
> return i915_gem_request_await_request(req, to_request(fence));
>
> - if (!dma_fence_is_array(fence)) {
> + if (!dma_fence_is_array(fence) ||
> + test_bit(DMA_FENCE_ARRAY_SIGNAL_ANY, &fence->flags)) {
Smells like a helper function? While that helper is finding the way
upstream;
Reviewed-by: Joonas Lahtinen <[email protected]>
Regards, Joonas
--
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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