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drm/nouveau: wait for the exclusive fence after the shared ones v2
commit 67f7430 upstream. Always waiting for the exclusive fence resulted on some performance regressions. So try to wait for the shared fences first, then the exclusive fence should always be signaled already. v2: fix incorrectly placed "(", add some comment why we do this. Signed-off-by: Christian König <christian.koenig@amd.com> Tested-by: Stefan Fritsch <sf@sfritsch.de> Tested-by: Dan Moulding <dmoulding@me.com> Acked-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Christian König <christian.koenig@amd.com> Cc: <stable@vger.kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20211209102335.18321-1-christian.koenig@amd.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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