This was caused by a silent merge conflict, and is now fixed.
Regards, Joonas
Quoting kbuild test robot (2019-05-07 13:53:48)
> tree: git://anongit.freedesktop.org/drm/drm-tip drm-tip
> head: 73db4ec12f05160528884c0b2c845b1c6b7c6718
> commit: b9a2acf7709f52c77dc752ec99e3873e392d8df6 [5/8] Merge remote-tracking branch 'drm-intel/drm-intel-next-queued' into drm-tip
> config: x86_64-rhel (attached as .config)
> compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
> reproduce:
> git checkout b9a2acf7709f52c77dc752ec99e3873e392d8df6
> # save the attached .config to linux build tree
> make ARCH=x86_64
>
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@xxxxxxxxx>
>
> All errors (new ones prefixed by >>):
>
> >> drivers/gpu/drm/i915/i915_request.c:827:1: error: redefinition of 'i915_request_await_start'
> i915_request_await_start(struct i915_request *rq, struct i915_request *signal)
> ^~~~~~~~~~~~~~~~~~~~~~~~
> drivers/gpu/drm/i915/i915_request.c:794:1: note: previous definition of 'i915_request_await_start' was here
> i915_request_await_start(struct i915_request *rq, struct i915_request *signal)
> ^~~~~~~~~~~~~~~~~~~~~~~~
> drivers/gpu/drm/i915/i915_request.c:794:1: warning: 'i915_request_await_start' defined but not used [-Wunused-function]
>
> vim +/i915_request_await_start +827 drivers/gpu/drm/i915/i915_request.c
>
> ca6e56f65 drivers/gpu/drm/i915/i915_request.c Chris Wilson 2019-05-04 825
> a2bc4695b drivers/gpu/drm/i915/i915_gem_request.c Chris Wilson 2016-09-09 826 static int
> e766fde65 drivers/gpu/drm/i915/i915_request.c Chris Wilson 2019-05-01 @827 i915_request_await_start(struct i915_request *rq, struct i915_request *signal)
> e766fde65 drivers/gpu/drm/i915/i915_request.c Chris Wilson 2019-05-01 828 {
> e766fde65 drivers/gpu/drm/i915/i915_request.c Chris Wilson 2019-05-01 829 if (list_is_first(&signal->ring_link, &signal->ring->request_list))
> e766fde65 drivers/gpu/drm/i915/i915_request.c Chris Wilson 2019-05-01 830 return 0;
> e766fde65 drivers/gpu/drm/i915/i915_request.c Chris Wilson 2019-05-01 831
> e766fde65 drivers/gpu/drm/i915/i915_request.c Chris Wilson 2019-05-01 832 signal = list_prev_entry(signal, ring_link);
> e766fde65 drivers/gpu/drm/i915/i915_request.c Chris Wilson 2019-05-01 833 if (i915_timeline_sync_is_later(rq->timeline, &signal->fence))
> e766fde65 drivers/gpu/drm/i915/i915_request.c Chris Wilson 2019-05-01 834 return 0;
> e766fde65 drivers/gpu/drm/i915/i915_request.c Chris Wilson 2019-05-01 835
> e766fde65 drivers/gpu/drm/i915/i915_request.c Chris Wilson 2019-05-01 836 return i915_sw_fence_await_dma_fence(&rq->submit,
> e766fde65 drivers/gpu/drm/i915/i915_request.c Chris Wilson 2019-05-01 837 &signal->fence, 0,
> e766fde65 drivers/gpu/drm/i915/i915_request.c Chris Wilson 2019-05-01 838 I915_FENCE_GFP);
> e766fde65 drivers/gpu/drm/i915/i915_request.c Chris Wilson 2019-05-01 839 }
> e766fde65 drivers/gpu/drm/i915/i915_request.c Chris Wilson 2019-05-01 840
>
> :::::: The code at line 827 was first introduced by commit
> :::::: e766fde6511e2be83acbca1d603035e08de23f3b drm/i915: Delay semaphore submission until the start of the signaler
>
> :::::: TO: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> :::::: CC: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
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