The return code of dma_fence_signal() is not really useful as there is nothing reasonable to do if a fence was already signaled. That return code shall be removed from the kernel.
Ignore dma_fence_signal()'s return code.
Suggested-by: Christian König christian.koenig@amd.com Signed-off-by: Philipp Stanner phasta@kernel.org --- drivers/gpu/drm/xe/xe_hw_fence.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_hw_fence.c b/drivers/gpu/drm/xe/xe_hw_fence.c index b2a0c46dfcd4..959b30dde724 100644 --- a/drivers/gpu/drm/xe/xe_hw_fence.c +++ b/drivers/gpu/drm/xe/xe_hw_fence.c @@ -85,7 +85,6 @@ void xe_hw_fence_irq_finish(struct xe_hw_fence_irq *irq) { struct xe_hw_fence *fence, *next; unsigned long flags; - int err; bool tmp;
if (XE_WARN_ON(!list_empty(&irq->pending))) { @@ -93,9 +92,9 @@ void xe_hw_fence_irq_finish(struct xe_hw_fence_irq *irq) spin_lock_irqsave(&irq->lock, flags); list_for_each_entry_safe(fence, next, &irq->pending, irq_link) { list_del_init(&fence->irq_link); - err = dma_fence_signal_locked(&fence->dma); + XE_WARN_ON(dma_fence_test_signaled_flag(&fence->dma)); + dma_fence_signal_locked(&fence->dma); dma_fence_put(&fence->dma); - XE_WARN_ON(err); } spin_unlock_irqrestore(&irq->lock, flags); dma_fence_end_signalling(tmp);