..
> diff --git a/drivers/gpu/host1x/fence.c b/drivers/gpu/host1x/fence.c
> new file mode 100644
> index ..2b0bb97f053f
> --- /dev/null
> +++ b/drivers/gpu/host1x/fence.c
> @@ -0,0 +1,184 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Syncpoint dma_fence implementation
> +
Add an implementation of dma_fences based on syncpoints. Syncpoint
interrupts are used to signal fences. Additionally, after
software signaling has been enabled, a 30 second timeout is started.
If the syncpoint threshold is not reached within this period,
the fence is signalled with an -ETIMEDOUT
