On Mon, Apr 10, 2017 at 06:44:14PM -0700, Eric Anholt wrote:
> This is needed for proper synchronization with display on another DRM
> device (pl111 or tinydrm) with buffers produced by vc4 V3D. Fixes the
> new igt vc4_dmabuf_poll testcase, and rendering of one of the glmark2
> desktop tests on pl111+vc4.
>
> This doesn't yet introduce waits on other device's fences before vc4's
> rendering/display, because I don't have testcases for them.
>
> Signed-off-by: Eric Anholt <e...@anholt.net>
> Cc: Gustavo Padovan <gustavo.pado...@collabora.com>
> ---
> +static void vc4_fence_release(struct dma_fence *fence)
> +{
> + struct vc4_fence *f = to_vc4_fence(fence);
> +
> + kfree_rcu(f, base.rcu);
> +}
Unless you have a plan to do more here, looks like you can just use
the default dma_fence_free as the release callback.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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