linux-kernel - Re: [PATCH v1 1/1] drm/virtio: Support sync objects

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Date:   Sat, 25 Feb 2023 18:21:32 +0300
From:   Dmitry Osipenko <dmitry.osipenko@...labora.com>
To:     David Airlie <airlied@...hat.com>,
        Gerd Hoffmann <kraxel@...hat.com>,
        Gurchetan Singh <gurchetansingh@...omium.org>,
        Chia-I Wu <olvaffe@...il.com>, Daniel Vetter <daniel@...ll.ch>,
        Rob Clark <robdclark@...il.com>,
        Marek Olšák <maraeo@...il.com>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        kernel@...labora.com, virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH v1 1/1] drm/virtio: Support sync objects

On 1/19/23 03:41, Dmitry Osipenko wrote:
> +		ret = drm_syncobj_find_fence(file, syncobj_desc.handle,
> +					     syncobj_desc.point, 0, &in_fence);
> +		if (ret)
> +			break;
> +
> +		if (!dma_fence_match_context(in_fence, fence_ctx + ring_idx))
> +			ret = dma_fence_wait(in_fence, true);

I missed to add dma_fence_chain_contained(in_fence) here, otherwise the
match always fails for a chained fence.

-- 
Best regards,
Dmitry