linux-kernel - Re: [PATCH v7 3/3] drm/fence: add out-fences support

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Message-ID: <20161108153649.GB26065@e106950-lin.cambridge.arm.com>
Date:   Tue, 8 Nov 2016 15:36:49 +0000
From:   Brian Starkey <brian.starkey@....com>
To:     Gustavo Padovan <gustavo@...ovan.org>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Daniel Stone <daniels@...labora.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Rob Clark <robdclark@...il.com>,
        Greg Hackmann <ghackmann@...gle.com>,
        John Harrison <John.C.Harrison@...el.com>,
        laurent.pinchart@...asonboard.com, seanpaul@...gle.com,
        marcheu@...gle.com, m.chehab@...sung.com,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Gustavo Padovan <gustavo.padovan@...labora.co.uk>
Subject: Re: [PATCH v7 3/3] drm/fence: add out-fences support

On Tue, Nov 08, 2016 at 03:54:50PM +0900, Gustavo Padovan wrote:
>From: Gustavo Padovan <gustavo.padovan@...labora.co.uk>
>
>+static struct dma_fence *get_crtc_fence(struct drm_crtc *crtc,
>+					struct drm_crtc_state *crtc_state)
>+{
>+	struct dma_fence *fence;
>+
>+	fence = kzalloc(sizeof(*fence), GFP_KERNEL);
>+	if (!fence)
>+		return NULL;
>+
>+	dma_fence_init(fence, &drm_crtc_fence_ops, &crtc->fence_lock,
>+		       crtc->fence_context, ++crtc->fence_seqno);
>+
>+	return fence;
>+}
>+

crtc_state is unused in this function.

-Brian