On Mon, Nov 23, 2015 at 03:08:53PM -0800, Alex Goins wrote:
> In intel_prepare_plane_fb, if fb is backed by dma-buf, wait for exclusive
> fence
>
> v2: First commit
> v3: Remove object_name_lock acquire
> Move wait from intel_atomic_commit() to intel_prepare_plane_fb()
> v4: Wait only on exclusive fences, interruptible with no timeout
> v5: Style tweaks to more closely match rest of file
> v6: Properly handle interrupted waits
>
> Signed-off-by: Alex Goins <agoins@xxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_display.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index bacf336..604186b 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -13347,6 +13347,17 @@ intel_prepare_plane_fb(struct drm_plane *plane,
> if (!obj)
> return 0;
>
> + /* For framebuffer backed by dmabuf, wait for fence */
> + if (obj->base.dma_buf) {
> + ret = reservation_object_wait_timeout_rcu(obj->base.dma_buf->resv,
> + false, true,
> + MAX_SCHEDULE_TIMEOUT);
> + if (ret == -ERESTARTSYS)
> + return ret;
> +
> + WARN_ON(ret < 0);
> + }
> +
> mutex_lock(&dev->struct_mutex);
>
> if (plane->type == DRM_PLANE_TYPE_CURSOR &&
> --
> 1.9.1
>
>
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This disclaimer here pretty much tells me this isn't for public
consumption and I can't merge this patch ... Would be good if you can make
the final submission without this. Easiest way is usually to send the
patches out over your private mail account (but with git author and sob
still @nvidia.com).
Thanks, Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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