| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.1 76/96] drm/virtio: move drm_connector_update_edid_property() call | Date | Mon, 8 Jul 2019 17:13:48 +0200 |
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From: Gerd Hoffmann <kraxel@redhat.com>
commit 41de4be6f6efa4132b29af51158cd672d93f2543 upstream.
drm_connector_update_edid_property can sleep, we must not call it while holding a spinlock. Move the callsite.
Fixes: b4b01b4995fb ("drm/virtio: add edid support") Reported-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Tested-by: Max Filippov <jcmvbkbc@gmail.com> Tested-by: Cornelia Huck <cohuck@redhat.com> Acked-by: Cornelia Huck <cohuck@redhat.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190405044602.2334-1-kraxel@redhat.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/gpu/drm/virtio/virtgpu_vq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -620,11 +620,11 @@ static void virtio_gpu_cmd_get_edid_cb(s output = vgdev->outputs + scanout; new_edid = drm_do_get_edid(&output->conn, virtio_get_edid_block, resp); + drm_connector_update_edid_property(&output->conn, new_edid); spin_lock(&vgdev->display_info_lock); old_edid = output->edid; output->edid = new_edid; - drm_connector_update_edid_property(&output->conn, output->edid); spin_unlock(&vgdev->display_info_lock); kfree(old_edid);
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