4 * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
17 #include <drm/drm_crtc.h>
18 #include <drm/drm_encoder_slave.h>
22 static struct drm_encoder_funcs arcpgu_drm_encoder_funcs = {
23 .destroy = drm_encoder_cleanup,
26 int arcpgu_drm_hdmi_init(struct drm_device *drm, struct device_node *np)
28 struct drm_encoder *encoder;
29 struct drm_bridge *bridge;
33 encoder = devm_kzalloc(drm->dev, sizeof(*encoder), GFP_KERNEL);
37 /* Locate drm bridge from the hdmi encoder DT node */
38 bridge = of_drm_find_bridge(np);
42 encoder->possible_crtcs = 1;
43 encoder->possible_clones = 0;
44 ret = drm_encoder_init(drm, encoder, &arcpgu_drm_encoder_funcs,
45 DRM_MODE_ENCODER_TMDS, NULL);
49 /* Link drm_bridge to encoder */
50 bridge->encoder = encoder;
51 encoder->bridge = bridge;
53 ret = drm_bridge_attach(drm, bridge);
55 drm_encoder_cleanup(encoder);