1// SPDX-License-Identifier: GPL-2.0-or-later
 2/*
 3 * Copyright 2015 Freescale Semiconductor, Inc.
 4 *
 5 * Freescale DCU drm device driver
 6 */
 7
 8#include <drm/drm_atomic_helper.h>
 9#include <drm/drm_gem_framebuffer_helper.h>
10#include <drm/drm_probe_helper.h>
11
12#include "fsl_dcu_drm_crtc.h"
13#include "fsl_dcu_drm_drv.h"
14
15static const struct drm_mode_config_funcs fsl_dcu_drm_mode_config_funcs = {
16	.atomic_check = drm_atomic_helper_check,
17	.atomic_commit = drm_atomic_helper_commit,
18	.fb_create = drm_gem_fb_create,
19};
20
21int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev)
22{
23	int ret;
24
25	drm_mode_config_init(fsl_dev->drm);
26
27	fsl_dev->drm->mode_config.min_width = 0;
28	fsl_dev->drm->mode_config.min_height = 0;
29	fsl_dev->drm->mode_config.max_width = 2031;
30	fsl_dev->drm->mode_config.max_height = 2047;
31	fsl_dev->drm->mode_config.funcs = &fsl_dcu_drm_mode_config_funcs;
32
33	ret = fsl_dcu_drm_crtc_create(fsl_dev);
34	if (ret)
35		goto err;
36
37	ret = fsl_dcu_drm_encoder_create(fsl_dev, &fsl_dev->crtc);
38	if (ret)
39		goto err;
40
41	ret = fsl_dcu_create_outputs(fsl_dev);
42	if (ret)
43		goto err;
44
45	drm_mode_config_reset(fsl_dev->drm);
46	drm_kms_helper_poll_init(fsl_dev->drm);
47
48	return 0;
49
50err:
51	drm_mode_config_cleanup(fsl_dev->drm);
52	return ret;
53}