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_fb_cma_helper.h>
10#include <drm/drm_gem_framebuffer_helper.h>
11#include <drm/drm_probe_helper.h>
12
13#include "fsl_dcu_drm_crtc.h"
14#include "fsl_dcu_drm_drv.h"
15
16static const struct drm_mode_config_funcs fsl_dcu_drm_mode_config_funcs = {
17	.atomic_check = drm_atomic_helper_check,
18	.atomic_commit = drm_atomic_helper_commit,
19	.fb_create = drm_gem_fb_create,
20};
21
22int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev)
23{
24	int ret;
25
26	drm_mode_config_init(fsl_dev->drm);
27
28	fsl_dev->drm->mode_config.min_width = 0;
29	fsl_dev->drm->mode_config.min_height = 0;
30	fsl_dev->drm->mode_config.max_width = 2031;
31	fsl_dev->drm->mode_config.max_height = 2047;
32	fsl_dev->drm->mode_config.funcs = &fsl_dcu_drm_mode_config_funcs;
33
34	ret = fsl_dcu_drm_crtc_create(fsl_dev);
35	if (ret)
36		goto err;
37
38	ret = fsl_dcu_drm_encoder_create(fsl_dev, &fsl_dev->crtc);
39	if (ret)
40		goto err;
41
42	ret = fsl_dcu_create_outputs(fsl_dev);
43	if (ret)
44		goto err;
45
46	drm_mode_config_reset(fsl_dev->drm);
47	drm_kms_helper_poll_init(fsl_dev->drm);
48
49	return 0;
50
51err:
52	drm_mode_config_cleanup(fsl_dev->drm);
53	return ret;
54}