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(dev: 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, crtc: &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(dev: fsl_dev->drm);
46 drm_kms_helper_poll_init(dev: fsl_dev->drm);
47
48 return 0;
49
50err:
51 drm_mode_config_cleanup(dev: fsl_dev->drm);
52 return ret;
53}
54

source code of linux/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_kms.c