tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright 2015 Freescale Semiconductor, Inc.
3 *
4 * Freescale DCU drm device driver
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 */
11
12#include <drm/drmP.h>
13#include <drm/drm_atomic_helper.h>
14#include <drm/drm_crtc_helper.h>
15#include <drm/drm_fb_cma_helper.h>
16#include <drm/drm_gem_framebuffer_helper.h>
17
18#include "fsl_dcu_drm_crtc.h"
19#include "fsl_dcu_drm_drv.h"
20
21static const struct drm_mode_config_funcs fsl_dcu_drm_mode_config_funcs = {
22 .atomic_check = drm_atomic_helper_check,
23 .atomic_commit = drm_atomic_helper_commit,
24 .fb_create = drm_gem_fb_create,
25};
26
27int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev)
28{
29 int ret;
30
31 drm_mode_config_init(fsl_dev->drm);
32
33 fsl_dev->drm->mode_config.min_width = 0;
34 fsl_dev->drm->mode_config.min_height = 0;
35 fsl_dev->drm->mode_config.max_width = 2031;
36 fsl_dev->drm->mode_config.max_height = 2047;
37 fsl_dev->drm->mode_config.funcs = &fsl_dcu_drm_mode_config_funcs;
38
39 ret = fsl_dcu_drm_crtc_create(fsl_dev);
40 if (ret)
41 goto err;
42
43 ret = fsl_dcu_drm_encoder_create(fsl_dev, &fsl_dev->crtc);
44 if (ret)
45 goto err;
46
47 ret = fsl_dcu_create_outputs(fsl_dev);
48 if (ret)
49 goto err;
50
51 drm_mode_config_reset(fsl_dev->drm);
52 drm_kms_helper_poll_init(fsl_dev->drm);
53
54 return 0;
55
56err:
57 drm_mode_config_cleanup(fsl_dev->drm);
58 return ret;
59}