1 /*
2  * Copyright (C) 2015 Free Electrons
3  * Copyright (C) 2015 NextThing Co
4  *
5  * Maxime Ripard <maxime.ripard@free-electrons.com>
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  */
12 
13 #include <drm/drm_atomic_helper.h>
14 #include <drm/drm_fb_cma_helper.h>
15 #include <drm/drmP.h>
16 
17 #include "sun4i_drv.h"
18 
19 static void sun4i_de_output_poll_changed(struct drm_device *drm)
20 {
21 	struct sun4i_drv *drv = drm->dev_private;
22 
23 	if (drv->fbdev)
24 		drm_fbdev_cma_hotplug_event(drv->fbdev);
25 }
26 
27 static const struct drm_mode_config_funcs sun4i_de_mode_config_funcs = {
28 	.output_poll_changed	= sun4i_de_output_poll_changed,
29 	.atomic_check		= drm_atomic_helper_check,
30 	.atomic_commit		= drm_atomic_helper_commit,
31 	.fb_create		= drm_fb_cma_create,
32 };
33 
34 struct drm_fbdev_cma *sun4i_framebuffer_init(struct drm_device *drm)
35 {
36 	drm_mode_config_reset(drm);
37 
38 	drm->mode_config.max_width = 8192;
39 	drm->mode_config.max_height = 8192;
40 
41 	drm->mode_config.funcs = &sun4i_de_mode_config_funcs;
42 
43 	return drm_fbdev_cma_init(drm, 32,
44 				  drm->mode_config.num_crtc,
45 				  drm->mode_config.num_connector);
46 }
47 
48 void sun4i_framebuffer_free(struct drm_device *drm)
49 {
50 	struct sun4i_drv *drv = drm->dev_private;
51 
52 	drm_fbdev_cma_fini(drv->fbdev);
53 	drm_mode_config_cleanup(drm);
54 }
55