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 	drm_fbdev_cma_hotplug_event(drv->fbdev);
24 }
25 
26 static const struct drm_mode_config_funcs sun4i_de_mode_config_funcs = {
27 	.output_poll_changed	= sun4i_de_output_poll_changed,
28 	.atomic_check		= drm_atomic_helper_check,
29 	.atomic_commit		= drm_atomic_helper_commit,
30 	.fb_create		= drm_fb_cma_create,
31 };
32 
33 struct drm_fbdev_cma *sun4i_framebuffer_init(struct drm_device *drm)
34 {
35 	drm_mode_config_reset(drm);
36 
37 	drm->mode_config.max_width = 8192;
38 	drm->mode_config.max_height = 8192;
39 
40 	drm->mode_config.funcs = &sun4i_de_mode_config_funcs;
41 
42 	return drm_fbdev_cma_init(drm, 32,
43 				  drm->mode_config.num_crtc,
44 				  drm->mode_config.num_connector);
45 }
46 
47 void sun4i_framebuffer_free(struct drm_device *drm)
48 {
49 	struct sun4i_drv *drv = drm->dev_private;
50 
51 	drm_fbdev_cma_fini(drv->fbdev);
52 	drm_mode_config_cleanup(drm);
53 }
54