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/drm_gem_framebuffer_helper.h>
16 #include <drm/drmP.h>
17 
18 #include "sun4i_drv.h"
19 #include "sun4i_framebuffer.h"
20 
21 static void sun4i_de_output_poll_changed(struct drm_device *drm)
22 {
23 	struct sun4i_drv *drv = drm->dev_private;
24 
25 	drm_fbdev_cma_hotplug_event(drv->fbdev);
26 }
27 
28 static const struct drm_mode_config_funcs sun4i_de_mode_config_funcs = {
29 	.output_poll_changed	= sun4i_de_output_poll_changed,
30 	.atomic_check		= drm_atomic_helper_check,
31 	.atomic_commit		= drm_atomic_helper_commit,
32 	.fb_create		= drm_gem_fb_create,
33 };
34 
35 struct drm_fbdev_cma *sun4i_framebuffer_init(struct drm_device *drm)
36 {
37 	drm_mode_config_reset(drm);
38 
39 	drm->mode_config.max_width = 8192;
40 	drm->mode_config.max_height = 8192;
41 
42 	drm->mode_config.funcs = &sun4i_de_mode_config_funcs;
43 
44 	return drm_fbdev_cma_init(drm, 32, 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 }
53