1// SPDX-License-Identifier: GPL-2.0-or-later
 2/*
 3 * Copyright (C) 2015 Free Electrons
 4 * Copyright (C) 2015 NextThing Co
 5 *
 6 * Maxime Ripard <maxime.ripard@free-electrons.com>
 
 
 
 
 
 7 */
 8
 9#include <drm/drm_atomic.h>
10#include <drm/drm_atomic_helper.h>
11#include <drm/drm_blend.h>
12#include <drm/drm_gem_framebuffer_helper.h>
13
14#include "sun4i_drv.h"
15#include "sun4i_framebuffer.h"
16
17static int sun4i_de_atomic_check(struct drm_device *dev,
18				 struct drm_atomic_state *state)
19{
20	int ret;
21
22	ret = drm_atomic_helper_check_modeset(dev, state);
23	if (ret)
24		return ret;
25
26	ret = drm_atomic_normalize_zpos(dev, state);
27	if (ret)
28		return ret;
29
30	return drm_atomic_helper_check_planes(dev, state);
31}
32
33static const struct drm_mode_config_funcs sun4i_de_mode_config_funcs = {
34	.atomic_check		= sun4i_de_atomic_check,
 
35	.atomic_commit		= drm_atomic_helper_commit,
36	.fb_create		= drm_gem_fb_create,
37};
38
39static const struct drm_mode_config_helper_funcs sun4i_de_mode_config_helpers = {
40	.atomic_commit_tail	= drm_atomic_helper_commit_tail_rpm,
41};
42
43void sun4i_framebuffer_init(struct drm_device *drm)
44{
45	drm_mode_config_reset(drm);
46
47	drm->mode_config.max_width = 8192;
48	drm->mode_config.max_height = 8192;
49
50	drm->mode_config.funcs = &sun4i_de_mode_config_funcs;
51	drm->mode_config.helper_private = &sun4i_de_mode_config_helpers;
 
 
 
 
 
 
 
 
 
 
 
52}

 
 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#include "sun4i_framebuffer.h"
19
20static void sun4i_de_output_poll_changed(struct drm_device *drm)
 
21{
22	struct sun4i_drv *drv = drm->dev_private;
 
 
 
 
 
 
 
 
23
24	drm_fbdev_cma_hotplug_event(drv->fbdev);
25}
26
27static 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
34struct 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
48void 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}