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(dev: 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}
53

source code of linux/drivers/gpu/drm/sun4i/sun4i_framebuffer.c