Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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.h>
14#include <drm/drm_atomic_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
21static int sun4i_de_atomic_check(struct drm_device *dev,
22 struct drm_atomic_state *state)
23{
24 int ret;
25
26 ret = drm_atomic_helper_check_modeset(dev, state);
27 if (ret)
28 return ret;
29
30 ret = drm_atomic_normalize_zpos(dev, state);
31 if (ret)
32 return ret;
33
34 return drm_atomic_helper_check_planes(dev, state);
35}
36
37static const struct drm_mode_config_funcs sun4i_de_mode_config_funcs = {
38 .atomic_check = sun4i_de_atomic_check,
39 .atomic_commit = drm_atomic_helper_commit,
40 .fb_create = drm_gem_fb_create,
41};
42
43static struct drm_mode_config_helper_funcs sun4i_de_mode_config_helpers = {
44 .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm,
45};
46
47void sun4i_framebuffer_init(struct drm_device *drm)
48{
49 drm_mode_config_reset(drm);
50
51 drm->mode_config.max_width = 8192;
52 drm->mode_config.max_height = 8192;
53
54 drm->mode_config.funcs = &sun4i_de_mode_config_funcs;
55 drm->mode_config.helper_private = &sun4i_de_mode_config_helpers;
56}