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 | |
17 | static 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 | |
33 | static 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 | |
39 | static const struct drm_mode_config_helper_funcs sun4i_de_mode_config_helpers = { |
40 | .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm, |
41 | }; |
42 | |
43 | void 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 |