xref: /linux/drivers/gpu/drm/sun4i/sun4i_framebuffer.c (revision 570f7e331f5febb30f1384817463c7e42b65ca7d)
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 const struct drm_mode_config_funcs sun4i_de_mode_config_funcs = {
18 	.atomic_check		= drm_atomic_helper_check,
19 	.atomic_commit		= drm_atomic_helper_commit,
20 	.fb_create		= drm_gem_fb_create,
21 };
22 
23 static const struct drm_mode_config_helper_funcs sun4i_de_mode_config_helpers = {
24 	.atomic_commit_tail	= drm_atomic_helper_commit_tail_rpm,
25 };
26 
27 void sun4i_framebuffer_init(struct drm_device *drm)
28 {
29 	drm_mode_config_reset(drm);
30 
31 	drm->mode_config.max_width = 8192;
32 	drm->mode_config.max_height = 8192;
33 	drm->mode_config.normalize_zpos = true;
34 
35 	drm->mode_config.funcs = &sun4i_de_mode_config_funcs;
36 	drm->mode_config.helper_private = &sun4i_de_mode_config_helpers;
37 }
38