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 sun4i_de_atomic_check(struct drm_device * dev,struct drm_atomic_state * state)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 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 sun4i_framebuffer_init(struct drm_device * drm)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 } 53