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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Copyright (C) 2015 Free Electrons4 * Copyright (C) 2015 NextThing Co5 *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(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