// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2015 Free Electrons
 * Copyright (C) 2015 NextThing Co
 *
 * Maxime Ripard <maxime.ripard@free-electrons.com>
 */

#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_blend.h>
#include <drm/drm_gem_framebuffer_helper.h>

#include "sun4i_drv.h"
#include "sun4i_framebuffer.h"

static int sun4i_de_atomic_check(struct drm_device *dev,
                                 struct drm_atomic_state *state)
{
        int ret;

        ret = drm_atomic_helper_check_modeset(dev, state);
        if (ret)
                return ret;

        ret = drm_atomic_normalize_zpos(dev, state);
        if (ret)
                return ret;

        return drm_atomic_helper_check_planes(dev, state);
}

static const struct drm_mode_config_funcs sun4i_de_mode_config_funcs = {
        .atomic_check           = sun4i_de_atomic_check,
        .atomic_commit          = drm_atomic_helper_commit,
        .fb_create              = drm_gem_fb_create,
};

static const struct drm_mode_config_helper_funcs sun4i_de_mode_config_helpers = {
        .atomic_commit_tail     = drm_atomic_helper_commit_tail_rpm,
};

void sun4i_framebuffer_init(struct drm_device *drm)
{
        drm_mode_config_reset(drm);

        drm->mode_config.max_width = 8192;
        drm->mode_config.max_height = 8192;

        drm->mode_config.funcs = &sun4i_de_mode_config_funcs;
        drm->mode_config.helper_private = &sun4i_de_mode_config_helpers;
}