OpenCloudOS-Kernel/drivers/gpu/drm/sun4i/sun4i_framebuffer.c

54 lines
1.4 KiB
C
Raw Normal View History

/*
* Copyright (C) 2015 Free Electrons
* Copyright (C) 2015 NextThing Co
*
* Maxime Ripard <maxime.ripard@free-electrons.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*/
#include <drm/drm_atomic_helper.h>
#include <drm/drm_fb_cma_helper.h>
#include <drm/drmP.h>
#include "sun4i_drv.h"
static void sun4i_de_output_poll_changed(struct drm_device *drm)
{
struct sun4i_drv *drv = drm->dev_private;
drm_fbdev_cma_hotplug_event(drv->fbdev);
}
static const struct drm_mode_config_funcs sun4i_de_mode_config_funcs = {
.output_poll_changed = sun4i_de_output_poll_changed,
.atomic_check = drm_atomic_helper_check,
.atomic_commit = drm_atomic_helper_commit,
.fb_create = drm_fb_cma_create,
};
struct drm_fbdev_cma *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;
return drm_fbdev_cma_init(drm, 32,
drm->mode_config.num_crtc,
drm->mode_config.num_connector);
}
void sun4i_framebuffer_free(struct drm_device *drm)
{
struct sun4i_drv *drv = drm->dev_private;
drm_fbdev_cma_fini(drv->fbdev);
drm_mode_config_cleanup(drm);
}