53 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0-or-later
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| /*
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|  * Copyright (C) 2015 Free Electrons
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|  * Copyright (C) 2015 NextThing Co
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|  *
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|  * Maxime Ripard <maxime.ripard@free-electrons.com>
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|  */
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| 
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| #include <drm/drm_atomic.h>
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| #include <drm/drm_atomic_helper.h>
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| #include <drm/drm_blend.h>
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| #include <drm/drm_gem_framebuffer_helper.h>
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| 
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| #include "sun4i_drv.h"
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| #include "sun4i_framebuffer.h"
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| 
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| static int sun4i_de_atomic_check(struct drm_device *dev,
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| 				 struct drm_atomic_state *state)
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| {
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| 	int ret;
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| 
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| 	ret = drm_atomic_helper_check_modeset(dev, state);
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| 	if (ret)
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| 		return ret;
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| 
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| 	ret = drm_atomic_normalize_zpos(dev, state);
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| 	if (ret)
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| 		return ret;
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| 
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| 	return drm_atomic_helper_check_planes(dev, state);
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| }
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| 
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| static const struct drm_mode_config_funcs sun4i_de_mode_config_funcs = {
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| 	.atomic_check		= sun4i_de_atomic_check,
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| 	.atomic_commit		= drm_atomic_helper_commit,
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| 	.fb_create		= drm_gem_fb_create,
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| };
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| 
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| static const struct drm_mode_config_helper_funcs sun4i_de_mode_config_helpers = {
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| 	.atomic_commit_tail	= drm_atomic_helper_commit_tail_rpm,
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| };
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| 
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| void sun4i_framebuffer_init(struct drm_device *drm)
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| {
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| 	drm_mode_config_reset(drm);
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| 
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| 	drm->mode_config.max_width = 8192;
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| 	drm->mode_config.max_height = 8192;
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| 
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| 	drm->mode_config.funcs = &sun4i_de_mode_config_funcs;
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| 	drm->mode_config.helper_private = &sun4i_de_mode_config_helpers;
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| }
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