We need to double-buffer LUTs to handle their update atomically. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
		
			
				
	
	
		
			83 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (C) 2008 Maarten Maathuis.
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|  * All Rights Reserved.
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|  *
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|  * Permission is hereby granted, free of charge, to any person obtaining
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|  * a copy of this software and associated documentation files (the
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|  * "Software"), to deal in the Software without restriction, including
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|  * without limitation the rights to use, copy, modify, merge, publish,
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|  * distribute, sublicense, and/or sell copies of the Software, and to
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|  * permit persons to whom the Software is furnished to do so, subject to
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|  * the following conditions:
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|  *
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|  * The above copyright notice and this permission notice (including the
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|  * next paragraph) shall be included in all copies or substantial
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|  * portions of the Software.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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|  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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|  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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|  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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|  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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|  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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|  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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|  *
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|  */
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| 
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| #ifndef __NOUVEAU_CRTC_H__
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| #define __NOUVEAU_CRTC_H__
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| 
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| #include <nvif/notify.h>
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| 
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| struct nouveau_crtc {
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| 	struct drm_crtc base;
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| 
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| 	int index;
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| 	struct nvif_notify vblank;
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| 
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| 	uint32_t dpms_saved_fp_control;
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| 	uint32_t fp_users;
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| 	int saturation;
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| 	int sharpness;
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| 	int last_dpms;
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| 
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| 	int cursor_saved_x, cursor_saved_y;
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| 
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| 	struct {
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| 		int cpp;
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| 		bool blanked;
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| 		uint32_t offset;
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| 		uint32_t handle;
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| 	} fb;
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| 
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| 	struct {
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| 		struct nouveau_bo *nvbo;
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| 		uint32_t offset;
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| 		void (*set_offset)(struct nouveau_crtc *, uint32_t offset);
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| 		void (*set_pos)(struct nouveau_crtc *, int x, int y);
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| 		void (*hide)(struct nouveau_crtc *, bool update);
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| 		void (*show)(struct nouveau_crtc *, bool update);
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| 	} cursor;
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| 
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| 	struct {
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| 		int depth;
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| 	} lut;
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| 
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| 	void (*save)(struct drm_crtc *crtc);
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| 	void (*restore)(struct drm_crtc *crtc);
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| };
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| 
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| static inline struct nouveau_crtc *nouveau_crtc(struct drm_crtc *crtc)
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| {
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| 	return crtc ? container_of(crtc, struct nouveau_crtc, base) : NULL;
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| }
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| 
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| static inline struct drm_crtc *to_drm_crtc(struct nouveau_crtc *crtc)
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| {
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| 	return &crtc->base;
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| }
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| 
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| int nv04_cursor_init(struct nouveau_crtc *);
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| 
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| #endif /* __NOUVEAU_CRTC_H__ */
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