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Rev 3391 Rev 3747
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	u32 surface_depth;
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	u32 surface_depth;
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};
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};
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/**
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/**
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 * struct drm_fb_helper_funcs - driver callbacks for the fbdev emulation library
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 * struct drm_fb_helper_funcs - driver callbacks for the fbdev emulation library
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 * @gamma_set: - Set the given gamma lut register on the given crtc.
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 * @gamma_set: Set the given gamma lut register on the given crtc.
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 * @gamma_get: - Read the given gamma lut register on the given crtc, used to
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 * @gamma_get: Read the given gamma lut register on the given crtc, used to
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 * 		 save the current lut when force-restoring the fbdev for e.g.
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 * 		 save the current lut when force-restoring the fbdev for e.g.
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 * 		 kdbg.
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 * 		 kdbg.
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 * @fb_probe: - Driver callback to allocate and initialize the fbdev info
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 * @fb_probe: Driver callback to allocate and initialize the fbdev info
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 * 		structure. Futhermore it also needs to allocate the drm
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 * 		structure. Futhermore it also needs to allocate the drm
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 * 		framebuffer used to back the fbdev.
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 * 		framebuffer used to back the fbdev.
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 * @initial_config: Setup an initial fbdev display configuration
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 *
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 *
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 * Driver callbacks used by the fbdev emulation helper library.
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 * Driver callbacks used by the fbdev emulation helper library.
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 */
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 */
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struct drm_fb_helper_funcs {
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struct drm_fb_helper_funcs {
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	void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green,
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	void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green,
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			  u16 *blue, int regno);
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			  u16 *blue, int regno);
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	int (*fb_probe)(struct drm_fb_helper *helper,
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	int (*fb_probe)(struct drm_fb_helper *helper,
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			struct drm_fb_helper_surface_size *sizes);
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	bool (*initial_config)(struct drm_fb_helper *fb_helper,
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			       struct drm_fb_helper_crtc **crtcs,
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			       struct drm_display_mode **modes,
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			struct drm_fb_helper_surface_size *sizes);
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			       bool *enabled, int width, int height);
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};
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};
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struct drm_fb_helper_connector {
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struct drm_fb_helper_connector {
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int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
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int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
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			      struct fb_info *info);
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			      struct fb_info *info);
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int drm_fb_helper_set_par(struct fb_info *info);
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int drm_fb_helper_set_par(struct fb_info *info);
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int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
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int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
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			    struct fb_info *info);
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			    struct fb_info *info);
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int drm_fb_helper_setcolreg(unsigned regno,
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			    unsigned red,
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			    unsigned green,
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			    unsigned blue,
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			    unsigned transp,
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			    struct fb_info *info);
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bool drm_fb_helper_restore_fbdev_mode(struct drm_fb_helper *fb_helper);
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bool drm_fb_helper_restore_fbdev_mode(struct drm_fb_helper *fb_helper);
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void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper,
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void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper,
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			    uint32_t fb_width, uint32_t fb_height);
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			    uint32_t fb_width, uint32_t fb_height);