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Rev 3031 Rev 3391
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	u32 surface_height;
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	u32 surface_height;
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	u32 surface_bpp;
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	u32 surface_bpp;
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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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 * 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_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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 * 		 kdbg.
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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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 * 		framebuffer used to back the fbdev.
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 *
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 * Driver callbacks used by the fbdev emulation helper library.
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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_set)(struct drm_crtc *crtc, u16 red, u16 green,
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	void (*gamma_set)(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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	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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	struct drm_cmdline_mode cmdline_mode;
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	struct drm_cmdline_mode cmdline_mode;
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};
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};
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struct drm_fb_helper {
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struct drm_fb_helper {
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	struct drm_framebuffer *fb;
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	struct drm_framebuffer *saved_fb;
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	struct drm_framebuffer *fb;
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	struct drm_device *dev;
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	struct drm_display_mode *mode;
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	struct drm_device *dev;
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	int crtc_count;
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	int crtc_count;
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	struct drm_fb_helper_crtc *crtc_info;
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	struct drm_fb_helper_crtc *crtc_info;
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	int connector_count;
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	int connector_count;
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	struct drm_fb_helper_connector **connector_info;
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	struct drm_fb_helper_connector **connector_info;
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	/* we got a hotplug but fbdev wasn't running the console
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	/* we got a hotplug but fbdev wasn't running the console
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	   delay until next set_par */
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	   delay until next set_par */
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	bool delayed_hotplug;
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	bool delayed_hotplug;
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};
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};
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int drm_fb_helper_single_fb_probe(struct drm_fb_helper *helper,
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				  int preferred_bpp);
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int drm_fb_helper_init(struct drm_device *dev,
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int drm_fb_helper_init(struct drm_device *dev,
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		       struct drm_fb_helper *helper, int crtc_count,
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		       struct drm_fb_helper *helper, int crtc_count,
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				  int max_conn);
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				  int max_conn);
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void drm_fb_helper_fini(struct drm_fb_helper *helper);
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void drm_fb_helper_fini(struct drm_fb_helper *helper);
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			    unsigned blue,
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			    unsigned blue,
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			    unsigned transp,
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			    unsigned transp,
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			    struct fb_info *info);
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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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void drm_fb_helper_restore(void);
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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);
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void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
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void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,