'\" t
.\"     Title: struct drm_fb_helper_funcs
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: May 2018
.\"    Manual: DRM Core
.\"    Source: Kernel Hackers Manual 3.16.56
.\"  Language: English
.\"
.TH "STRUCT DRM_FB_HELPER" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "DRM Core"
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.SH "NAME"
struct_drm_fb_helper_funcs \- driver callbacks for the fbdev emulation library
.SH "SYNOPSIS"
.sp
.nf
struct drm_fb_helper_funcs {
  void (* gamma_set) (struct drm_crtc *crtc, u16 red, u16 green,u16 blue, int regno);
  void (* gamma_get) (struct drm_crtc *crtc, u16 *red, u16 *green,u16 *blue, int regno);
  int (* fb_probe) (struct drm_fb_helper *helper,struct drm_fb_helper_surface_size *sizes);
  bool (* initial_config) (struct drm_fb_helper *fb_helper,struct drm_fb_helper_crtc **crtcs,struct drm_display_mode **modes,bool *enabled, int width, int height);
};  
.fi
.SH "MEMBERS"
.PP
gamma_set
.RS 4
Set the given gamma lut register on the given crtc\&.
.RE
.PP
gamma_get
.RS 4
Read the given gamma lut register on the given crtc, used to save the current lut when force\-restoring the fbdev for e\&.g\&. kdbg\&.
.RE
.PP
fb_probe
.RS 4
Driver callback to allocate and initialize the fbdev info structure\&. Furthermore it also needs to allocate the drm framebuffer used to back the fbdev\&.
.RE
.PP
initial_config
.RS 4
Setup an initial fbdev display configuration
.RE
.SH "DESCRIPTION"
.PP
Driver callbacks used by the fbdev emulation helper library\&.
.SH "AUTHORS"
.PP
\fBJesse Barnes\fR <\&jesse.barnes@intel.com\&>
.br
Intel Corporation, 
	    
	  
.RS 4
Initial version
.RE
.PP
\fBLaurent Pinchart\fR <\&laurent.pinchart@ideasonboard.com\&>
.br
Ideas on board SPRL, 
	    
	  
.RS 4
Driver internals
.RE
.PP
\fBDaniel Vetter\fR <\&daniel.vetter@ffwll.ch\&>
.br
Intel Corporation, 
	    
	  
.RS 4
Contributions all over the place
.RE
.SH "COPYRIGHT"
.br