## fbdev configuration# menuconfig FB	tristate "Support for frame buffer devices"	select FB_CMDLINE	select FB_NOTIFY	---help---	  The frame buffer device provides an abstraction for the graphics	  hardware. It represents the frame buffer of some video hardware and	  allows application software to access the graphics hardware through	  a well-defined interface, so the software doesn't need to know	  anything about the low-level (hardware register) stuff. 	  Frame buffer devices work identically across the different	  architectures supported by Linux and make the implementation of	  application programs easier and more portable; at this point, an X	  server exists which uses the frame buffer device exclusively.	  On several non-X86 architectures, the frame buffer device is the	  only way to use the graphics hardware. 	  The device is accessed through special device nodes, usually located	  in the /dev directory, i.e. /dev/fb*. 	  You need an utility program called fbset to make full use of frame	  buffer devices. Please read <file:Documentation/fb/framebuffer.txt>	  and the Framebuffer-HOWTO at	  <http://www.munted.org.uk/programming/Framebuffer-HOWTO-1.3.html> for more	  information. 	  Say Y here and to the driver for your graphics board below if you	  are compiling a kernel for a non-x86 architecture. 	  If you are compiling for the x86 architecture, you can say Y if you	  want to play with it, but it is not essential. Please note that	  running graphical applications that directly touch the hardware	  (e.g. an accelerated X server) and that are not frame buffer	  device-aware may cause unexpected results. If unsure, say N. config FIRMWARE_EDID       bool "Enable firmware EDID"       depends on FB       default n       ---help---         This enables access to the EDID transferred from the firmware.	 On the i386, this is from the Video BIOS. Enable this if DDC/I2C	 transfers do not work for your driver and if you are using	 nvidiafb, i810fb or savagefb. 	 In general, choosing Y for this option is safe.  If you	 experience extremely long delays while booting before you get	 something on your display, try setting this to N.  Matrox cards in	 combination with certain motherboards and monitors are known to	 suffer from this problem. config FB_CMDLINE	bool config FB_NOTIFY	bool config FB_DDC       tristate       depends on FB       select I2C_ALGOBIT       select I2C       default n config FB_BOOT_VESA_SUPPORT	bool	depends on FB	default n	---help---	  If true, at least one selected framebuffer driver can take advantage	  of VESA video modes set at an early boot stage via the vga= parameter. config FB_CFB_FILLRECT	tristate	depends on FB	default n	---help---	  Include the cfb_fillrect function for generic software rectangle	  filling. This is used by drivers that don't provide their own	  (accelerated) version. config FB_CFB_COPYAREA	tristate	depends on FB	default n	---help---	  Include the cfb_copyarea function for generic software area copying.	  This is used by drivers that don't provide their own (accelerated)	  version. config FB_CFB_IMAGEBLIT	tristate	depends on FB	default n	---help---	  Include the cfb_imageblit function for generic software image	  blitting. This is used by drivers that don't provide their own	  (accelerated) version. config FB_CFB_REV_PIXELS_IN_BYTE	bool	depends on FB	default n	---help---	  Allow generic frame-buffer functions to work on displays with 1, 2	  and 4 bits per pixel depths which has opposite order of pixels in	  byte order to bytes in long order. config FB_SYS_FILLRECT	tristate	depends on FB	default n	---help---	  Include the sys_fillrect function for generic software rectangle	  filling. This is used by drivers that don't provide their own	  (accelerated) version and the framebuffer is in system RAM. config FB_SYS_COPYAREA	tristate	depends on FB	default n	---help---	  Include the sys_copyarea function for generic software area copying.	  This is used by drivers that don't provide their own (accelerated)	  version and the framebuffer is in system RAM. config FB_SYS_IMAGEBLIT	tristate	depends on FB	default n	---help---	  Include the sys_imageblit function for generic software image	  blitting. This is used by drivers that don't provide their own	  (accelerated) version and the framebuffer is in system RAM. config FB_PROVIDE_GET_FB_UNMAPPED_AREA	bool	depends on FB	default n	---help---	  Allow generic frame-buffer to provide get_fb_unmapped_area	  function. menuconfig FB_FOREIGN_ENDIAN	bool "Framebuffer foreign endianness support"	depends on FB	---help---	  This menu will let you enable support for the framebuffers with	  non-native endianness (e.g. Little-Endian framebuffer on a	  Big-Endian machine). Most probably you don't have such hardware,	  so it's safe to say "n" here. choice	prompt "Choice endianness support"	depends on FB_FOREIGN_ENDIAN config FB_BOTH_ENDIAN	bool "Support for Big- and Little-Endian framebuffers" config FB_BIG_ENDIAN	bool "Support for Big-Endian framebuffers only" config FB_LITTLE_ENDIAN	bool "Support for Little-Endian framebuffers only" endchoice config FB_SYS_FOPS       tristate       depends on FB       default n config FB_DEFERRED_IO	bool	depends on FB config FB_HECUBA	tristate	depends on FB	depends on FB_DEFERRED_IO config FB_SVGALIB	tristate	depends on FB	default n	---help---	  Common utility functions useful to fbdev drivers of VGA-based	  cards. config FB_MACMODES       tristate       depends on FB       default n config FB_BACKLIGHT	bool	depends on FB	select BACKLIGHT_LCD_SUPPORT	select BACKLIGHT_CLASS_DEVICE	default n config FB_MODE_HELPERS        bool "Enable Video Mode Handling Helpers"        depends on FB	default n	---help---	  This enables functions for handling video modes using the	  Generalized Timing Formula and the EDID parser. A few drivers rely          on this feature such as the radeonfb, rivafb, and the i810fb. If	  your driver does not take advantage of this feature, choosing Y will	  just increase the kernel size by about 5K. config FB_TILEBLITTING       bool "Enable Tile Blitting Support"       depends on FB       default n       ---help---         This enables tile blitting.  Tile blitting is a drawing technique	 where the screen is divided into rectangular sections (tiles), whereas	 the standard blitting divides the screen into pixels. Because the	 default drawing element is a tile, drawing functions will be passed	 parameters in terms of number of tiles instead of number of pixels.	 For example, to draw a single character, instead of using bitmaps,	 an index to an array of bitmaps will be used.  To clear or move a	 rectangular section of a screen, the rectangle will be described in	 terms of number of tiles in the x- and y-axis. 	 This is particularly important to one driver, matroxfb.  If	 unsure, say N. comment "Frame buffer hardware drivers"	depends on FB config FB_GRVGA	tristate "Aeroflex Gaisler framebuffer support"	depends on FB && SPARC	select FB_CFB_FILLRECT	select FB_CFB_COPYAREA	select FB_CFB_IMAGEBLIT	---help---	This enables support for the SVGACTRL framebuffer in the GRLIB IP library from Aeroflex Gaisler. config FB_CIRRUS	tristate "Cirrus Logic support"	depends on FB && (ZORRO || PCI)	select FB_CFB_FILLRECT	select FB_CFB_COPYAREA	select FB_CFB_IMAGEBLIT	---help---	  This enables support for Cirrus Logic GD542x/543x based boards on	  Amiga: SD64, Piccolo, Picasso II/II+, Picasso IV, or EGS Spectrum. 	  If you have a PCI-based system, this enables support for these	  chips: GD-543x, GD-544x, GD-5480. 	  Please read the file <file:Documentation/fb/cirrusfb.txt>. 	  Say N unless you have such a graphics board or plan to get one	  before you next recompile the kernel. config FB_PM2	tristate "Permedia2 support"	depends on FB && ((AMIGA && BROKEN) || PCI)	select FB_CFB_FILLRECT	select FB_CFB_COPYAREA	select FB_CFB_IMAGEBLIT	help	  This is the frame buffer device driver for cards based on	  the 3D Labs Permedia, Permedia 2 and Permedia 2V chips.	  The driver was tested on the following cards:		Diamond FireGL 1000 PRO AGP		ELSA Gloria Synergy PCI		Appian Jeronimo PRO (both heads) PCI		3DLabs Oxygen ACX aka EONtronics Picasso P2 PCI		Techsource Raptor GFX-8P (aka Sun PGX-32) on SPARC		ASK Graphic Blaster Exxtreme AGP 	  To compile this driver as a module, choose M here: the	  module will be called pm2fb. config FB_PM2_FIFO_DISCONNECT	bool "enable FIFO disconnect feature"	depends on FB_PM2 && PCI	help	  Support the Permedia2 FIFO disconnect feature. config FB_ARMCLCD	tristate "ARM PrimeCell PL110 support"	depends on ARM || ARM64 || COMPILE_TEST	depends on FB && ARM_AMBA && HAS_IOMEM	select FB_CFB_FILLRECT	select FB_CFB_COPYAREA	select FB_CFB_IMAGEBLIT	select FB_MODE_HELPERS if OF	select VIDEOMODE_HELPERS if OF	select BACKLIGHT_LCD_SUPPORT if OF	select BACKLIGHT_CLASS_DEVICE if OF	help	  This framebuffer device driver is for the ARM PrimeCell PL110	  Colour LCD controller.  ARM PrimeCells provide the building	  blocks for System on a Chip devices. 	  If you want to compile this as a module (=code which can be	  inserted into and removed from the running kernel), say M	  here and read <file:Documentation/kbuild/modules.txt>.  The module	  will be called amba-clcd. # Helper logic selected only by the ARM Versatile platform family.config PLAT_VERSATILE_CLCD	def_bool ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || ARCH_INTEGRATOR	depends on ARM	depends on FB_ARMCLCD && FB=y	select REGMAP	select MFD_SYSCON config FB_ACORN	bool "Acorn VIDC support"	depends on (FB = y) && ARM && ARCH_ACORN	select FB_CFB_FILLRECT	select FB_CFB_COPYAREA	select FB_CFB_IMAGEBLIT	help	  This is the frame buffer device driver for the Acorn VIDC graphics	  hardware found in Acorn RISC PCs and other ARM-based machines.  If	  unsure, say N. config FB_CLPS711X_OLD	tristate	select FB_CFB_FILLRECT	select FB_CFB_COPYAREA	select FB_CFB_IMAGEBLIT config FB_CLPS711X	tristate "CLPS711X LCD support"	depends on FB && (ARCH_CLPS711X || COMPILE_TEST)	select FB_CLPS711X_OLD if ARCH_CLPS711X && !ARCH_MULTIPLATFORM	select BACKLIGHT_LCD_SUPPORT	select FB_MODE_HELPERS	select FB_SYS_FILLRECT	select FB_SYS_COPYAREA	select FB_SYS_IMAGEBLIT	select LCD_CLASS_DEVICE	select VIDEOMODE_HELPERS	help	  Say Y to enable the Framebuffer driver for the Cirrus Logic	  CLPS711X CPUs. config FB_SA1100	bool "SA-1100 LCD support"	depends on (FB = y) && ARM && ARCH_SA1100	select FB_CFB_FILLRECT	select FB_CFB_COPYAREA	select FB_CFB_IMAGEBLIT	help	  This is a framebuffer device for the SA-1100 LCD Controller.	  See <http://www.linux-fbdev.org/> for information on framebuffer	  devices. 	  If you plan to use the LCD display with your SA-1100 system, say	  Y here. config FB_IMX	tristate "Freescale i.MX1/21/25/27 LCD support"	depends on FB && ARCH_MXC	select BACKLIGHT_LCD_SUPPORT	select LCD_CLASS_DEVICE	select FB_CFB_FILLRECT	select FB_CFB_COPYAREA	select FB_CFB_IMAGEBLIT	select FB_MODE_HELPERS	select VIDEOMODE_HELPERS config FB_CYBER2000	tristate "CyberPro 2000/2010/5000 support"	depends on FB && PCI && (BROKEN || !SPARC64)	select FB_CFB_FILLRECT	select FB_CFB_COPYAREA	select FB_CFB_IMAGEBLIT	help	  This enables support for the Integraphics CyberPro 20x0 and 5000	  VGA chips used in the Rebel.com Netwinder and other machines.	  Say Y if you have a NetWinder or a graphics card containing this	  device, otherwise say N. config FB_CYBER2000_DDC	bool "DDC for CyberPro support"	depends on FB_CYBER2000	select FB_DDC	default y	help	  Say Y here if you want DDC support for your CyberPro graphics	  card. This is only I2C bus support, driver does not use EDID. config FB_CYBER2000_I2C	bool "CyberPro 2000/2010/5000 I2C support"	depends on FB_CYBER2000 && I2C && ARCH_NETWINDER	depends on I2C=y || FB_CYBER2000=m	select I2C_ALGOBIT	help	  Enable support for the I2C video decoder interface on the	  Integraphics CyberPro 20x0 and 5000 VGA chips.  This is used	  on the Netwinder machines for the SAA7111 video capture. config FB_APOLLO	bool	depends on (FB = y) && APOLLO	default y	select FB_CFB_FILLRECT	select FB_CFB_IMAGEBLIT config FB_Q40	bool	depends on (FB = y) && Q40	default y	select FB_CFB_FILLRECT	select FB_CFB_COPYAREA	select FB_CFB_IMAGEBLIT config FB_AMIGA	tristate "Amiga native chipset support"	depends on FB && AMIGA	help	  This is the frame buffer device driver for the builtin graphics	  chipset found in Amigas. 	  To compile this driver as a module, choose M here: the	  module will be called amifb. config FB_AMIGA_OCS	bool "Amiga OCS chipset support"	depends on FB_AMIGA	help	  This enables support for the original Agnus and Denise video chips,	  found in the Amiga 1000 and most A500's and A2000's. If you intend	  to run Linux on any of these systems, say Y; otherwise say N. config FB_AMIGA_ECS	bool "Amiga ECS chipset support"	depends on FB_AMIGA	help	  This enables support for the Enhanced Chip Set, found in later	  A500's, later A2000's, the A600, the A3000, the A3000T and CDTV. If	  you intend to run Linux on any of these systems, say Y; otherwise	  say N. config FB_AMIGA_AGA	bool "Amiga AGA chipset support"	depends on FB_AMIGA	help	  This enables support for the Advanced Graphics Architecture (also	  known as the AGA or AA) Chip Set, found in the A1200, A4000, A4000T	  and CD32. If you intend to run Linux on any of these systems, say Y;	  otherwise say N. config FB_FM2	bool "Amiga FrameMaster II/Rainbow II support"	depends on (FB = y) && ZORRO	select FB_CFB_FILLRECT	select FB_CFB_COPYAREA	select FB_CFB_IMAGEBLIT	help	  This is the frame buffer device driver for the Amiga FrameMaster	  card from BSC (exhibited 1992 but not shipped as a CBM product). config FB_ARC	tristate "Arc Monochrome LCD board support"	depends on FB && X86	select FB_SYS_FILLRECT	select FB_SYS_COPYAREA	select FB_SYS_IMAGEBLIT	select FB_SYS_FOPS	help	  This enables support for the Arc Monochrome LCD board. The board	  is based on the KS-108 lcd controller and is typically a matrix	  of 2*n chips. This driver was tested with a 128x64 panel. This	  driver supports it for use with x86 SBCs through a 16 bit GPIO	  interface (8 bit data, 8 bit control). If you anticipate using	  this driver, say Y or M; otherwise say N. You must specify the	  GPIO IO address to be used for setting control and data. config FB_ATARI	bool "Atari native chipset support"	depends on (FB = y) && ATARI	select FB_CFB_FILLRECT	select FB_CFB_COPYAREA	select FB_CFB_IMAGEBLIT	help	  This is the frame buffer device driver for the builtin graphics	  chipset found in Ataris. config FB_OF	bool "Open Firmware frame buffer device support"	depends on (FB = y) && PPC && (!PPC_PSERIES || PCI)	select FB_CFB_FILLRECT	select FB_CFB_COPYAREA

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