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RADEON(4x)							    RADEON(4x)

       radeon -	ATI RADEON video driver

       Section "Device"
	 Identifier "devname"
	 Driver	"radeon"

       radeon is an Xorg driver	for ATI	RADEON-based video cards with the fol-
       lowing features:

       o Full support for 8-, 15-, 16- and 24-bit pixel	depths;
       o RandR 1.2 and RandR 1.3 support;
       o TV-out	support	(only on RV/RS1xx, RV/RS2xx, R/RV/RS3xx.  Experimental
	 support  on  R/RV5xx,	R/RV6xx, and R/RV7xx through the ATOMTvOut op-
	 tion);	 TV-out	is not supported on cards that use  the	 Rage  Theatre
	 chip for TV-out (R100,	R200).
       o Full EXA 2D acceleration;
       o Full XAA 2D acceleration (only	on R/RV/RS1xx, R/RV/RS2xx, R/RV/RS3xx,
	 R/RV/RS4xx, R/RV5xx, RS6xx. XAA Render	acceleration supported only on
	 R/RV100, R/RV/RS2xx and RS3xx);
       o Textured  XVideo acceleration including anti-tearing support (Bicubic
	 filtering  only  available  on	 R/RV3xx,  R/RV/RS4xx,	R/RV5xx,   and
       o Overlay   XVideo   acceleration   (only  on  R/RV/RS1xx,  R/RV/RS2xx,
	 R/RV/RS3xx, R/RV/RS4xx);
       o 3D acceleration;

       The radeon driver supports PCI, AGP, and	PCIE video cards based on  the
       following ATI chips (note: list is non-exhaustive):

       R100	   Radeon 7200
       RV100	   Radeon 7000(VE), M6,	RN50/ES1000
       RS100	   Radeon IGP320(M)
       RV200	   Radeon 7500,	M7, FireGL 7800
       RS200	   Radeon IGP330(M)/IGP340(M)
       RS250	   Radeon Mobility 7000	IGP
       R200	   Radeon 8500,	9100, FireGL 8800/8700
       RV250	   Radeon 9000PRO/9000,	M9
       RV280	   Radeon 9200PRO/9200/9200SE/9250, M9+
       RS300	   Radeon 9100 IGP
       RS350	   Radeon 9200 IGP
       RS400/RS480 Radeon XPRESS 200(M)/1100 IGP
       R300	   Radeon 9700PRO/9700/9500PRO/9500/9600TX, FireGL X1/Z1
       R350	   Radeon 9800PRO/9800SE/9800, FireGL X2
       R360	   Radeon 9800XT
       RV350	   Radeon 9600PRO/9600SE/9600/9550, M10/M11, FireGL T2
       RV360	   Radeon 9600XT
       RV370	   Radeon X300,	M22
       RV380	   Radeon X600,	M24
       RV410	   Radeon X700,	M26 PCIE
       R420	   Radeon X800 AGP
       R423/R430   Radeon X800,	M28 PCIE
       R480/R481   Radeon X850 PCIE/AGP
		   Radeon X1300/X1400/X1500/X1550/X2300
       R520	   Radeon X1800
       RV530/RV560 Radeon X1600/X1650/X1700
       RV570/R580  Radeon X1900/X1950
		   Radeon X1200/X1250/X2100
       R600	   Radeon HD 2900
       RV610/RV630 Radeon HD 2400/2600/2700/4200/4225/4250
       RV620/RV635 Radeon HD 3410/3430/3450/3470/3650/3670
       RV670	   Radeon HD 3690/3850/3870
       RS780/RS880 Radeon HD 3100/3200/3300/4100/4200/4250/4290
       RV710/RV730 Radeon						    HD
		   Radeon HD 4770/4730/4830/4850/4860/4870/4890
       CEDAR	   Radeon HD 5430/5450/6330/6350/6370
       REDWOOD	   Radeon HD 5550/5570/5650/5670/5730/5750/5770/6530/6550/6570
       JUNIPER	   Radeon HD 5750/5770/5830/5850/5870/6750/6770/6830/6850/6870
       CYPRESS	   Radeon HD 5830/5850/5870
       HEMLOCK	   Radeon HD 5970
       PALM	   Radeon HD 6310/6250
       SUMO/SUMO2  Radeon HD 6370/6380/6410/6480/6520/6530/6550/6620
       BARTS	   Radeon HD 6790/6850/6870/6950/6970/6990
       TURKS	   Radeon HD 6570/6630/6650/6670/6730/6750/6770
       CAICOS	   Radeon HD 6430/6450/6470/6490
       CAYMAN	   Radeon HD 6950/6970/6990

       Please refer to xorg.conf(5) for	general	configuration  details.	  This
       section only covers configuration details specific to this driver.

       The  driver auto-detects	all device information necessary to initialize
       the card.  However, if you have problems	with auto-detection,  you  can
       specify for UMS (Userspace Modesetting):

	   VideoRam - in kilobytes
	   MemBase  - physical address of the linear framebuffer
	   IOBase   - physical address of the MMIO registers
	   ChipID   - PCI DEVICE ID

       In  addition,  the  following driver Options are	supported for both UMS
       (Userspace Modesetting) and KMS (Kernel Modesetting):

       Option "SWcursor" "boolean"
	      Selects software cursor.	The default is off.

       Option "NoAccel"	"boolean"
	      Enables or disables all hardware acceleration.
	      The default is to	enable hardware	acceleration.

       Option "ZaphodHeads" "string"
	      Specify the RandR	output(s) to use with zaphod mode for  a  par-
	      ticular  driver  instance.   If you use this option you must use
	      this option for all instances of the driver.
	      For  example:  Option  "ZaphodHeads"  "LVDS,VGA-0"  will	assign
	      xrandr outputs LVDS and VGA-0 to this instance of	the driver.

       Option "EXAVSync" "boolean"
	      This option attempts to avoid tearing by stalling	the engine un-
	      til the display controller has passed  the  destination  region.
	      It reduces tearing at the	cost of	performance and	has been known
	      to cause instability on some chips.  The default is off.

       The following driver Options are	supported  for	KMS  (Kernel  Modeset-

       Option "ColorTiling" "boolean"
	      The framebuffer can be addressed either in linear	or tiled mode.
	      Tiled mode can provide significant performance benefits with  3D
	      applications.   Tiling will be disabled if the drm module	is too
	      old or if	the current display configuration does not support it.
	      On R600+ this enables 1D tiling mode.
	      The  default  value  is on for R/RV3XX, R/RV4XX, R/RV5XX,	RS6XX,
	      RS740, R/RV6XX, R/RV7XX, RS780, RS880, EVERGREEN,	and CAYMAN and
	      off for R/RV/RS1XX, R/RV/RS2XX, and RS3XX.

       Option "ColorTiling2D" "boolean"
	      The  framebuffer	can  be	 addressed either in linear, 1D, or 2D
	      tiled modes. 2D tiled mode can provide  significant  performance
	      benefits	over  1D  tiling with 3D applications.	Tiling will be
	      disabled if the drm module is too	old or if the current  display
	      configuration  does  not	support	 it. KMS ColorTiling2D is only
	      supported	on R600	and newer chips.
	      The default value	is off for R/RV6XX, R/RV7XX, RS780, RS880, EV-
	      ERGREEN, and CAYMAN.

       Option "EXAPixmaps" "boolean"
	      Under KMS, to avoid thrashing pixmaps in/out of VRAM on low mem-
	      ory cards, we use	a heuristic based on VRAM amount to  determine
	      whether  to  allow  EXA  to  use VRAM for	non-essential pixmaps.
	      This option allows us to override	the heuristic.	The default is
	      on with >	32MB VRAM, off with < 32MB.

       Option "SwapbuffersWait"	"boolean"
	      This option controls the behavior	of glXSwapBuffers and glXCopy-
	      SubBufferMESA calls by GL	applications.  If enabled,  the	 calls
	      will  avoid  tearing by making sure the display scanline is out-
	      side of the area to be copied before the copy occurs.   If  dis-
	      abled, no	scanline synchronization is performed, meaning tearing
	      will likely occur.  Note that when enabled, this option can  ad-
	      versely  affect the framerate of applications that render	frames
	      at less than refresh rate.

	      The default value	is on.

       Option "EnablePageFlip" "boolean"
	      Enable DRI2 page flipping.  The default is on.  Pageflipping  is
	      supported	on all radeon hardware.

       The  following driver Options are supported for UMS (Userspace Modeset-

       Option "Dac6Bit"	"boolean"
	      Enables or disables the use of 6 bits per	color  component  when
	      in  8  bpp mode (emulates	VGA mode).  By default,	all 8 bits per
	      color component are used.
	      The default is off.

       Option "VideoKey" "integer"
	      This overrides the default pixel value for the YUV video overlay
	      The default value	is 0x1E.

       Option "ScalerWidth" "integer"
	      This sets	the overlay scaler buffer width. Accepted values range
	      from 1024	to 2048, divisible by 64.  Values other	than 1536  and
	      1920  may	not make sense.	 This should be	set automatically, but
	      no one knows what	the limit is for  which	 chip.	If  you	 think
	      quality is not optimal when playing back HD video	(with horizon-
	      tal resolution larger than this setting),	increase  this	value.
	      If  you  get an empty area at the	right (usually pink), decrease
	      it. Note that this only affects the "true" overlay via  Xv,  and
	      won't affect things like textured	video.
	      The default value	is either 1536 (for most chips)	or 1920.

       Option "AGPMode"	"integer"
	      Set AGP data transfer rate.  (used only when DRI is enabled)
	      1	     --	1x (before AGP v3 only)
	      2	     --	2x (before AGP v3 only)
	      4	     --	4x
	      8	     --	8x (AGP	v3 only)
	      others --	invalid
	      The default is to	leave it unchanged.

       Option "AGPFastWrite" "boolean"
	      Enable  AGP  fast	writes.	 Enabling this is frequently the cause
	      of instability. Used only	when the DRI is	enabled. If you	enable
	      this option you will get *NO* support from developers.
	      The default is off.

       Option "BusType"	"string"
	      Used  to	replace	 previous ForcePCIMode option.	Should only be
	      used when	driver's bus detection is incorrect  or	 you  want  to
	      force an AGP card	to PCI mode. You should	NEVER force a PCI card
	      to AGP bus.
	      PCI    --	PCI bus
	      AGP    --	AGP bus
	      PCIE   --	PCI Express bus
	      (used only when DRI is enabled)
	      The default is auto detect.

       Option "DisplayPriority"	"string"
	      Used to prevent flickering or tearing problem caused by  display
	      buffer underflow.
	      AUTO   --	Driver calculated (default).
	      BIOS   --	Remain unchanged from BIOS setting.
			Use this if the	calculation is not correct
			for your card.
	      HIGH   --	Force to the highest priority.
			Use this if you	have problem with above	options.
			This may affect	performance slightly.
	      The default value	is AUTO.

       Option "ColorTiling" "boolean"
	      The framebuffer can be addressed either in linear	or tiled mode.
	      Tiled mode can provide significant performance benefits with  3D
	      applications.   For  2D it shouldn't matter much.	Tiling will be
	      disabled if the virtual x	resolution exceeds 2048	(3968 for R300
	      and above), or if	DRI is enabled and the drm module is too old.
	      If  this option is enabled, a new	DRI driver is required for di-
	      rect rendering.
	      Color tiling will	be automatically  disabled  in	interlaced  or
	      doublescan screen	modes.
	      The default value	is on.

       Option "IgnoreEDID" "boolean"
	      Do not use EDID data for mode validation.	 DDC is	still used for
	      monitor detection. This is different from	NoDDC option.
	      The default value	is off.

       Option "CustomEDID" "string"
	      Forces the X driver to use the EDID data	specified  in  a  file
	      rather  than  the	display's EDID.	Also overrides DDC monitor de-
	      You may specify a	semicolon-separated list of  output  name  and
	      filename	pairs with an optional flag, "digital" or "analog", to
	      override the digital bit in the EDID which is used by the	driver
	      to  determine whether to use the analog or digital encoder asso-
	      ciated with a DVI-I port.	 The output name is the	 RandR	output
	      name,  e.g.,  "VGA-0"  or	 "DVI-0"; consult the Xorg log for the
	      supported	output names of	any given system.
	      The file must contain a raw 128-byte EDID	block, as captured  by
	      For    example:	Option	 "CustomEDID"	"VGA-0:/tmp/edid1.bin;
	      DVI-0:/tmp/edid2.bin:digital" will assign	the EDID from the file
	      /tmp/edid1.bin to	the output device VGA-0, and the EDID from the
	      file /tmp/edid2.bin to the output	device DVI-0 and force the DVI
	      port to use the digital encoder.
	      Note  that an output name	must always be specified, even if only
	      one EDID is specified.
	      Caution: Specifying an EDID that doesn't exactly match your dis-
	      play  may	damage your hardware, as it allows the driver to spec-
	      ify timings beyond the capabilities of your  display.  Use  with

       Option "PanelSize" "string"
	      Should  only be used when	driver cannot detect the correct panel
	      size.  Apply to both desktop (TMDS) and  laptop  (LVDS)  digital
	      panels.	When a valid panel size	is specified, the timings col-
	      lected from DDC and BIOS will not	be used. If you	have  a	 panel
	      with  timings  different	from that of a standard	VESA mode, you
	      have to provide this information through the Modeline.
	      For example, Option "PanelSize" "1400x1050"
	      The default value	is none.

       Option "EnablePageFlip" "boolean"
	      Enable page flipping for 3D  acceleration.  This	will  increase
	      performance but not work correctly in some rare cases, hence the
	      default is off.  It is currently only  supported	on  R/RV/RS4xx
	      and older	hardware.

       Option "ForceMinDotClock" "frequency"
	      Override	minimum	dot clock. Some	Radeon BIOSes report a minimum
	      dot clock	unsuitable (too	high) for  use	with  television  sets
	      even when	they actually can produce lower	dot clocks. If this is
	      the case you can override	the value here.	 Note that using  this
	      option may damage	your hardware.	You have been warned. The fre-
	      quency parameter may be specified	as a float value with standard
	      suffixes like "k", "kHz",	"M", "MHz".

       Option "RenderAccel" "boolean"
	      Enables  or  disables  hardware Render acceleration.  It is sup-
	      ported on	all Radeon cards when using EXA	 acceleration  and  on
	      Radeon R/RV/RS1xx, R/RV/RS2xx and	RS3xx when using XAA.  The de-
	      fault is to enable Render	acceleration.

       Option "AccelMethod" "string"
	      Chooses between available	acceleration architectures.  Valid op-
	      tions  are XAA and EXA.  XAA is the traditional acceleration ar-
	      chitecture and support for it is very stable.  EXA  is  a	 newer
	      acceleration architecture	with better performance	for the	Render
	      and Composite extensions.	 The default is	EXA.

       Option "AccelDFS" "boolean"
	      Use or don't use accelerated EXA	DownloadFromScreen  hook  when
	      possible	(only  when  Direct  Rendering is enabled, e.g.).  De-
	      fault: off with AGP due to issues	with GPU->host transfers  with
	      some AGP bridges,	on otherwise.

       Option "FBTexPercent" "integer"
	      Amount  of video RAM to reserve for OpenGL textures, in percent.
	      With EXA,	the remainder of video RAM is reserved	for  EXA  off-
	      screen  management.  Specifying 0	results	in all offscreen video
	      RAM being	reserved for EXA and only GART memory being  available
	      for  OpenGL  textures. This may improve EXA performance, but be-
	      ware that	it may cause problems with OpenGL  drivers  from  Mesa
	      versions	older  than 6.4. With XAA, specifying lower percentage
	      than what	gets reserved without this option has no  effect,  but
	      the driver tries to increase the video RAM reserved for textures
	      to the amount specified roughly.	Default: 50.

       Option "DepthBits" "integer"
	      Precision	in bits	per pixel of the shared	depth buffer used  for
	      3D  acceleration.	  Valid	values are 16 and 24. When this	is 24,
	      there will also be a hardware accelerated	 stencil  buffer,  but
	      the  combined  depth/stencil  buffer  will take up twice as much
	      video RAM	as when	it's 16.  Default:  The	 same  as  the	screen

       Option "DMAForXv" "boolean"
	      Try  or  don't  try to use DMA for Xv image transfers. This will
	      reduce CPU usage when playing big	 videos	 like  DVDs,  but  may
	      cause instabilities.  Default: on.

       Option "SubPixelOrder" "string"
	      Force subpixel order to specified	order.	Subpixel order is used
	      for subpixel decimation on flat panels.
	      NONE   --	No subpixel (CRT like displays)
	      RGB    --	in horizontal RGB order	(most flat panels)
	      BGR    --	in horizontal BGR order	(some flat panels)

	      This option is intended to be used in following cases:
	      1. The default subpixel order is incorrect for your panel.
	      2. Enable	subpixel decimation on analog panels.
	      3. Adjust	to one display type in dual-head clone mode setup.
	      4. Get better performance	with Render  acceleration  on  digital
	      panels (use NONE setting).
	      The default is NONE for CRT, RGB for digital panels

       Option "ClockGating" "boolean"
	      Enable  dynamic clock gating.  This can help reduce heat and in-
	      crease battery life by reducing power usage.  Some users	report
	      reduced 3D performance with this enabled.	 The default is	off.

       Option "ForceLowPowerMode" "boolean"
	      Enable  a	 static	low power mode.	 This can help reduce heat and
	      increase battery life by reducing	power usage at the expense  of
	      performance. The default is off.

       Option "DynamicPM" "boolean"
	      Enable  dynamic power mode switching.  This can help reduce heat
	      and increase battery life	by reducing power usage	when the  sys-
	      tem is idle (DPMS	active). The default is	off.

       Option "VGAAccess" "boolean"
	      Tell the driver if it can	do legacy VGA IOs to the card. This is
	      necessary	for properly resuming consoles when in VGA text	 mode,
	      but  shouldn't be	if the console is using	radeonfb or some other
	      graphic mode driver. Some	platforms  like	 PowerPC  have	issues
	      with  those,  and	 they  aren't necessary	unless you have	a real
	      text mode	in console. The	default	is off on  PowerPC  and	 SPARC
	      and on on	other architectures.

       Option "ReverseDDC" "boolean"
	      When BIOS	connector information isn't available, use this	option
	      to reverse the mapping of	the two	main DDC ports.	 Use  this  if
	      the  X  server obviously detects the wrong display for each con-
	      nector. This is typically	needed on the Radeon 9600  cards  bun-
	      dled with	Apple G5s. The default is off.

       Option "LVDSProbePLL" "boolean"
	      When  BIOS  panel	 information  isn't  available (like on	Power-
	      Books), it may still be necessary	to use	the  firmware-provided
	      PLL  values for the panel	or flickering will happen. This	option
	      will force probing of the	current	value programmed in  the  chip
	      when  X  is launched in that case.  This is only useful for LVDS
	      panels (laptop internal panels).	The default is on.

       Option "TVDACLoadDetect"	"boolean"
	      Enable load detection on the TV DAC.  The	 TV  DAC  is  used  to
	      drive  both  TV-out and analog monitors. Load detection is often
	      unreliable in the	TV DAC so it is	disabled by default.  The  de-
	      fault is off.

       Option "DefaultTMDSPLL" "boolean"
	      Use  the default driver provided TMDS PLL	values rather than the
	      ones provided by the BIOS. This option  has  no  effect  on  Mac
	      cards.  Enable this option if you	are having problems with a DVI
	      monitor using the	internal TMDS controller.  The default is off.

       Option "DefaultTVDACAdj"	"boolean"
	      Use the default driver provided TVDAC Adj	values rather than the
	      ones  provided  by  the  BIOS.  This option has no effect	on Mac
	      cards.  Enable this option if you	are  having  problems  with  a
	      washed out display on the	secondary DAC.	The default is off.

       Option "DRI" "boolean"
	      Enable DRI support.  This	option allows you to enable to disable
	      the DRI.	The default is off for RN50/ES1000 and on for others.

       Option "DefaultConnectorTable" "boolean"
	      Enable this option to skip the BIOS connector table parsing  and
	      use the driver defaults for each chip.  The default is off

       Option "MacModel" "string"
	      Used  to specify Mac models for connector	tables and quirks.  If
	      you have a PowerBook or Mini with	DVI that does not  work	 prop-
	      erly,  try  the alternate	options	as Apple does not seem to pro-
	      vide a good way of knowing whether they use internal or external
	      TMDS for DVI.  Only valid	on PowerPC.  On	Linux, the driver will
	      attempt to detect	the MacModel automatically.
	      ibook		   -- ibooks
	      powerbook-external   -- Powerbooks with external DVI
	      powerbook-internal   -- Powerbooks with integrated DVI
	      powerbook-vga	   -- Powerbooks with VGA rather than DVI
	      mini-external	   -- Mac Mini with external DVI
	      mini-internal	   -- Mac Mini with integrated DVI
	      imac-g5-isight	   -- iMac G5 iSight
	      emac		   -- eMac G4
	      sam440ep		   -- SAM440ep embedded	board
	      The default value	is undefined.

       Option "TVStandard" "string"
	      Used to specify the default TV standard if you want to use some-
	      thing other than the BIOS	default. Valid options are:
	      The default value	is undefined.

       Option "ForceTVOut" "boolean"
	      Enable  this option to force TV-out to always be detected	as at-
	      tached.  The default is off

       Option "IgnoreLidStatus"	"boolean"
	      Enable this option to ignore lid status on  laptops  and	always
	      detect LVDS as attached.	The default is on.

       Option "Int10" "boolean"
	      This  option  allows  you	 to disable INT10 initialization.  Set
	      this to False if you are experiencing a hang when	initializing a
	      secondary	card.  The default is on.

       Option "ATOMTvOut" "boolean"
	      This  option  enables  experimental  TV-out support for R/RV5xx,
	      R/RV6xx, and R/RV7xx AtomBIOS chips. TV-out is experimental  and
	      may  not	function on these chips	as well	as hoped for.  The de-
	      fault is off.

       Option "R4xxATOM" "boolean"
	      This option enables modesetting on R/RV4xx chips using AtomBIOS.
	      The default is off.

       The driver supports the following X11 Xv	attributes for Textured	Video.
       You can use the "xvattr"	tool to	query/set those	attributes at runtime.

	      XV_VSYNC is used to control whether  textured  adapter  synchro-
	      nizes the	screen update to the monitor vertical refresh to elim-
	      inate tearing.  It has two values: 'off'(0) and 'on'(1). The de-
	      fault is 'on'(1).

	      XV_CRTC  is  used	to control which display controller (crtc) the
	      textured	adapter	 synchronizes  the  screen  update  with  when
	      XV_VSYNC	is enabled.  The default, 'auto'(-1), will sync	to the
	      display controller that more of the video	is on;	when  this  is
	      ambiguous, the display controller	associated with	the RandR pri-
	      mary output is preferred.	 This attribute	is useful  for	things
	      like  clone  mode	 where	the user can best decide which display
	      should be	synced.	 The default is	'auto'(-1).

	      XV_BICUBIC is used to control whether  textured  adapter	should
	      apply  a	bicubic	filter to smooth the output. It	has three val-
	      ues: 'off'(0), 'on'(1) and 'auto'(2). 'off'  means  never	 apply
	      the  filter, 'on'	means always apply the filter and 'auto' means
	      apply the	filter only if the X and Y sizes are  scaled  to  more
	      than  double  to avoid blurred output.  Bicubic filtering	is not
	      currently	compatible with	other Xv  attributes  like  hue,  con-
	      trast,  and  brightness,	and  must be disabled to use those at-
	      tributes.	 The default is	'off'(0).

       Xorg(1),	xorg.conf(5), Xserver(1), X(7)

	1. Wiki	page:

	2. Overview about radeon development code:

	3. Mailing list:

	4. IRC channel:
	   #radeon on

	5. Query the bugtracker	for radeon bugs:

	6. Submit bugs & patches:

       Authors include:
       Rickard E. (Rik)	Faith
       Kevin E.	Martin
       Alan Hourihane
       Marc Aurele La France
       Benjamin	Herrenschmidt
       Michel Danzer
       Alex Deucher
       Bogdan D.
       Eric Anholt

X Version 11		     xf86-video-ati 6.14.6		    RADEON(4x)


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