RADEON
Section: Devices and Network Interfaces (4)
Updated: xf86-video-ati 6.13.1
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NAME
radeon - ATI RADEON video driver
SYNOPSIS
Section "Device"
Identifier "devname"
Driver "radeon"
...
EndSection
DESCRIPTION
radeon
is an Xorg driver for ATI RADEON based video cards with the
following features:
- •
-
Full support for 8, 15, 16 and 24 bit pixel depths;
- •
-
RandR 1.2 and RandR 1.3 support;
- •
-
TV-out support (only on R/RV/RS1xx, R/RV/RS2xx, R/RV/RS3xx. Experimental
support on R/RV5xx, R/RV6xx, and R/RV7xx through the
ATOMTvOut
option);
- •
-
Full EXA 2D acceleration;
- •
-
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);
- •
-
Textured XVideo acceleration including anti-tearing support (Bicubic filtering
only available on R/RV3xx, R/RV/RS4xx, R/RV5xx, and RS6xx/RS740);
- •
-
Overlay XVideo acceleration (only on R/RV/RS1xx, R/RV/RS2xx,
R/RV/RS3xx, R/RV/RS4xx);
- •
-
3D acceleration;
SUPPORTED HARDWARE
The
radeon
driver supports PCI, AGP, and PCIE video cards based on the following ATI chips:
- 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
- RV505/RV515/RV516/RV550
-
Radeon X1300/X1400/X1500/X2300
- R520
-
Radeon X1800
- RV530/RV560
-
Radeon X1600/X1650/X1700
- RV570/R580
-
Radeon X1900/X1950
- RS600/RS690/RS740
-
Radeon X1200/X1250/X2100
- R600
-
Radeon HD 2900
- RV610/RV630
-
Radeon HD 2400/2600
- RV620/RV635
-
Radeon HD 3450/3470
- RV670
-
Radeon HD 3850/3870
- RS780
-
Radeon HD 3100/3200/3300
- RV710
-
Radeon HD 4350/4550
- RV730
-
Radeon HD 4650/4670
- RV770
-
Radeon HD 4850/4870
CONFIGURATION DETAILS
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:
-
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:
- 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 "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 key.
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
though. Should be set automatically, but noone has a clue what the limit is
for which chip. If you think quality is not optimal when playing back HD video
(with horizontal resolution larger than this setting), increase this value, if
you get an empty area at the right (usually pink), decrease it. Note this only
affects the "true" overlay via xv, it 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 a AGP card to PCI mode. 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"
-
Frame buffer 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 the drm module is too old.
If this option is enabled, a new dri driver is required for direct rendering too.
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, but 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 detection.
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 associated 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
get-edid.
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 a output name must always be specified,
even if only one EDID is specified.
Caution:
Specifying an EDID that doesn't exactly match your display may
damage your hardware, as it allows the driver to specify timings beyond
the capabilities of your display. Use with care.
- 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 collected 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
frequency
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 supported on all
Radeon cards when using EXA acceleration and on Radeon R/RV/RS1xx,
R/RV/RS2xx and RS3xx when usig XAA. The default is to
enable
Render acceleration.
- Option "AccelMethod" "string"
-
Chooses between available acceleration architectures. Valid options are
XAA
and
EXA.
XAA is the traditional acceleration architecture 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.).
Default:
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 offscreen 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
beware 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 depth.
- 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 increase 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 system 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 informations aren't available, use this option to
reverse the mapping of the 2 main DDC ports. Use this if the X server
obviously detects the wrong display for each connector. This is
typically needed on the Radeon 9600 cards bundled with Apple G5s. The
default is
off.
- Option "LVDSProbePLL" "boolean"
-
When BIOS panel informations aren't available (like on PowerBooks), 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 default 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 properly, try the alternate
options as Apple does not seem to provide 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
The default value is
undefined.
- Option "TVStandard" "string"
-
Used to specify the default TV standard if you want to use something other than
the bios default. Valid options are:
ntsc
pal
pal-m
pal-60
ntsc-j
scart-pal
The default value is
undefined.
- Option "ForceTVOut" "boolean"
-
Enable this option to force TV-out to always be detected as attached.
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 "EXAVSync" "boolean"
-
This option attempts to avoid tearing by stalling the engine until the display
controller has passed the destination region. It reduces tearing at the cost
of performance and has been know to cause instability on some chips.
The default is
off.
- 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 default is
off.
- Option "R4xxATOM" "boolean"
-
This option enables modesetting on R/RV4xx chips using atombios.
The default is
off.
- Option "EXAPixmaps" "boolean"
-
(KMS Only) Under kernel modesetting to avoid thrashing pixmaps in/out
of VRAM on low memory 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 heurisitc.
The default is
on with > 32MB VRAM, off with < 32MB.
- Option "ZaphodHeads" "string"
-
Specify the randr output(s) to use with zaphod mode for a particular driver
instance. If you use this option you most 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.
TEXTURED VIDEO ATTRIBUTES
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
-
XV_VSYNC is used to control whether textured adapter synchronizes
the screen update to the monitor vertical refresh to eliminate tearing.
It has two values: 'off'(0) and 'on'(1). The default is
'on'(1).
- XV_CRTC
-
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. 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
-
XV_BICUBIC is used to control whether textured adapter should apply
a bicubic filter to smooth the output. It has three values: '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,
contrast, and brightness, and must be disabled to use those attributes.
The default is
'off'(0).
SEE ALSO
Xorg(1), xorg.conf(5), Xserver(1), X(7)
- 1.
-
Wiki page:
-
http://www.x.org/wiki/radeon
- 2.
-
Overview about radeon development code:
-
http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/
- 3.
-
Mailing list:
-
http://lists.x.org/mailman/listinfo/xorg-driver-ati
- 4.
-
IRC channel:
-
#radeon on irc.freenode.net
- 5.
-
Query the bugtracker for radeon bugs:
-
https://bugs.freedesktop.org/query.cgi?product=xorg&component=Driver/Radeon
- 6.
-
Submit bugs & patches:
-
https://bugs.freedesktop.org/enter_bug.cgi?product=xorg&component=Driver/Radeon
AUTHORS
Authors include:
Rickard E. (Rik) Faith faith@precisioninsight.com
Kevin E. Martin kem@freedesktop.org
Alan Hourihane alanh@fairlite.demon.co.uk
Marc Aurele La France tsi@xfree86.org
Benjamin Herrenschmidt benh@kernel.crashing.org
Michel Dänzer michel@tungstengraphics.com
Alex Deucher alexdeucher@gmail.com
Bogdan D. bogdand@users.sourceforge.net
Eric Anholt eric@anholt.net
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- SUPPORTED HARDWARE
-
- CONFIGURATION DETAILS
-
- TEXTURED VIDEO ATTRIBUTES
-
- SEE ALSO
-
- AUTHORS
-
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Time: 19:49:26 GMT, April 27, 2011