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siliconmotion (4)
  • >> siliconmotion (4) ( Linux man: Специальные файлы /dev/* )
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    NAME

    siliconmotion - Silicon Motion video driver
     
    

    SYNOPSIS

    Section N'34'DeviceN'34'
    Identifier N'34'devnameN'34'
    Driver N'34'siliconmotionN'34'
      ...
      [ Option "optionname" ["optionvalue"]]
    EndSection  

    DESCRIPTION

    siliconmotion is an Xorg driver for Silicon Motion based video cards. The driver is fully accelerated, and provides support for the following framebuffer depths: 8, 16, and 24. All visual types are supported for depth 8, and TrueColor visuals are supported for the other depths.  

    SUPPORTED HARDWARE

    The siliconmotion driver supports PCI and AGP video cards based on the following Silicon Motion chips:
    Lynx
    SM910
    LynxE
    SM810
    Lynx3D
    SM820
    LynxEM
    SM710
    LynxEM+
    SM712
    Lynx3DM
    SM720
     

    CONFIGURATION DETAILS

    Please refer to xorg.conf(5) for general configuration details. This section only covers configuration details specific to this driver. All options names are case and white space insensitive when parsed by the server, for example, "lynxe" and "LynxE" are equivalent.

    The driver auto-detects the chipset type, but the following ChipSet names may optionally be specified in the config file N'34'DeviceN'34' section, and will override the auto-detection:

    "lynx", "lynxe", "lynx3d", "lynxem", "lynxem+", "lynx3dm".

    The following Cursor Options are supported:

    Option N'34'HWCursorN'34' N'34'booleanN'34'
    Enable or disable the HW cursor. Default: on.
    Option N'34'SWCursorN'34' N'34'booleanN'34'
    Inverse of "HWCursor". Default: off.

    The following display Options are supported:

    Option N'34'ShadowFBN'34' N'34'booleanN'34'
    Use shadow framebuffer. Default: off.
    Option N'34'RotateN'34' N'34'CWN'34'
    Option N'34'RotateN'34' N'34'CCWN'34'
    Rotate the screen CW - clockwise or CCW - counter clockwise. Uses ShadowFB and disables RandR extension. Default: no rotation.
    Option N'34'VideoKeyN'34' N'34'integerN'34'
    Set the video color key. Default: a little off full blue.
    Option N'34'ByteSwapN'34' N'34'booleanN'34'
    Turn on byte swapping for capturing using SMI demo board. Default: off.
    Option N'34'InterlacedN'34' N'34'booleanN'34'
    Turn on interlaced video capturing. Default: off.
    Option N'34'UseBIOSN'34' N'34'booleanN'34'
    Use the BIOS to set the modes. This is used for custom panel timings. Default: on.
    Option N'34'ZoomOnLCDN'34' N'34'booleanN'34'
    Allow changing resolution on LCD (Ctrl-Alt-Plus and Ctrl-Alt-Minus). Default: off.
    Option N'34'DualheadN'34' N'34'booleanN'34'
    Enable dualhead mode. Due to hardware limitations, dualhead is limited to depth 16 and to the panel size and timings on both the flat panel and the CRT and the CRT must be to the right of the flat panel. Only lynx chips are supported at the moment. Default: off.

    The following video memory Options are supported:

    Option N'34'set_mclkN'34' N'34'integerN'34'
    sets the memory clock, where integer is in kHz, and integer <= 100000. Default: probe the memory clock value, and use it at server start.

    The following acceleration and graphics engine Options are supported:

    Option N'34'NoAccelN'34'
    Disable acceleration. Very useful for determining if the driver has problems with drawing and acceleration routines. This is the first option to try if your server runs but you see graphic corruption on the screen. Using it decreases performance, as it uses software emulation for drawing operations the video driver can accelerate with hardware. Default: acceleration is enabled.
    Option N'34'fifo_aggressiveN'34'
    Option N'34'fifo_moderateN'34'
    Option N'34'fifo_conservativeN'34'
    alter the settings for the threshold at which the pixel FIFO takes over the internal memory bus to refill itself. The smaller this threshold, the better the acceleration performance of the card. You may try the fastest setting (fifo_aggressive) and move down if you encounter pixel corruption. The optimal setting will probably depend on dot-clock and on color depth. Note that specifying any of these options will also alter other memory settings which may increase performance, so trying fifo_conservative will in most cases be a slight benefit (this uses the chip defaults). If pixel corruption or transient streaking is observed during drawing operations then removing any fifo options is recommended. Default: none.

    The following PCI bus Options are supported:

    Option N'34'pci_burstN'34' N'34'booleanN'34'
    will enable PCI burst mode. This should work on all but a few broken PCI chipsets, and will increase performance. Default: off.
    Option N'34'pci_retryN'34' N'34'booleanN'34'
    will allow the driver to rely on PCI Retry to program the ViRGE registers. pci_burst must be enabled for this to work. This will increase performance, especially for small fills/blits, because the driver does not have to poll the ViRGE before sending it commands to make sure it is ready. It should work on most recent PCI chipsets. Default: off.
    Option N'34'AccelMethodN'34' N'34'stringN'34'
    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, but the rendering code for it is newer and possibly unstable. The default is XAA.

    The following additional Options are supported:

    Option N'34'ShowCacheN'34' N'34'booleanN'34'
    Enable or disable viewing offscreen cache memory. A development debug option. Default: off.

     

    SEE ALSO

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

     

    SUPPORT

    For assistance with this driver, or Xorg in general, check the web site at http://www.x.org/. If you find a problem with Xorg or have a question not answered in the FAQ please use our bug report form available on the web site or send mail to xorg@lists.freedesktop.org. When reporting problems with the driver send as much detail as possible, including chipset type, a server output log, and operating system specifics.

     

    AUTHORS

    Kevin Brosius, Matt Grossman, Harald Koenig, Sebastien Marineau, Mark Vojkovich, Frido Garritsen, Corvin Zahn.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    SUPPORTED HARDWARE
    CONFIGURATION DETAILS
    SEE ALSO
    SUPPORT
    AUTHORS


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