siliconmotion man page on CentOS

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siliconmotion(4)					      siliconmotion(4)

NAME
       siliconmotion - Silicon Motion video driver

SYNOPSIS
       Section "Device"
	 Identifier "devname"
	 Driver "siliconmotion"
	 ...
	 [ 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

       Cougar3DR   SM730

CONFIGURATION DETAILS
       Please  refer to xorg.conf(5x) 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 "Device" section,
       and will override the auto-detection:

	   "lynx",  "lynxe",   "lynx3d",   "lynxem",   "lynxem+",   "lynx3dm",
	   "cougar3dr".

       The following Cursor Options are supported:

       Option "HWCursor" "boolean"
	      Enable or disable the HW cursor.	Default: on.

       Option "SWCursor" "boolean"
	      Inverse of "HWCursor".  Default: off.

       The following display Options are supported:

       Option "ShadowFB" "boolean"
	      Use shadow framebuffer.  Default: off.

       Option "Rotate" "CW"

       Option "Rotate" "CCW"
	      Rotate  the  screen  CW  - clockwise or CCW - counter clockwise.
	      Uses ShadowFB.  Default: no rotation.

       Option "VideoKey" "integer"
	      Set the video color key.	Default: a little off full blue.

       Option "ByteSwap" "boolean"
	      Turn on byte  swapping  for  capturing  using  SMI  demo	board.
	      Default: off.

       Option "Interlaced" "boolean"
	      Turn on interlaced video capturing.  Default: off.

       Option "UseBIOS" "boolean"
	      Use  the	BIOS  to  set the modes. This is used for custom panel
	      timings.	Default: on.

       Option "ZoomOnLCD" "boolean"
	      Allow changing resolution on LCD	(Ctrl-Alt-Plus	and  Ctrl-Alt-
	      Minus).  Default: off.

       The following video memory Options are supported:

       Option "set_mclk" "integer"
	      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 "NoAccel"
	      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 "fifo_aggressive"

       Option "fifo_moderate"

       Option "fifo_conservative"
	      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_conser‐
	      vative 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 "pci_burst" "boolean"
	      will  enable  PCI	 burst mode. This should work on all but a few
	      broken PCI chipsets, and will  increase  performance.   Default:
	      off.

       Option "pci_retry" "boolean"
	      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	 send‐
	      ing it commands to make sure it is ready. It should work on most
	      recent PCI chipsets.  Default: off.

       The following additional Options are supported:

       Option "ShowCache" "boolean"
	      Enable or disable viewing offscreen cache memory.	 A development
	      debug option.  Default: off.

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

SUPPORT
       For assistance with this driver, or Xorg in general, check the Xorg 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 avail‐
       able on the web site.  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.

X Version 11		xf86-video-siliconmotion 1.4.1	      siliconmotion(4)
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