modesetting - video driver for framebuffer device


   Section "Device"
     Identifier "devname"
     Driver "modesetting"
     BusID  "pci:bus:dev:func"


   modesetting  is  an  Xorg  driver  for  KMS  devices.   This  is a non-
   accelerated driver, the following framebuffer depths are supported:  8,
   15,  16, 24.  All visual types are supported for depth 8, and TrueColor
   visual is supported for the other depths.  RandR 1.2 is supported.


   The modesetting driver supports all hardware  where  a  KMS  driver  is
   available.   modesetting  uses the Linux DRM KMS ioctls and dumb object


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

   For  this  driver  it  is  not  required to specify modes in the screen
   section of the config file.  The modesetting driver  can  pick  up  the
   currently  used  video  mode  from the kernel driver and will use it if
   there are no video modes configured.

   For PCI boards you might have  to  add  a  BusID  line  to  the  Device
   section.  See above for a sample line.

   The following driver Options are supported:

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

   Option "kmsdev" "string"
          The framebuffer device to use. Default: /dev/dri/card0.

   Option "ShadowFB" "boolean"
          Enable or disable use of the shadow framebuffer layer.  Default:

   Option "AccelMethod" "string"
          One of "glamor" or "none".  Default: glamor

   Option "PageFlip" "boolean"
          Enable DRI3 page flipping.  The default is on.

   Option "ZaphodHeads" "string"
          Specify the RandR output(s)  to  use  with  zaphod  mode  for  a
          particular 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.

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


   Authors include: Dave Airlie


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