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savage - S3 Savage video driver
savage is an XFree86 driver for the S3 Savage family video
accelerator chips. The savage driver supports PCI and AGP boards with the
Please refer to XF86Config(5)
for general configuration details. This section only covers configuration
details specific to this driver.
- (8a20 and 8a21)
- (8c10 and 8c11)
- (8c12 and 8c13)
- ProSavage PM133
- ProSavage KM133
The following driver Options are supported:
Authors include Tim Roberts (firstname.lastname@example.org)
and Ani Joshi (email@example.com) for the 4.0 version, and Tim Roberts and
S. Marineau for the 3.3 driver from which this was derived.
- Option "HWCursor" "boolean"
- Option "SWCursor" "boolean"
- These two options
interact to specify hardware or software cursor. If the SWCursor option
is specified, any HWCursor setting is ignored. Thus, either "HWCursor off"
or "SWCursor on" will force the use of the software cursor. On Savage/MX
and Savage/IX chips which are connected to LCDs, a software cursor will
be forced, because the Savage hardware cursor does not correctly track
the automatic panel expansion feature. Default: hardware cursor.
- Option "NoAccel"
- Disable or enable acceleration. Default: acceleration is enabled.
- Option "Rotate" "CW"
- Option "Rotate" "CCW"
- Rotate the desktop 90 degrees
clockwise or counterclockwise. This option forces the ShadowFB option
on, and disables acceleration. Default: no rotation.
- Option "ShadowFB" "boolean"
- Enable or disable use of the shadow framebuffer layer. See shadowfb(4)
for further information. This option disables acceleration. Default: off.
- Option "UseBIOS" "boolean"
- Enable or disable use of the video BIOS to change
modes. Ordinarily, the savage driver tries to use the video BIOS to do
mode switches. This generally produces the best results with the mobile
chips (/MX and /IX), since the BIOS knows how to handle the critical but
unusual timing requirements of the various LCD panels supported by the
chip. To do this, the driver searches through the BIOS mode list, looking
for the mode which most closely matches the XF86Config mode line. Some
purists find this scheme objectionable. If you would rather have the savage
driver use your mode line timing exactly, turn off the UseBios option.
Default: on (use the BIOS).
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