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Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Part-of: <https://gitlab.freedesktop.org/xorg/driver/xf86-video-mga/-/merge_requests/16>
This commit is contained in:
Alan Coopersmith
2025-06-01 14:12:09 -07:00
committed by Enrico Weigelt, metux IT consult
parent 823a1b86da
commit 983cff1eb9
1 changed files with 78 additions and 56 deletions
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134
man/mga.man
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@@ -1,8 +1,8 @@
.\" shorthand for double quote that works everywhere.
.ds q \N'34'
.TH mga __drivermansuffix__ __vendorversion__
.TH MGA __drivermansuffix__ 2024-05-14 __vendorversion__
.SH NAME
mga \- Matrox video driver
mga \- Matrox video driver for Xorg
.SH SYNOPSIS
.nf
.B "Section \*qDevice\*q"
@@ -13,27 +13,29 @@ mga \- Matrox video driver
.fi
.SH DESCRIPTION
.B mga
is an __xservername__ driver for Matrox video cards. The driver is fully
accelerated, and provides support for the following framebuffer depths: 8,
15, 16, 24, and an 8+24 overlay mode. All visual types are supported for
depth 8, and both TrueColor and DirectColor visuals are supported for the
other depths except 8+24 mode which supports PseudoColor, GrayScale and
TrueColor. Multi\-card configurations are supported. XVideo is supported
on G200 and newer systems, with either
is an Xorg driver for Matrox video cards.
The driver is fully accelerated,
and provides support for the following framebuffer depths:
8, 15, 16, 24, and an 8+24 overlay mode.
All visual types are supported for depth 8,
and both TrueColor and DirectColor visuals are supported for the other depths,
except 8+24 mode which supports PseudoColor, GrayScale, and TrueColor.
Multi\-card configurations are supported.
XVideo is supported on G200 and newer systems, with either
.B TexturedVideo
or video overlay. The second head of dual\-head cards is supported for the
G450 and G550.
or video overlay.
The second head of dual-head cards is supported for the G450 and G550.
.SH "SUPPORTED HARDWARE"
The
.B mga
driver supports PCI and AGP video cards based on the following Matrox
chips. They are listed in approximate chronological order of production
driver supports PCI and AGP video cards based on the following Matrox chips.
They are listed in approximate chronological order of production
(with the most recent chipsets listed last), so consult this list when you
are unsure whether your card is meant when references are made to \(oqG200
and later\(cq chips, for example.
.TP
.B MGA2064W
.TP
.TQ
.B MGA1064SG
Mystique
.TP
@@ -48,19 +50,20 @@ Millennium G200 and Mystique G200
.TP
.B G400
Millennium G400, Millennium G400 MAX, Millennium G450, and Marvel G450 eTV
.TP
.TP
.B G550
Millennium G550 and Millennium G550 Dual DVI
.SH "CONFIGURATION DETAILS"
Please refer to __xconfigfile__(__filemansuffix__) for general configuration
details. This section only covers configuration details specific to this
driver.
Please refer to
.BR xorg.conf (__filemansuffix__)
for general configuration details.
This section only covers configuration details specific to this driver.
.PP
The driver auto\-detects the chipset type, but the following
The driver auto-detects the chipset type, but the following
.B ChipSet
names may optionally be specified in the config file
.B \*qDevice\*q
section, and will override the auto\-detection:
section, and will override the auto-detection:
.PP
.RS 4
"mga2064w", "mga1064sg", "mga2164w", "mga2164w agp", "mgag100", "mgag200",
@@ -69,10 +72,11 @@ section, and will override the auto\-detection:
.PP
The G450 is Chipset "mgag400" with ChipRev 0x80.
.PP
The driver will auto\-detect the amount of video memory present for all
chips except the Millennium II. In the Millennium II case it defaults
to 4096\ kBytes. When using a Millennium II, the actual amount of video
memory should be specified with a
The driver will auto-detect the amount of video memory present for all
chips except the Millennium II.
In the Millennium II case it defaults to 4096\ kBytes.
When using a Millennium II,
the actual amount of video memory should be specified with a
.B VideoRam
entry in the config file
.B \*qDevice\*q
@@ -84,57 +88,71 @@ are supported:
.TP
.BI "Option \*qColorKey\*q \*q" integer \*q
Set the colormap index used for the transparency key for the depth 8 plane
when operating in 8+24 overlay mode. The value must be in the range
2\-255. Default: 255.
when operating in 8+24 overlay mode.
The value must be in the range 2\(en255.
Default: 255.
.TP
.BI "Option \*qHWCursor\*q \*q" boolean \*q
Enable or disable the HW cursor. Default: on.
Enable or disable the HW cursor.
Default: on.
.TP
.BI "Option \*qMGASDRAM\*q \*q" boolean \*q
Specify whether G100, G200 or G400 cards have SDRAM. The driver attempts to
auto\-detect this based on the card's PCI subsystem ID. This option may
be used to override that auto\-detection. The
Specify whether G100, G200 or G400 cards have SDRAM.
The driver attempts to auto-detect this based on the card's PCI subsystem ID.
This option may be used to override that auto-detection.
The
.B mga
driver is not able to auto\-detect the presence of of SDRAM on secondary
driver is not able to auto-detect the presence of of SDRAM on secondary
heads in multihead configurations so this option will often need to be
specified in multihead configurations. Default: auto\-detected.
specified in multihead configurations.
Default: auto-detected.
.TP
.BI "Option \*qNoAccel\*q \*q" boolean \*q
Disable or enable acceleration. Default: acceleration is enabled.
Disable or enable acceleration.
Default: acceleration is enabled.
.TP
.BI "Option \*qAccelMethod\*q \*q" "string" \*q
Chooses between available acceleration architectures. The only valid options is
Chooses between available acceleration architectures.
The only valid option is
.BR EXA .
XAA was the traditional acceleration architecture, but support for it has been
removed from the X server and this driver.
XAA was the traditional acceleration architecture,
but support for it has been removed from the X server and this driver.
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
the Render and Composite extensions,
but the rendering code for it is newer and possibly unstable.
The default is
.BR EXA .
.TP
.BI "Option \*qOverclockMem\*q"
Set clocks to values used by some commercial X Servers (G100, G200 and G400
only). Default: off.
.B "Option \*qOverclockMem\*q"
Set clocks to values used by some commercial X Servers
(G100, G200 and G400 only).
Default: off.
.TP
.BI "Option \*qPciRetry\*q \*q" boolean \*q
Enable or disable PCI retries. Default: off.
Enable or disable PCI retries.
Default: off.
.TP
.BI "Option \*qRotate\*q \*qCW\*q"
.TP
.BI "Option \*qRotate\*q \*qCCW\*q"
Rotate the display clockwise or counterclockwise. This mode is unaccelerated.
.B "Option \*qRotate\*q \*qCW\*q"
.TQ
.B "Option \*qRotate\*q \*qCCW\*q"
Rotate the display clockwise or counterclockwise.
This mode is unaccelerated.
Default: no rotation.
.TP
.BI "Option \*qShadowFB\*q \*q" boolean \*q
Enable or disable use of the shadow framebuffer layer. Default: off.
Enable or disable use of the shadow framebuffer layer.
Default: off.
.TP
.BI "Option \*qSyncOnGreen\*q \*q" boolean \*q
Enable or disable combining the sync signals with the green signal.
Default: off.
.TP
.BI "Option \*qUseFBDev\*q \*q" boolean \*q
Enable or disable use of on OS\-specific fb interface (and is not supported
on all OSs). See fbdevhw(__drivermansuffix__) for further information.
Enable or disable use of an OS\-specific fb interface (and is not supported
on all OSs).
See
.BR fbdevhw (__drivermansuffix__)
for further information.
Default: off.
.TP
.BI "Option \*qVideoKey\*q \*q" integer \*q
@@ -143,24 +161,28 @@ Default: undefined.
.TP
.BI "Option \*qTexturedVideo\*q \*q" boolean \*q
This has XvImage support use the texture engine rather than the video
overlay. This option is only supported by G200 and later chips, and only
at 16 and 32 bits per pixel.
overlay.
This option is only supported by G200 and later chips,
and only at 16 and 32 bits per pixel.
Default: off.
.TP
.BI "Option \*qOldDmaInit\*q \*q" boolean \*q
This forces the driver to use the old DMA initialization path for DRI.
Use this option only to support a older version of the DRI driver with
a newer DRM (version 3.2 or later). This option also disables the use
of direct rendering on PCI cards.
a newer DRM (version 3.2 or later).
This option also disables the use of direct rendering on PCI cards.
Default: off.
.TP
.BI "Option \*qForcePciDma\*q \*q" boolean \*q
This forces the use of PCI DMA even if AGP DMA could be used. This
option is primarily intended for testing purposes, but it could also
This forces the use of PCI DMA even if AGP DMA could be used.
This option is primarily intended for testing purposes, but it could also
be used on systems with a buggy or poorly function AGP implementation.
Default: off.
.SH "SEE ALSO"
__xservername__(__appmansuffix__), __xconfigfile__(__filemansuffix__), Xserver(__appmansuffix__), X(__miscmansuffix__)
.BR Xorg (__appmansuffix__),
.BR xorg.conf (__filemansuffix__),
.BR Xserver (__appmansuffix__),
.BR X (__miscmansuffix__)
.SH AUTHORS
Authors include: Radoslaw Kapitan, Mark Vojkovich, and also David Dawes, Guy
Desbief, Dirk Hohndel, Doug Merritt, Andrew E. Mileski, Andrew van der Stock,