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devg-smi7xx.so

Graphics driver for Silicon Motion Lynx chipset

Syntax:

io-display [-vf]
           -d vid=[0x]vendor_id,did=[0x]device_id[,deviceindex=index]
           [-c config_file] [-p priority]

Runs on:

Neutrino

Targets:

ARMLE, MIPS, PowerPC, x86, SH4

Options:

For the general io-display options that you can use with this driver, see io-display.

You can set configuration options that are specific to this driver by using the modeopts setting in display.conf:

modeopts=config-file
The full path to the configuration file for this driver. For example smi7xx.conf is located in /usr/photon/config by default so that modeopts=/usr/photon/config/smi7xx.conf.

Description:

The devg-smi7xx.so driver provides accelerated 2D support for the specified graphics chipset.

You can edit the configuration file to enable devg-smi7xx.so to run on your board. Follow the editing instructions in the sample file, /usr/photon/config/smi7xx.conf, to specify the correct configuration for the required display mode. (For a more detailed explanation of the display settings, see the appropriate Silicon Motion documentation.)

If you use a configuration file for this driver, you must use the modeopts option in your display.conf to specify its location.

Supported chipsets

Acceleration features

Feature Provision
Solid fills Yes
Pattern fills No
Onscreen blitting Yes
Offscreen blitting Yes
Chroma-keyed blitting Yes
Alpha blending No
Raster OPs Full

Video Overlay/Scaler support

Feature Provision
YUV formats Yes
RGB formats Yes
Up scaling Yes
Down scaling No

Other features

Feature Provision
Hardware Cursor Yes
TV Out No
Video capture No
DPMS (power saving) Yes
Layer Support 3 layers
Dual display No

Resolution and refresh support

Display size (pixels) Refresh rate(Hz) Color depth (bits per pixel)
640x480 60 8, 15, 16, 24
800x600 60 8, 15, 16, 24a
1024x768 60 8, 15, 16, 24a

a Requires a driver configuration file for non-x86 systems.

Restrictions:

Files:

This driver needs the following at run time:

libffb.so
Software rasterization library.

See also:

io-display

/usr/photon/config/smi7xx.conf


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