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`devg-smi5xx.so`

Graphics driver for Silicon Motion SM501 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, MIPSLE, PowerPC, SHLE, x86

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 the driver. For example smi5xx.conf is located in /usr/photon/config by default so that modeopts=/usr/photon/config/smi5xx.conf.

Description:

The devg-smi5xx.so driver provides accelerated 2D support for the Silicon Motion SM501 graphics chip.

You can edit the configuration file to enable devg-smi5xx.so to run on your board. Follow the editing instructions in the sample file, /usr/photon/config/smi5xx.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 setting in your display.conf to specify its location.

Supported chipsets

Silicon Motion SM501 (Voyager GX)

Acceleration features

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

Video Overlay/Scaler support

Feature	Provision
YUV formats	Yes
RGB formats	Yes
Up scaling	Yes
Down scaling	Yes

Other features

Feature	Provision
Hardware Cursor	Yes
TV Out	No
Video capture	No
DPMS (power saving)	Yes
Layers supported	4
Dual display	Yes

Resolution and refresh support

Display size (pixels):	Refresh rate(Hz):	Color depth (bits
640x480	60	8, 16, 32
800x600	60	8, 16, 32^a
1024x768	60	8, 16, 32^a

^a Requires a driver configuration file.

You can use the driver configuration file to configure other resolutions and refresh rates.

Files:

This driver needs the following at run time:

libffb.so: Software rasterization library.