s3fb: add DDC support

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Add I2C support for the DDC bus and also default mode initialization by
reading monitor EDID to the s3fb driver.

Tested on Trio64V+ (2 cards), Trio64V2/DX, Virge (3 cards),
Virge/DX (3 cards), Virge/GX2, Trio3D/2X (4 cards), Trio3D.

Will probably not work on Trio32 - my 2 cards have DDC support in BIOS that
looks different from the other cards but the DDC pins on the VGA connector
are not connected.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

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This commit is contained in:

Ondrej Zary 2011-04-18 10:14:57 +00:00 • committed by Paul Mundt

parent 6e4b26805a

commit 86c0f043a7

2 changed files with 209 additions and 5 deletions

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8

drivers/video/Kconfig

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206

drivers/video/s3fb.c

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