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<body><span class="vcard"><a class="email" href="mailto:kevinbrace@gmx.com" title="Kevin Brace <kevinbrace@gmx.com>"> <span class="fn">Kevin Brace</span></a>
</span> changed
<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - No signal to monitor with X and openchrome using VX855 chipset graphics"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91966">bug 91966</a>
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<th>What</th>
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<td style="text-align:right;">Attachment #121871 is obsolete</td>
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<td>1
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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - No signal to monitor with X and openchrome using VX855 chipset graphics"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91966#c198">Comment # 198</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - No signal to monitor with X and openchrome using VX855 chipset graphics"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91966">bug 91966</a>
from <span class="vcard"><a class="email" href="mailto:kevinbrace@gmx.com" title="Kevin Brace <kevinbrace@gmx.com>"> <span class="fn">Kevin Brace</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=121872" name="attach_121872" title="Using I2C bus 2 to detect a VGA monitor">attachment 121872</a> <a href="attachment.cgi?id=121872&action=edit" title="Using I2C bus 2 to detect a VGA monitor">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=91966&attachment=121872'>[review]</a>
Using I2C bus 2 to detect a VGA monitor
Previously, it was assumed that only I2C bus 1 is used to detect a VGA
monitor. I2C bus 2 is typically used to detect a DVI monitor via a DVI
connector. However, for devices with a DVI-I connector, VGA signals come
out of the connector as well. What this means is that I2C bus 2 also has
to be used to detect a VGA monitor, in addition to I2C bus 1. Furthermore,
EDID obtained from the monitor via I2C bus will be used to determine whether
or not it is an analog type (i.e., VGA monitor).
Reported-by: Christopher <<a href="mailto:laserhawk64@gmail.com">laserhawk64@gmail.com</a>>
Signed-off-by: Kevin Brace <<a href="mailto:kevinbrace@gmx.com">kevinbrace@gmx.com</a>></pre>
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