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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_NEW "
title="NEW - CN700 + VT1632 doesn't detect screen on DVI port"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96785">bug 96785</a>
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<table border="1" cellspacing="0" cellpadding="8">
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">CC</td>
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<td>kevinbrace@gmx.com
</td>
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - CN700 + VT1632 doesn't detect screen on DVI port"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96785#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - CN700 + VT1632 doesn't detect screen on DVI port"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96785">bug 96785</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>Hi Xavier,
If you read the log carefully, you can see that I2C bus 3 is seeing VT1632A.
________________________________________________________________________
. . .
[ 380.402] (II) CHROME(0): Entered via_dvi_init.
[ 380.402] (--) CHROME(0): Will probe I2C Bus 3 for a possible external TMDS
transmitter.
[ 380.402] (II) CHROME(0): I2C device "I2C Bus 3:VT1632A" registered at
address 0x10.
[ 380.402] (II) CHROME(0): Entered via_vt1632_probe.
[ 380.404] (II) CHROME(0): Vendor ID: 0x1106
[ 380.409] (II) CHROME(0): Device ID: 0x3192
[ 380.414] (--) CHROME(0): VT1632A DVI transmitter detected.
[ 380.414] (II) CHROME(0): Exiting via_vt1632_probe.
[ 380.414] (II) CHROME(0): Entered via_vt1632_init.
[ 380.418] (II) CHROME(0): VT1632A Dot Clock Range: 25 to 165 MHz
[ 380.418] (II) CHROME(0): Entered via_vt1632_dump_registers.
[ 380.418] (II) CHROME(0): VT1632A: dumping registers:
[ 380.419] (II) CHROME(0): VT1632A: 0x00: 0x06
[ 380.421] (II) CHROME(0): VT1632A: 0x01: 0x11
[ 380.426] (II) CHROME(0): VT1632A: 0x02: 0x92
[ 380.431] (II) CHROME(0): VT1632A: 0x03: 0x31
[ 380.433] (II) CHROME(0): VT1632A: 0x04: 0x00
[ 380.434] (II) CHROME(0): VT1632A: 0x05: 0x00
[ 380.435] (II) CHROME(0): VT1632A: 0x06: 0x19
[ 380.436] (II) CHROME(0): VT1632A: 0x07: 0x64
[ 380.444] (II) CHROME(0): VT1632A: 0x08: 0x3b
[ 380.447] (II) CHROME(0): VT1632A: 0x09: 0x06
[ 380.448] (II) CHROME(0): VT1632A: 0x0a: 0x00
[ 380.449] (II) CHROME(0): VT1632A: 0x0b: 0x00
[ 380.450] (II) CHROME(0): VT1632A: 0x0c: 0x00
[ 380.455] (II) CHROME(0): VT1632A: 0x0d: 0x80
[ 380.457] (II) CHROME(0): VT1632A: 0x0e: 0x00
[ 380.460] (II) CHROME(0): VT1632A: 0x0f: 0x00
[ 380.460] (II) CHROME(0): Exiting via_vt1632_dump_registers.
[ 380.460] (II) CHROME(0): Exiting via_vt1632_init.
. . .
________________________________________________________________________
Furthermore, it is detecting the presence of DVI.
________________________________________________________________________
. . .
[ 380.517] (II) CHROME(0): Entered via_vt1632_detect.
[ 380.520] (II) CHROME(0): VT1632A: DVI device is detected.
[ 380.520] (II) CHROME(0): Exiting via_vt1632_detect.
[ 380.520] (II) CHROME(0): I2C device "I2C Bus 3:ddc2" registered at address
0xA0.
[ 380.529] (II) CHROME(0): EDID for output DVI-1
[ 380.529] (II) CHROME(0): Output VGA-1 disconnected
[ 380.529] (II) CHROME(0): Output TV-1 disconnected
[ 380.529] (II) CHROME(0): Output DVI-1 disconnected
[ 380.529] (WW) CHROME(0): No outputs definitely connected, trying again...
[ 380.529] (II) CHROME(0): Output VGA-1 disconnected
[ 380.530] (II) CHROME(0): Output TV-1 disconnected
[ 380.530] (II) CHROME(0): Output DVI-1 disconnected
[ 380.530] (WW) CHROME(0): Unable to find connected outputs - setting
1024x768 initial framebuffer
. . .
________________________________________________________________________
This appears to be EDID is not being returned properly to the host (i.e., CN700
chipset).
If you have a "true" DVI input monitor, that might be a better equipment to
test against.</pre>
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