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<DIV><FONT size=2>Hi,</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>The attached is the log with kernel option
"drm.debug=0xe".</FONT></DIV>
<DIV><FONT size=2>After booting into desktop with kernel 3.8-rc2, plugin
the HDMI, the HDMI screen display OK, but the LVDS is not. </FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>Rgds,</FONT></DIV>
<DIV><FONT size=2>Lawson</DIV>
<DIV><BR></DIV></FONT>
<BLOCKQUOTE
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<DIV style="FONT: 9pt 宋体">----- Original Message ----- </DIV>
<DIV style="FONT: 9pt 宋体; BACKGROUND: #e4e4e4; font-color: black"><B>From:</B>
<A title=lawsonlu@linpus.com href="mailto:lawsonlu@linpus.com">lawsonlu</A>
</DIV>
<DIV style="FONT: 9pt 宋体"><B>To:</B> <A title=intel-gfx@lists.freedesktop.org
href="mailto:intel-gfx@lists.freedesktop.org">intel-gfx@lists.freedesktop.org</A>
</DIV>
<DIV style="FONT: 9pt 宋体"><B>Sent:</B> Monday, January 14, 2013 3:53 PM</DIV>
<DIV style="FONT: 9pt 宋体"><B>Subject:</B> [HSW issue] Can not turn on LVDS
panel with kernel 3.8-rc2 on some ivybridge NB</DIV>
<DIV><BR></DIV>
<DIV><FONT size=2>Hi,</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>I use kernel 3.8-rc2 with haswell support in currently linux
os, but the kernel will cause black screen on LVDS panel, and the eDP panel is
right.</FONT></DIV>
<DIV><FONT size=2>
<DIV><FONT size=2>Another word, the haswell patch in kernel 3.8 can not turn
on LVDS panel on some sample. Can anybody help me for this
issue?</FONT></DIV></FONT></DIV>
<DIV><FONT size=2>The test platform hardware spec as the following
table.</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2></FONT> </DIV><FONT size=2>
<DIV>
<TABLE border=1 cellSpacing=0 borderColorLight=#333333 borderColorDark=#ffffff
cellPadding=1 width=480 bgColor=#ffffff>
<TBODY>
<TR>
<TD> CPU </TD>
<TD> Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz</TD></TR>
<TR>
<TD> Platform </TD>
<TD> Intel Ivybridge Chipset</TD></TR>
<TR>
<TD> RAM</TD>
<TD> 6 GB DDR3</TD></TR>
<TR>
<TD> HDD</TD>
<TD> Hitachi HTS543232A7A384 ( 320.1 GB)</TD></TR>
<TR>
<TD> </TD>
<TD><FONT size=2></FONT></TD></TR>
<TR>
<TD> VGA</TD>
<TD> Intel Corporation Device [8086:0166] (rev 08)</TD></TR>
<TR>
<TD> </TD>
<TD> </TD></TR>
<TR>
<TD> Audio </TD>
<TD> Intel Corporation Panther Point High Definition Audio
Controller [8086:1e20] (rev 04)</TD></TR>
<TR>
<TD> Audio codec </TD>
<TD> Codec:Codec: Realtek ALC269VB<BR> Vendor
ID:0x10ec0269<BR> Subsystem ID:0x1025064b<BR> Revision
ID:0x100100</TD></TR></TBODY></TABLE></DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>Rgds,</DIV>
<DIV>Lawson</DIV></FONT>
<DIV><FONT size=2></FONT> </DIV></BLOCKQUOTE></BODY></HTML>