[ltp] Can bot use Fn+F7 to switch LCD/CRT on Thinkpad X60s

gulfstream linux-thinkpad@linux-thinkpad.org
Tue, 5 Dec 2006 23:04:50 +0800


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I can not use fn+f7 to switch outputs when bios or grub is up. It is so
strange if the bios does not support output switching, because the output
switching is import to laptop.

gulfstream


2006/12/5, Alex Deucher <alexdeucher@gmail.com>:
>
> On 12/5/06, gulfstream <gulfstream.wang@gmail.com> wrote:
> > Oh, how to solve this problem with intel graphics card?
>
> It may not be possible.  Are you able to use fn-f7 to switch outputs
> when just the bios or grub is up?  If not, I suspect your bios doesn't
> support output switching.
>
> Alex
>
> >
> > 2006/12/5, Alex Deucher <alexdeucher@gmail.com>:
> > > On 12/5/06, Richard Neill <rn214@hermes.cam.ac.uk> wrote:
> > > >
> > > >
> > > > gulfstream wrote:
> > > > > I want to switch lcd/crt in X window and tty, but xorg.conf is
> useful
> > to
> > > > > xorg. How to do if I want to switch lcd/crt in tty?
> > > >
> > > > You still need something like:
> > > >
> > > > Section "Device"
> > > >     ...
> > > >     Option "BiosHotKeys" "on"      #Enable Fn-F7 for switching
> between
> > > > CRT,LCD,Both.
> > > > EndSection
> > > >
> > >
> > >
> > > This option only applies to the radeon driver.
> > >
> > > Alex
> > >
> > >
> > > >
> > > > Some of the video drivers don't pay attention to Fn-F7 by default.
> > > > Besides which, even if you are currently looking at a tty, you are
> still
> > > > using the xorg video driver [unless you use the vesa or framebuffer
> > driver].
> > > >
> > > > Root cause of problem: xorg isn't just a GUI, it also overlaps with
> the
> > > > kernel, and contains hardware drivers. Notably, the video drivers
> are
> > > > (mainly) in X, not the kernel.
> > > >
> > > >
> > > > Richard
> > > >
> > > >
> > > > >
> > > > >
> > > > > gulfstream
> > > > >
> > > > > 2006/12/5, Richard Neill < rn214@hermes.cam.ac.uk
> > > > > <mailto:rn214@hermes.cam.ac.uk>>:
> > > > >
> > > > >       gulfstream wrote:
> > > > >      > I have use ibm_acpi module in my kernel( 2.6.18), and I can
> use
> > > > >     Fn+F4 to
> > > > >      > suspend to RAM and Fn+F12 to suspend to disk. But the
> system do
> > not
> > > > >      > respond to Fn+F7, so I can not switch the LCD and external
> CRT.
> > > > >      > Moreover, when I run "echo video_switch >
> /proc/acpi/ibm/video"
> > > > >     in the
> > > > >      > terminal, no any respond. How to solve this matter?
> > > > >      >
> > > > >      > My laptop is Thinkpad X60s with Intel 945GM graphics
> chipsets.
> > The
> > > > >      > system is Debian etch with tpb installed.
> > > > >      >
> > > > >
> > > > >
> > > > >     At least on some machines, it's necessary to enable a flag in
> > xorg.conf,
> > > > >     iirc: EnableBiosHotKeys.  Read  man `your-Xorg-driver`.
> > > > >
> > > > >     HTH,
> > > > >
> > > > >     Richard
> > > > >     --
> > > > >     The linux-thinkpad mailing list home page is at:
> > > > >
> > http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
> > > > >
> > > > >
> > > > --
> > > > The linux-thinkpad mailing list home page is at:
> > > >
> > http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
> > > >
> > > --
> > > The linux-thinkpad mailing list home page is at:
> > >
> > http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
> > >
> >
> >
> --
> The linux-thinkpad mailing list home page is at:
> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
>

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I can not use fn+f7 to switch outputs when bios or grub is up. It is so strange if the bios does not support output switching, because the output switching is import to laptop.<br><br>gulfstream<br><br><br> <div><span class="gmail_quote">
2006/12/5, Alex Deucher &lt;<a href="mailto:alexdeucher@gmail.com">alexdeucher@gmail.com</a>&gt;:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
On 12/5/06, gulfstream &lt;<a href="mailto:gulfstream.wang@gmail.com">gulfstream.wang@gmail.com</a>&gt; wrote:<br>&gt; Oh, how to solve this problem with intel graphics card?<br><br>It may not be possible.&nbsp;&nbsp;Are you able to use fn-f7 to switch outputs
<br>when just the bios or grub is up?&nbsp;&nbsp;If not, I suspect your bios doesn't<br>support output switching.<br><br>Alex<br><br>&gt;<br>&gt; 2006/12/5, Alex Deucher &lt;<a href="mailto:alexdeucher@gmail.com">alexdeucher@gmail.com
</a>&gt;:<br>&gt; &gt; On 12/5/06, Richard Neill &lt;<a href="mailto:rn214@hermes.cam.ac.uk">rn214@hermes.cam.ac.uk</a>&gt; wrote:<br>&gt; &gt; &gt;<br>&gt; &gt; &gt;<br>&gt; &gt; &gt; gulfstream wrote:<br>&gt; &gt; &gt; &gt; I want to switch lcd/crt in X window and tty, but 
xorg.conf is useful<br>&gt; to<br>&gt; &gt; &gt; &gt; xorg. How to do if I want to switch lcd/crt in tty?<br>&gt; &gt; &gt;<br>&gt; &gt; &gt; You still need something like:<br>&gt; &gt; &gt;<br>&gt; &gt; &gt; Section &quot;Device&quot;
<br>&gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; ...<br>&gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; Option &quot;BiosHotKeys&quot; &quot;on&quot;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#Enable Fn-F7 for switching between<br>&gt; &gt; &gt; CRT,LCD,Both.<br>&gt; &gt; &gt; EndSection<br>&gt; &gt; &gt;<br>&gt; &gt;
<br>&gt; &gt;<br>&gt; &gt; This option only applies to the radeon driver.<br>&gt; &gt;<br>&gt; &gt; Alex<br>&gt; &gt;<br>&gt; &gt;<br>&gt; &gt; &gt;<br>&gt; &gt; &gt; Some of the video drivers don't pay attention to Fn-F7 by default.
<br>&gt; &gt; &gt; Besides which, even if you are currently looking at a tty, you are still<br>&gt; &gt; &gt; using the xorg video driver [unless you use the vesa or framebuffer<br>&gt; driver].<br>&gt; &gt; &gt;<br>&gt; &gt; &gt; Root cause of problem: xorg isn't just a GUI, it also overlaps with the
<br>&gt; &gt; &gt; kernel, and contains hardware drivers. Notably, the video drivers are<br>&gt; &gt; &gt; (mainly) in X, not the kernel.<br>&gt; &gt; &gt;<br>&gt; &gt; &gt;<br>&gt; &gt; &gt; Richard<br>&gt; &gt; &gt;<br>
&gt; &gt; &gt;<br>&gt; &gt; &gt; &gt;<br>&gt; &gt; &gt; &gt;<br>&gt; &gt; &gt; &gt; gulfstream<br>&gt; &gt; &gt; &gt;<br>&gt; &gt; &gt; &gt; 2006/12/5, Richard Neill &lt; <a href="mailto:rn214@hermes.cam.ac.uk">rn214@hermes.cam.ac.uk
</a><br>&gt; &gt; &gt; &gt; &lt;mailto:<a href="mailto:rn214@hermes.cam.ac.uk">rn214@hermes.cam.ac.uk</a>&gt;&gt;:<br>&gt; &gt; &gt; &gt;<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; gulfstream wrote:<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&gt; I have use ibm_acpi module in my kernel( 
2.6.18), and I can use<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; Fn+F4 to<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&gt; suspend to RAM and Fn+F12 to suspend to disk. But the system do<br>&gt; not<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&gt; respond to Fn+F7, so I can not switch the LCD and external CRT.
<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&gt; Moreover, when I run &quot;echo video_switch &gt; /proc/acpi/ibm/video&quot;<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; in the<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&gt; terminal, no any respond. How to solve this matter?
<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&gt;<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&gt; My laptop is Thinkpad X60s with Intel 945GM graphics chipsets.<br>&gt; The<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&gt; system is Debian etch with tpb installed.<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&gt;
<br>&gt; &gt; &gt; &gt;<br>&gt; &gt; &gt; &gt;<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; At least on some machines, it's necessary to enable a flag in<br>&gt; xorg.conf,<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; iirc: EnableBiosHotKeys.&nbsp;&nbsp;Read&nbsp;&nbsp;man `your-Xorg-driver`.
<br>&gt; &gt; &gt; &gt;<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; HTH,<br>&gt; &gt; &gt; &gt;<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; Richard<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; --<br>&gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; The linux-thinkpad mailing list home page is at:<br>
&gt; &gt; &gt; &gt;<br>&gt; <a href="http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad">http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad</a><br>&gt; &gt; &gt; &gt;<br>&gt; &gt; &gt; &gt;<br>
&gt; &gt; &gt; --<br>&gt; &gt; &gt; The linux-thinkpad mailing list home page is at:<br>&gt; &gt; &gt;<br>&gt; <a href="http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad">http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
</a><br>&gt; &gt; &gt;<br>&gt; &gt; --<br>&gt; &gt; The linux-thinkpad mailing list home page is at:<br>&gt; &gt;<br>&gt; <a href="http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad">http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
</a><br>&gt; &gt;<br>&gt;<br>&gt;<br>--<br>The linux-thinkpad mailing list home page is at:<br><a href="http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad">http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
</a><br></blockquote></div><br>

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