* Fw: [Bugme-new] [Bug 4000] New: Laptop Panel gets black on switch to frame buffer device 175x65
@ 2005-01-06 16:19 Andrew Morton
2005-01-14 4:33 ` Benjamin Herrenschmidt
0 siblings, 1 reply; 2+ messages in thread
From: Andrew Morton @ 2005-01-06 16:19 UTC (permalink / raw)
To: linux-fbdev-devel, Benjamin Herrenschmidt
Begin forwarded message:
Date: Thu, 6 Jan 2005 04:14:39 -0800
From: bugme-daemon@osdl.org
To: bugme-new@lists.osdl.org
Subject: [Bugme-new] [Bug 4000] New: Laptop Panel gets black on switch to frame buffer device 175x65
http://bugme.osdl.org/show_bug.cgi?id=4000
Summary: Laptop Panel gets black on switch to frame buffer device
175x65
Kernel Version: 2.6.10
Status: NEW
Severity: normal
Owner: jsimmons@infradead.org
Submitter: mborgelt@compuserve.de
Distribution: Debian unstable
Hardware Environment:
Acer extensa 2902LMi Laptop
ATI mobility Radeon 9700
0000:01:00.0 VGA compatible controller: ATI Technologies Inc RV350 [Mobility
Radeon 9600 M10]
Software Environment:
Problem Description:
Laptop Panel gets black on switch to frame buffer device 175x65.
Even starting Xfree won't give me a Signal on the Panel.
With Kernel 2.6.9 it works. Only 1 out of 10 reboots fail.
Steps to reproduce:
Panel will work after a few reboots.
There are no differences in logfiles from a faild boot and a succesfull boot.
I will compile a Kernel with radeonfb debuging turnd on this evening and see if
I get any clou's from the debug output.
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Fw: [Bugme-new] [Bug 4000] New: Laptop Panel gets black on switch to frame buffer device 175x65
2005-01-06 16:19 Fw: [Bugme-new] [Bug 4000] New: Laptop Panel gets black on switch to frame buffer device 175x65 Andrew Morton
@ 2005-01-14 4:33 ` Benjamin Herrenschmidt
0 siblings, 0 replies; 2+ messages in thread
From: Benjamin Herrenschmidt @ 2005-01-14 4:33 UTC (permalink / raw)
To: Andrew Morton; +Cc: Linux Fbdev development list
On Thu, 2005-01-06 at 08:19 -0800, Andrew Morton wrote:
>
> Begin forwarded message:
>
> Date: Thu, 6 Jan 2005 04:14:39 -0800
> From: bugme-daemon@osdl.org
> To: bugme-new@lists.osdl.org
> Subject: [Bugme-new] [Bug 4000] New: Laptop Panel gets black on switch to frame buffer device 175x65
It would be useful to toy a bit with the panel power delay and other
LVDS_GEN_CNTL related bits. The proper sequence for manipulating those
has never been fully documented by ATI afaik...
Ben.
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^ permalink raw reply [flat|nested] 2+ messages in thread
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2005-01-06 16:19 Fw: [Bugme-new] [Bug 4000] New: Laptop Panel gets black on switch to frame buffer device 175x65 Andrew Morton
2005-01-14 4:33 ` Benjamin Herrenschmidt
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