https://bugs.freedesktop.org/show_bug.cgi?id=81382
Alex Deucher changed:
What|Removed |Added
Resolution|--- |FIXED
Status|NEW
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #42 from David Heidelberg (okias) ---
Maybe this bug can be closed?
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--- Comment #41 from Christophe Migliorini ---
Good. Hopefully into 12.04LTS before it's no longer supported :-).
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--- Comment #40 from Alex Deucher ---
(In reply to Alex Deucher from comment #39)
> (In reply to Christophe Migliorini from comment #38)
> > Well, I did, '2014-09-17 15:38 UTC' and '2014-09-17 15:39 UTC' patches apply
> > ok and it works. Sorry
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #39 from Alex Deucher ---
(In reply to Christophe Migliorini from comment #38)
> Well, I did, '2014-09-17 15:38 UTC' and '2014-09-17 15:39 UTC' patches apply
> ok and it works. Sorry for the inconvenience.
> (perhaps one should
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #38 from Christophe Migliorini ---
Well, I did, '2014-09-17 15:38 UTC' and '2014-09-17 15:39 UTC' patches apply ok
and it works. Sorry for the inconvenience.
(perhaps one should
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #37 from Christophe Migliorini ---
Apparently only "set the default backlight level to something reasonable" patch
was applied to 3.13, so I don't have the "radeon_encoder_add_backlight"
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #36 from Alex Deucher ---
Should be fixed in this patch:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b7bc596ebbe0cddc97d76ef9309f64471bbf13eb
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Christophe Migliorini changed:
What|Removed |Added
CC|
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--- Comment #34 from Christophe Migliorini ---
Hi, it took me quite some time to get here, but hopefully you can still solve
my problem.
I'm running a 2006 Intel iMac (Core Duo) under Unbuntu
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #33 from Dieter N?tzel ---
They are in Linus 3.17 tree:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=005f800508eb391480f463dad3d54e5b4ec67d57
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--- Comment #32 from Patrick ---
I've just tested the patches on my notebook, too. Also here, the problem is
fixed, with the patches you provided.
Do you already know, in which upstream versions, the fix will be published?
3.17? Or in an 3.16.x
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #31 from Alex Deucher ---
(In reply to comment #30)
> Created attachment 106554 [details]
> lspci -vnn for Daniel's amilo
You have the same configuration as Patrick.
(In reply to comment #29)
> I tested the patches from 2014-09-17
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #30 from Daniel Kirsten ---
Created attachment 106554
--> https://bugs.freedesktop.org/attachment.cgi?id=106554=edit
lspci -vnn for Daniel's amilo
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--- Comment #29 from Daniel Kirsten ---
I tested the patches from 2014-09-17 against 3.17-rc5.
When I applied both patches, the backlight was not turned off, when the kernel
switched into graphics mode.
The kernel worked very well.
Without
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #28 from Alex Deucher ---
(In reply to comment #26)
> (In reply to comment #25)
>
> The pci-id of the VGA Controller is 01:00.0 for my Amilo.
That's the bus id. I need the output of lspci -vnn
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--- Comment #27 from Alex Deucher ---
They are written against 3.17.
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--- Comment #26 from Daniel Kirsten ---
(In reply to comment #25)
The pci-id of the VGA Controller is 01:00.0 for my Amilo.
However, I cannot apply the patches to the 3.14.18-100.fc19 kernel:
patch --dry-run -p1 <
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #25 from Alex Deucher ---
(In reply to comment #24)
> Apply them both together.
Well, assuming your laptop has the same pci ids as Patrick. If not, just
append radeon.backlight=0 to the kernel command line in grub and attach your
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--- Comment #24 from Alex Deucher ---
Apply them both together.
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--- Comment #23 from Daniel Kirsten ---
I can test the patches from 2014-09-17 on my amilo.
Can I apply them to the current fedora kernel code 3.14.18-100?
Should I apply both patches or test each patch separately?
Daniel
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--- Comment #22 from Patrick ---
Thanks for the patch, but I'm on vacation till 26th September, so long I cannot
test it.
@Daniel
As you've got the same problem, could you test the patches?
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--- Comment #21 from Alex Deucher ---
Created attachment 106442
--> https://bugs.freedesktop.org/attachment.cgi?id=106442=edit
patch 2/2
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--- Comment #20 from Alex Deucher ---
Created attachment 106441
--> https://bugs.freedesktop.org/attachment.cgi?id=106441=edit
patch 1/2
Do the attached patches help? The first patch adds a backlight module
parameter to disable the gpu
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #19 from Patrick ---
Created attachment 106410
--> https://bugs.freedesktop.org/attachment.cgi?id=106410=edit
lspci -vnn for Amilo
sure, here it is
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--- Comment #18 from Alex Deucher ---
Can you attach the lspci -vnn output for your GPU?
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Alex Deucher changed:
What|Removed |Added
Attachment #106354|text/plain |application/octet-stream
mime
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #17 from Patrick ---
(In reply to comment #14)
This could be true. I can control it via
/sys/class/backlight/acpi_video0/brightness. If I change
/sys/class/backlight/radeon_bl0/brightness then the display is nearly black and
cannot
https://bugs.freedesktop.org/show_bug.cgi?id=81382
Patrick changed:
What|Removed |Added
Attachment #106354|from Amilo |vbios from Amilo
description|
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #16 from Patrick ---
Created attachment 106354
--> https://bugs.freedesktop.org/attachment.cgi?id=106354=edit
from Amilo
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--- Comment #15 from Patrick ---
Created attachment 106353
--> https://bugs.freedesktop.org/attachment.cgi?id=106353=edit
lspci output for amilo
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https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #14 from Alex Deucher ---
(In reply to comment #11)
> If I change /sys/class/backlight/radeon_bl0/brightness or
> /sys/class/backlight/acpi_video0 the display stayes dark.
>
> @Alex
> is this what you wanted to know? If not, please
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #13 from Patrick ---
(In reply to comment #12)
Hi Daniel,
correct, before that patch, the display was controllable through
/sys/class/backlight/acpi_video0/brightness.
After that patch, the display is always dark.
The only change
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #12 from Daniel Kirsten ---
(In reply to comment #11)
> I've got the same notebook as Daniel Kirsten,
They sold different Amilo Xi 2550, there are even some Amilo Xi 2550 with
an Nvidia graphic card.
> If I change
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #11 from Patrick ---
I've got the same notebook as Daniel Kirsten, so I've searched for changes in
the kernel code, which caused the dark screen. From that point, I've found the
patch from Alex Deucher and this bug report.
If I
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #10 from Alex Deucher ---
(In reply to comment #7)
> Ok, this fix work, but cause another problem (tested with 3.15.5+patch and
> 3.16.1).
>
> When display goes off, backlight goes off.
> When display goes on, backlight is set to
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #9 from Denys Vlasenko ---
(In reply to comment #7)
> Ok, this fix work, but cause another problem (tested with 3.15.5+patch and
> 3.16.1).
>
> When display goes off, backlight goes off.
> When display goes on, backlight is set to
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #8 from Daniel Kirsten ---
The above patch causes a problem on my Amilo Xi 2550 (RadeonHD 2600).
The behaviour for kernel-3.14.8-100.fc19 (without patch):
The value of /sys/class/backlight/radeon_bl0/brightness is 0.
Whenever I
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--- Comment #7 from David Heidelberger (okias)
---
Ok, this fix work, but cause another problem (tested with 3.15.5+patch and
3.16.1).
When display goes off, backlight goes off.
When display goes on, backlight is set to MAX.
When display goes
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #6 from David Heidelberger (okias)
---
Work perfectly on Toshiba A210-15j!
Tested-by: David Heidelberger
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--- Comment #5 from Alex Deucher ---
Will do.
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--- Comment #4 from Denys Vlasenko ---
(In reply to comment #3)
> Created attachment 102856 [details] [review]
> set the default backlight level to something reasonable
>
> Does this patch help?
Yes, it does.
Maybe add a comment there why
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #3 from Alex Deucher ---
Created attachment 102856
--> https://bugs.freedesktop.org/attachment.cgi?id=102856=edit
set the default backlight level to something reasonable
Does this patch help?
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Alex Deucher changed:
What|Removed |Added
CC||david.heidelberger at ixit.cz
---
https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #1 from Denys Vlasenko ---
Created attachment 102852
--> https://bugs.freedesktop.org/attachment.cgi?id=102852=edit
Debugging messages patch
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