https://bugzilla.kernel.org/show_bug.cgi?id=73901
Pali Roh?r changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://bugzilla.kernel.org/show_bug.cgi?id=73901
--- Comment #16 from Pali Roh?r ---
My bad, I'm using tlp which calling:
$ echo on > /sys/bus/pci/devices/:01:00.0/power/control
when notebook is running on ac. And this prevent runpm to work correctly. After
I blacklisted radeon card in tlp
https://bugzilla.kernel.org/show_bug.cgi?id=73901
--- Comment #15 from Pali Roh?r ---
Now I tested this patch with 3.15-rc2 kernel and no kernel crash with runpm=1
anymore...
But there is another problem, runpm=1 somehow not working correctly. It does
not poweroff radeon card when it is not
https://bugzilla.kernel.org/show_bug.cgi?id=73901
--- Comment #14 from Alex Deucher ---
(In reply to Pali Roh?r from comment #13)
> (In reply to Alex Deucher from comment #11)
> > Created attachment 132311 [details]
> > avoid a possible crash when runpm is forced on non-ATPX systems
> >
> > Fix
https://bugzilla.kernel.org/show_bug.cgi?id=73901
--- Comment #13 from Pali Roh?r ---
(In reply to Alex Deucher from comment #11)
> Created attachment 132311 [details]
> avoid a possible crash when runpm is forced on non-ATPX systems
>
> Fix runpm=1 handling on non-PX systems.
It is not
https://bugzilla.kernel.org/show_bug.cgi?id=73901
--- Comment #12 from Pali Roh?r ---
(In reply to Alex Deucher from comment #10)
> Created attachment 132301 [details]
> fix ATPX detection on non-VGA dGPUs
>
> Thanks for sorting this out.
This patch is same as mine, already tested and is
https://bugzilla.kernel.org/show_bug.cgi?id=73901
--- Comment #11 from Alex Deucher ---
Created attachment 132311
--> https://bugzilla.kernel.org/attachment.cgi?id=132311=edit
avoid a possible crash when runpm is forced on non-ATPX systems
Fix runpm=1 handling on non-PX systems.
--
You are
https://bugzilla.kernel.org/show_bug.cgi?id=73901
--- Comment #10 from Alex Deucher ---
Created attachment 132301
--> https://bugzilla.kernel.org/attachment.cgi?id=132301=edit
fix ATPX detection on non-VGA dGPUs
Thanks for sorting this out.
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https://bugzilla.kernel.org/show_bug.cgi?id=73901
--- Comment #9 from Pali Roh?r ---
I looked into radeon_atpx_handler.c code and I found reason why radeon kernel
driver does not detect ATPX...
First here is lspci output:
00:02.0 VGA compatible controller [0300]: Intel Corporation 4th Gen Core
https://bugzilla.kernel.org/show_bug.cgi?id=73901
--- Comment #8 from Pali Roh?r ---
(In reply to Alex Deucher from comment #7)
> (In reply to Pali Roh?r from comment #6)
> > Btw, I looked into DSDT/SSDT acpi tables and there is ATPX method (in SSDT7,
> > scope \_SB.PCI0.GFX0).
>
> Did you
https://bugzilla.kernel.org/show_bug.cgi?id=73901
--- Comment #7 from Alex Deucher ---
(In reply to Pali Roh?r from comment #5)
> So I cannot turn off dGPU when it is not used?
>
Correct. The driver requires that method to power on/off the dGPU.
> Also I think that kernel should not crash
https://bugzilla.kernel.org/show_bug.cgi?id=73901
--- Comment #6 from Pali Roh?r ---
Btw, I looked into DSDT/SSDT acpi tables and there is ATPX method (in SSDT7,
scope \_SB.PCI0.GFX0).
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--- Comment #5 from Pali Roh?r ---
So I cannot turn off dGPU when it is not used?
Also I think that kernel should not crash when booting with (maybe incorrect?)
param runpm.
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--- Comment #4 from Alex Deucher ---
Your system does not appear to have the ATPX acpi methods that are required for
runtime pm to work properly (required to power off the dGPU). You should see
something like:
ATPX version X, functions
https://bugzilla.kernel.org/show_bug.cgi?id=73901
Pali Roh?r changed:
What|Removed |Added
Attachment #132211|application/octet-stream|text/plain
mime type|
https://bugzilla.kernel.org/show_bug.cgi?id=73901
--- Comment #3 from Pali Roh?r ---
Created attachment 132211
--> https://bugzilla.kernel.org/attachment.cgi?id=132211=edit
dmesg output
I'm using version 3.14 (as specified in bugzilla). Dmesg output from kernel
without any radeon params is
https://bugzilla.kernel.org/show_bug.cgi?id=73901
Alex Deucher changed:
What|Removed |Added
CC||alexdeucher at gmail.com
--- Comment #2
https://bugzilla.kernel.org/show_bug.cgi?id=73901
Pali Roh?r changed:
What|Removed |Added
Attachment #131981|application/octet-stream|text/plain
mime type|
https://bugzilla.kernel.org/show_bug.cgi?id=73901
--- Comment #1 from Pali Roh?r ---
Created attachment 131981
--> https://bugzilla.kernel.org/attachment.cgi?id=131981=edit
syslog output
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