[Bug 76130] New: Radeon HD 4570 set dpm state fails after suspend

[Bug 76130] New: Radeon HD 4570 set dpm state fails after suspend

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

          Priority: medium
            Bug ID: 76130
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Radeon HD 4570 set dpm state fails after suspend
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: crew4ok@gmail.com
          Hardware: x86 (IA32)
            Status: NEW
           Version: unspecified
         Component: DRM/Radeon
           Product: DRI

Created attachment 95731
  --> https://bugs.freedesktop.org/attachment.cgi?id=95731&action=edit
dmesg

Right before the system go to suspend, the following line appears in dmesg:

[drm:rv730_stop_dpm] *ERROR* Could not force DPM to low

After wakeup i see this in dmesg:

[drm:rv770_dpm_set_power_state] *ERROR* rv770_set_sw_state failed

Also i notice a degradation in performance in some games (e.g. in Teeworlds
before the suspend i have 60fps, after suspend - 30-40 fps).

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[Bug 76130] Radeon HD 4570 set dpm state fails after suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #1 from Aleksandr Oksenenko <crew4ok@gmail.com> ---
BTW, my kernel is a stock Archlinux kernel 3.13.6.

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[Bug 76130] Radeon HD 4570 set dpm state fails after suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> ---
Does this work better with a 3.14 kernel?

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[Bug 76130] Radeon HD 4570 set dpm state fails after suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #3 from Aleksandr Oksenenko <crew4ok@gmail.com> ---
(In reply to comment #2)
> Does this work better with a 3.14 kernel?

I've just built 3.14 RC6 and it's all the the same with it.

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[Bug 76130] Radeon HD 4570 set dpm state fails after suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #4 from Artem Chudinov <arzeth0@gmail.com> ---
Created attachment 100961
  --> https://bugs.freedesktop.org/attachment.cgi?id=100961&action=edit
dmesg (Radeon HD 4550, 3.15.0)

I have the same problem with Radeon HD 4550 using kernel 3.14.5 or 3.15.0 or
vanilla 3.15-rc1.
I have also noticed that `[drm:rv730_stop_dpm] *ERROR* Could not force DPM to
low` appears only after some gaming/etc.

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[Bug 76130] Radeon HD 4570 set dpm state fails after suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #5 from Thaddäus Tintenfisch <thad.fisch@gmail.com> ---
I'm also affected by this bug and I can confirm the performance hit after
resuming the system from suspend.

Radeon HD 4330 + kernel 3.15.2

[ 4772.472528] [drm:rv730_stop_dpm] *ERROR* Could not force DPM to low
[ 4772.954683] [drm] PCIE GART of 1024M enabled (table at 0x000000000025D000).
[ 4773.002123] [drm] ring test on 0 succeeded in 1 usecs
[ 4773.002180] [drm] ring test on 3 succeeded in 1 usecs
[ 4773.187038] [drm] ring test on 5 succeeded in 1 usecs
[ 4773.187042] [drm] UVD initialized successfully.
[ 4773.187067] [drm] ib test on ring 0 succeeded in 0 usecs
[ 4773.187089] [drm] ib test on ring 3 succeeded in 1 usecs
[ 4773.337007] [drm] ib test on ring 5 succeeded
[ 4773.507776] [drm:rv770_dpm_set_power_state] *ERROR* rv770_set_sw_state
failed

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[Bug 76130] Radeon HD 4570 set dpm state fails after suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #6 from Alex Deucher <alexdeucher@gmail.com> ---
Created attachment 108972
  --> https://bugs.freedesktop.org/attachment.cgi?id=108972&action=edit
possible fix

Does this patch help?

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[Bug 76130] Radeon HD 4570 set dpm state fails after suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #7 from Thaddäus Tintenfisch <thad.fisch@gmail.com> ---
The patch does not seem to fix the problem here, still seeing the error
messages in my log.
Can anyone else please test it?

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[Bug 76130] Radeon HD 4570 set dpm state fails after suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #8 from Adrien Prost-Boucle <adrien.prost-boucle@laposte.net> ---
Hi,

I also experience this problem with my laptop at resume from sleep. 

About log messages, there does not seem to be a message when entering sleep.
When resuming from sleep, I can briefly see this message printed on the screen:

kernel: [drm:rv730_stop_dpm [radeon]] *ERROR* Could not force DPM to low

However at boot time, I see this in the log:

kernel: [drm] initializing kernel modesetting (RV710 0x1002:0x9553
0x1179:0xFF00).

I see a switch from rv710 to rv730, is this normal?
Previously, Thaddäus Tintenfisch reported a switch from rv730 to rv770...

If useful, the lspci command says:

01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
RV710/M92 [Mobility Radeon HD 4530/4570/545v]
01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] RV710/730 HDMI
Audio [Radeon HD 4000 series]

The patch proposed just before seems to be explicitely related to rv770, which
does not seem to be my case.

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[Bug 76130] Radeon HD 4570 set dpm state fails after suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #9 from Adrien Prost-Boucle <adrien.prost-boucle@laposte.net> ---
I forgot to mention the OS I'm using:

ArchLinux x86-64
Linux 4.0 from testing repo (also happens with the kernel from core repo)
mesa 10.5.4 from stock core repo
xf86-video-ati 1:7.5 from stock core repo

No patch, no personal kernel boot options, basically zero config.

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[Bug 76130] Radeon HD 4570 set dpm state fails after suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #10 from Jim <freedesktop.jim-j@mamber.net> ---
Ardien at https://bugzilla.kernel.org/show_bug.cgi?id=71891 they state
"...found in the kernel source file drivers/gpu/drm/radeon/rv770.c. Despite the
name this function is used for RV710, RV730 (yours) and RV770.".  So my
uneducated guess is that the patch does apply to you.

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[Bug 76130] Radeon HD 4570 set dpm state fails after suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #11 from Jim <freedesktop.jim-j@mamber.net> ---
I can duplicate this problem with CentOS 7.1.

When I run kernel 3.10.0-229.1.2.el7.centos.plus I don't see (or at least
notice) the performance issue after resuming from suspend, however I do receive
the same errors.  Additionally X will randomly hang (maybe 5% of the time) when
I resume, I suspect this may be related to my video card (since those are the
only errors I ever see when resuming).

When I run kernel 4.0.0-1.el7.elrepo.x86_64 I do have the performance issue
after resuming from suspend (and receive the same errors).  For me I see the
huge graphics performance hit when I connect to a Windows 7 PC with xfreerdp. 
It's so slow it's unusable.  However if I perform the same xfreerdp connection
before I ever suspend/resume my PC it's very fast and responsive.

I found a work around which is to use the "radeon.dpm=0" kernel boot option.  I
did this by following these steps:
vi /etc/default/grub
-Append "radeon.dpm=0" to the end of the "GRUB_CMDLINE_LINUX" option:
grub2-mkconfig -o /boot/grub2/grub.cfg

Booting with "radeon.dpm=0" switched me to the "profile" pm method as shown
with this command:
cat /sys/class/drm/card0/device/power_method
profile

With "radeon.dpm=0" I no longer get any error messages and I no longer have any
performance issues after resuming from suspend.  Time will tell if it fixes my
random hang issue.  I haven't checked yet if there's any noticeable power draw
difference.

Below I've pasted some relevant hardware and log info.

My hardware:
Motherboard = GA-790FXTA-UD5/GA-790FXTA-UD5, BIOS F3j
CPU = AMD Phenom II X4 910e Deneb Quad-Core 2.6GHz Socket AM3 65W Desktop
Processor 
Video card = Gigabyte Radeon HD 4550 512 MB DDR3 (AMD RV710)

Two pages with useful information related to radeon power management:
https://wiki.archlinux.org/index.php/ATI#Dynamic_power_management
http://www.x.org/wiki/RadeonFeature/#index3h2

grep -i rv7 /var/log/messages
//With kernel 3.10.0-229.1.2.el7.centos.plus
Apr 29 08:18:58 black kernel: [drm:rv730_stop_dpm] *ERROR* Could not force DPM
to low
Apr 29 08:18:58 black kernel: [drm:rv770_dpm_set_power_state] *ERROR*
rv770_set_sw_state failed
//With kernel 4.0.0-1.el7.elrepo.x86_64, note that the error messages have
slightly changed (added "[radeon]")
Apr 29 09:21:49 black kernel: [drm:rv730_stop_dpm [radeon]] *ERROR* Could not
force DPM to low
Apr 29 09:22:40 black kernel: [drm:rv770_dpm_set_power_state [radeon]] *ERROR*
rv770_set_sw_state failed

glxinfo |grep "OpenGL renderer"
OpenGL renderer string: Gallium 0.4 on AMD RV710

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[Bug 76130] Radeon HD 4570 set dpm state fails after suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #12 from Jim <freedesktop.jim-j@mamber.net> ---
I just realized that another performance issue I had is actually caused by this
bug.  This occurs with kernel 3.10.0-229.1.2.el7.centos.plus (and probably all
kernels).  After I suspend/resume scrolling in gnome-terminal is very slow. 
For example if I 'cat /var/log/messages' then scrolling in gnome-terminal is
very jerky.  Likewise scrolling from within vi or less (/var/log/messages is a
good way to test) is also painfully slow.  Booting with "radeon.dpm=0" also
solves this gnome-terminal scroll problem for me.

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[Bug 76130] Radeon HD 4570 set dpm state fails after suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #13 from Adrien Prost-Boucle <adrien.prost-boucle@laposte.net> ---
I tried with option radeon.dpm=0 and yes the message disappears at resume from
sleep.

But on my machine I never noticed graphics slowdown (at least with vlank_mode=0
glxgears). I'm not a consumer of fancy graphics or games.

However what I noticed without that option was buggy scrolling in Firefox (and
only Firefox). Sometimes all new tabs took like 5 seconds to unfreeze, and once
unfreezed each tab remained responsive. Rather strange. I'll use the laptop for
a few days to be sure it no longer happens.

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #14 from Adrien Prost-Boucle <adrien.prost-boucle@laposte.net> ---
On my machine this only visible thing this radeon.dpm=0 does is to silent the
error message at resume from sleep. I see no graphic perf increase (at least
with glxgears) and still scrolling issue for the app that had it (assuming it
is actually related to graphics).

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[Bug 76130] Radeon HD 4570 set dpm state fails after suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

Evgeny Grechnikov <diamondaz+fdb@yandex.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |diamondaz+fdb@yandex.ru

--- Comment #15 from Evgeny Grechnikov <diamondaz+fdb@yandex.ru> ---
Same issue on Debian 8 stable, kernel 3.16: two *ERROR*s in kernel log and a
notable performance degradation in some games after suspend/resume.

I have tried the proposed patch, it does not help (the recompiled driver still
has the same behavior).

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #16 from Evgeny Grechnikov <diamondaz+fdb@yandex.ru> ---
It seems that the timeout is too small. A dirty fix replacing
rdev->usec_timeout with 1000000 in rv770_send_msg_to_smc
(drivers/gpu/drm/radeon/rv770_smc.c) works for me (both *ERROR*s in kernel log
disappear, performance returns to normal).

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #17 from Alex Deucher <alexdeucher@gmail.com> ---
Created attachment 120072
  --> https://bugs.freedesktop.org/attachment.cgi?id=120072&action=edit
possible fix

Does this patch help?  You will still get the error messages, but everything
else should work.

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--- Comment #18 from Evgeny Grechnikov <diamondaz+fdb@yandex.ru> ---
Yes, the new patch behaves exactly as you describe: I don't see any performance
degradation after suspend/resume, although error messages are still present.

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #19 from Alex Deucher <alexdeucher@gmail.com> ---
Created attachment 120091
  --> https://bugs.freedesktop.org/attachment.cgi?id=120091&action=edit
quiet errors

This patch will quiet the errors unless you enable driver debugging.  Apply on
top of the previous patch.

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Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #108972|0                           |1
        is obsolete|                            |

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--- Comment #20 from Evgeny Grechnikov <diamondaz+fdb@yandex.ru> ---
As expected, error messages disappear, performance problems do not reappear.

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--- Comment #21 from Thaddaeus Tintenfisch <thad.fisch@gmail.com> ---
Now with kernel 4.4-rc3 the error messages are gone, but the performance issue
is still present (glxgears: ~440 FPS before suspend, ~180 FPS after).

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--- Comment #22 from Thaddaeus Tintenfisch <wow.exe@tutanota.com> ---
I was able to resolve the FPS drop by running the following two commands:

echo battery > /sys/class/drm/card0/device/power_dpm_state
echo balanced > /sys/class/drm/card0/device/power_dpm_state

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[Bug 76130] Radeon HD 4570 set dpm state fails after suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #23 from mirh <mirh@protonmail.ch> ---
(In reply to Thaddaeus Tintenfisch from comment #22)
> I was able to resolve the FPS drop by running the following two commands:
> 
> echo battery > /sys/class/drm/card0/device/power_dpm_state
> echo balanced > /sys/class/drm/card0/device/power_dpm_state

In this case, I guess this now becomes bug 66963

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[Bug 76130] Radeon HD 4570 set dpm state fails after suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=76130

Martin Peres <martin.peres@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |MOVED

--- Comment #24 from Martin Peres <martin.peres@free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
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You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/463.

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