[Bug 65091] New: power_profile not working for HD5650

[Bug 65091] New: power_profile not working for HD5650

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https://bugs.freedesktop.org/show_bug.cgi?id=65091

          Priority: medium
            Bug ID: 65091
          Assignee: dri-devel@lists.freedesktop.org
           Summary: power_profile not working for HD5650
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: nevehanter@gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Drivers/DRI/R600
           Product: Mesa

I have HD5650 with Intel i3 Ironlake (1-Gen) switcheable graphics.
My problem is that changing power_profile in radeon gives me nothing.
I have enabled KMS, use vgaswitcheroo to disable i915 and switch X to radeon.
Changing anything in radeon params at kernel parameters gives me also nothing.

It always stay at the same clocks:

For auto/low/mid/high profile
# cat /sys/kernel/debug/dri/0/radeon_pm_info
default engine clock: 100000 kHz
current engine clock: 99990 kHz
default memory clock: 157000 kHz
current memory clock: 156930 kHz
voltage: 1000 mV
PCIE lanes: 16

And it should be engine: 550000 kHz and memory 800000 kHz ( values taken from
windows )

I wanted to know if you could provide fix for it, and I'm open in helping with
providing every information.

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[Bug 65091] power_profile not working for HD5650

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https://bugs.freedesktop.org/show_bug.cgi?id=65091

Andreas Boll <andreas.boll.dev@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Product|Mesa                        |DRI
            Version|git                         |unspecified
          Component|Drivers/DRI/R600            |DRM/Radeon

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[Bug 65091] power_profile not working for HD5650

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https://bugs.freedesktop.org/show_bug.cgi?id=65091

--- Comment #1 from Kamil Bar <nevehanter@gmail.com> ---
Created attachment 80495
  --> https://bugs.freedesktop.org/attachment.cgi?id=80495&action=edit
dmesg | grep radeon after drm.debug=2 and some profile switching

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[Bug 65091] power_profile not working for HD5650

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https://bugs.freedesktop.org/show_bug.cgi?id=65091

Kamil Bar <nevehanter@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|unspecified                 |DRI CVS

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[Bug 65091] power_profile not working for HD5650

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https://bugs.freedesktop.org/show_bug.cgi?id=65091

--- Comment #2 from Kamil Bar <nevehanter@gmail.com> ---
And I need to correct my first post, on auto/low/mid/default profiles voltage
is 900 mV, but if I switch to high my screen flick, and it goes to 1000 mv.

I cannot attach video bios, because my notebook has vbios built-in into
notebook's bios, but if U propose how to get it, I could try ( note: on windows
I cannot dump it too) but the notebook bios itself is here:
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-100446-1&cc=us&destPage=siteHome&dlc=en&lc=en&os=4063&product=4217144&query=dv6-3030ew&tool=

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[Bug 65091] power_profile not working for HD5650

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https://bugs.freedesktop.org/show_bug.cgi?id=65091

--- Comment #3 from Kamil Bar <nevehanter@gmail.com> ---
I have found an issue, my vbios default clocks are set to 150000 and 157000,
and  my switching profiles aren't working because of this lines in radeon_pm.c:

if (sclk > rdev->pm.default_sclk) {
    sclk = rdev->pm.default_sclk;
}

and

if (mclk > rdev->pm.default_mclk) {
    sclk = rdev->pm.default_mclk;
}

when I try to switch to 550000Mhz ( pass sclk == 55000 ) for clock this
compares it with default ( rdev->pm.default_sclk == 150000 which atombios
provides from vbl ), and then kernel switch this request to default.

So, anyone know solution to this, with possibility to push the fix to linux
main branch, so I and possibly many other people can use profiles in future
kernels without recompiling the kernel and apply patch? It would require
modifying radeon_atombios.c and it's methods, I could try to fix it someway,
but it will require testing on many devices.

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[Bug 65091] power_profile not working for HD5650

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https://bugs.freedesktop.org/show_bug.cgi?id=65091

--- Comment #4 from Alan Swanson <swanson@ukfsn.org> ---
You can try my patch *if* you have good cooling as Alex indicated (on IRC) he
would not be applying the patch due to potential overheating. We're all still
awaiting the lawyers "review" of improved power manangement code.

http://lists.freedesktop.org/archives/dri-devel/2013-May/039247.html

My patch didn't include memory clocks as I'm running an APU rather than a
discrete card so could not test. So if you add a max_mclk setting, note to
guard it with an "if !(rdev->flags & RADEON_IS_IGP)" in
radeon_pm_get_max_clocks().

Unsurprisingly my frame rates improved over 100% from the default 200MHz but
idles back down on DPMS off with the auto power profile.

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[Bug 65091] power_profile not working for HD5650

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https://bugs.freedesktop.org/show_bug.cgi?id=65091

--- Comment #5 from Kamil Bar <nevehanter@gmail.com> ---
Thanks, it works fine now, I added memory clocking, and I will try to create OC
possibilities using debugfs.

I have two questions, will new system have overclocking capabilities, in ex.
passing values to debugfs by radeon_oc_sclk/radeon_oc_mclk/radeon_oc_volts, I
have tried hardcoding overclocked values for my gpu, and I can overclock my
HD5650 from 550/800 with 1.00V to 750/950 with 1.05V without problems and it is
stable ( I can give more, but I don't want to risk burning it with too much
voltage, but we should have this features ), radeon_pm shows right clocks with
this values. And why REDWOODs are that slow, especially with 1080p resolutions?

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[Bug 65091] power_profile not working for HD5650

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https://bugs.freedesktop.org/show_bug.cgi?id=65091

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

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

--- Comment #6 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
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/332.

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