From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 60523] Lockup with radeon DPM on Radeon HD5770 (Juniper)
Date: Sun, 04 Aug 2013 18:54:26 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=60523
Christian Birchinger changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |joker@netswarm.net
--- Comment #15 from Christian Birchinger ---
I think i have the same problem using the kernel version 3.11-rc3+ (git version
incl. latest drm-fixes)
I'm also using a 5770 (MSI Radeon HD 5770 Hawk) graphics card.
I get the same error messages (write error: Invalid argument)
when echoing the values into power_dpm_force_performance_level.
During idle (XFCE with or without composite), it remains on power level 2:
# cat /sys/kernel/debug/dri/0/radeon_pm_info
uvd vclk: 0 dclk: 0
power level 2 sclk: 87500 mclk: 120000 vddc: 1200 vddci: 1100
(Temperature is around 48C)
When playing a video, the states change (card gets cooler):
# cat /sys/kernel/debug/dri/64/radeon_pm_info
uvd vclk: 50000 dclk: 40000
power level 1 sclk: 40000 mclk: 90000 vddc: 950 vddci: 1100
# cat /sys/kernel/debug/dri/64/radeon_pm_info
uvd vclk: 50000 dclk: 40000
power level 2 sclk: 40000 mclk: 90000 vddc: 950 vddci: 1100
# cat /sys/kernel/debug/dri/64/radeon_pm_info
uvd vclk: 50000 dclk: 40000
power level 0 sclk: 40000 mclk: 90000 vddc: 950 vddci: 1100
(Temperature is around 44C)
The Windows driver brings the temperature down to 37C in idle.
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