Bug 64950

Summary: Powersaving doesn't work on second card
Product: xorg Reporter: Aleksey Fedotov <lexa>
Component: Driver/RadeonAssignee: xf86-video-ati maintainers <xorg-driver-ati>
Status: RESOLVED MOVED QA Contact: Xorg Project Team <xorg-team>
Severity: normal    
Priority: medium    
Version: unspecified   
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
dmesg from machine with two cards. none

Description Aleksey Fedotov 2013-05-24 10:27:50 UTC 
Created attachment 79751 [details]
dmesg from machine with two cards.

I have a laptop with two ati cards:
Mobility Radeon HD 6620G 
Radeon HD 6400M

Enabled powersave mode on both cards:

#echo dynpm > /sys/class/drm/card0/device/power_method
#echo dynpm > /sys/class/drm/card1/device/power_method

Clock speed on the first card reduced almost immediatly:

#cat /sys/kernel/debug/dri/0/radeon_pm_info
default engine clock: 200000 kHz
current engine clock: 7990 kHz
default memory clock: 667000 kHz

But second card don't react at all:

#cat  /sys/kernel/debug/dri/1/radeon_pm_info
default engine clock: 800000 kHz
current engine clock: 799940 kHz
default memory clock: 800000 kHz
current memory clock: 799870 kHz
voltage: 900 mV
Comment 1 Martin Peres 2019-11-19 07:41:06 UTC 
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.

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