On Fri, Oct 26, 2012 at 3:52 PM, Simeon Felis <[email protected]> wrote: > According to [1] I should be able to set the power profile, e.g. with: > > echo "low" > /sys/class/drm/card0/device/power_profile > > However I don't have this file: > root@arpa:~# echo "low" > /sys/class/drm/card0/device/power_profile > bash: /sys/class/drm/card0/device/power_profile: No such file or director > > The directory structure looks like that: > root@arpa:~# tree /sys/class/drm/card0/ > /sys/class/drm/card0/ > ├── card0-DVI-I-1 > │ ├── device -> ../../card0 > │ ├── dpms > │ ├── edid > │ ├── enabled > │ ├── modes > │ ├── power > │ │ ├── async > │ │ ├── autosuspend_delay_ms > │ │ ├── control > │ │ ├── runtime_active_kids > │ │ ├── runtime_active_time > │ │ ├── runtime_enabled > │ │ ├── runtime_status > │ │ ├── runtime_suspended_time > │ │ └── runtime_usage > │ ├── select_subconnector > │ ├── status > │ ├── subconnector > │ ├── subsystem -> ../../../../../../../class/drm > │ └── uevent > ├── card0-SVIDEO-1 > │ ├── device -> ../../card0 > │ ├── dpms > │ ├── edid > │ ├── enabled > │ ├── modes > │ ├── power > │ │ ├── async > │ │ ├── autosuspend_delay_ms > │ │ ├── control > │ │ ├── runtime_active_kids > │ │ ├── runtime_active_time > │ │ ├── runtime_enabled > │ │ ├── runtime_status > │ │ ├── runtime_suspended_time > │ │ └── runtime_usage > │ ├── select_subconnector > │ ├── status > │ ├── subconnector > │ ├── subsystem -> ../../../../../../../class/drm > │ └── uevent > ├── card0-VGA-1 > │ ├── device -> ../../card0 > │ ├── dpms > │ ├── edid > │ ├── enabled > │ ├── modes > │ ├── power > │ │ ├── async > │ │ ├── autosuspend_delay_ms > │ │ ├── control > │ │ ├── runtime_active_kids > │ │ ├── runtime_active_time > │ │ ├── runtime_enabled > │ │ ├── runtime_status > │ │ ├── runtime_suspended_time > │ │ └── runtime_usage > │ ├── status > │ ├── subsystem -> ../../../../../../../class/drm > │ └── uevent > ├── dev > ├── device -> ../../../0000:01:00.0 > ├── power > │ ├── async > │ ├── autosuspend_delay_ms > │ ├── control > │ ├── runtime_active_kids > │ ├── runtime_active_time > │ ├── runtime_enabled > │ ├── runtime_status > │ ├── runtime_suspended_time > │ └── runtime_usage > ├── subsystem -> ../../../../../../class/drm > └── uevent > > I'm running Arch Linux with uname -a: > Linux arpa 3.6.3-1-ARCH #1 SMP PREEMPT Mon Oct 22 10:23:56 CEST 2012 > x86_64 GNU/Linux > > lsmod | grep rad > ttm 64384 1 radeon > drm_kms_helper 32877 1 radeon > drm 218724 7 ttm,drm_kms_helper,radeon > i2c_algo_bit 5391 1 radeon > i2c_core 20707 5 > drm,i2c_i801,drm_kms_helper,i2c_algo_bit,radeon > > Syslinux boot command: > APPEND root=/dev/sda3 ro quiet splash init=/bin/systemd > > > Did the directory structure change? What am I missing?
Not all cards have low power states. This is especially true of pre-r6xx desktop cards. Alex _______________________________________________ xorg-driver-ati mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-driver-ati
