https://bugzilla.kernel.org/show_bug.cgi?id=43114

Summary: Can't set high engine clock for RadeonHD 6620G Product: Drivers Version: 2.5 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) AssignedTo: drivers_video-dri@kernel-bugs.osdl.org ReportedBy: runetmember@gmail.com Regression: No

APU model: A8-3500M with Radeon HD 6620G. Laptop model: Acer Aspire 7560G. According to official specs of this APU http://www.amd.com/us/products/notebook/apu/mainstream/Pages/mainstream.aspx... https://en.wikipedia.org/wiki/Comparison_of_AMD_graphics_processing_units#ci... GPU core clock on high profile should be 444 MHz, but even when I set high profile manually

~# cat /sys/class/drm/card0/device/power_method profile ~# cat /sys/class/drm/card0/device/power_profile high

GPU core clock is not 444 MHz anyway, even below 200 MHz: ~$ cat /sys/kernel/debug/dri/0/radeon_pm_info default engine clock: 200000 kHz current engine clock: 7990 kHz default memory clock: 667000 kHz Maybe output of radeon_pm_info is incorrect, because change between different profiles and dynpm make no difference in radeon_pm_info information.

Reproduceable with Linux 3.2 and Linux 3.4rc3. dmesg of 3.4rc3 boot process attached. Is there any additional information I need to provide?