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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [Radeon HD 7770 GHz Edition] Cape Verde XT: DPM set state failed"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73788#c9">Comment # 9</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [Radeon HD 7770 GHz Edition] Cape Verde XT: DPM set state failed"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73788">bug 73788</a>
from <span class="vcard"><a class="email" href="mailto:step2back+freedesktop@gmail.com" title="Stepan Bakshaev <step2back+freedesktop@gmail.com>"> <span class="fn">Stepan Bakshaev</span></a>
</span></b>
<pre>Return to 3.13
root@silverstone:/sys/class/drm/card0/device# uname -a
Linux silverstone 3.13.0-5-generic #20-Ubuntu SMP Mon Jan 20 19:56:38 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
root@silverstone:/sys/class/drm/card0/device# cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-3.13.0-5-generic
root=UUID=4d025cce-1bf0-466f-a5c3-501d3f548e70 ro quiet splash vt.handoff=7
radeon.dpm=1
root@silverstone:/sys/class/drm/card0/device# echo "dynpm" > power_method
bash: echo: write error: Invalid argument
root@silverstone:/sys/class/drm/card0/device# cat power_method
dpm
root@silverstone:/sys/class/drm/card0/device# echo "high" > power_profile
bash: echo: write error: Invalid argument
root@silverstone:/sys/class/drm/card0/device# dmesg | grep -i "drm.*error"
[ 13.800555] [drm:si_dpm_set_power_state] *ERROR* si_set_sw_state failed
root@silverstone:/sys/class/drm/card0/device# cat vendor
0x1002
root@silverstone:/sys/class/drm/card0/device# cat device
0x683d</pre>
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