[Bug 51381] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting, when disabled via vgaswitcheroo

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=51381

newgarry at mail.ru changed:

           What    |Removed                     |Added
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                 CC|                            |newgarry at mail.ru

--- Comment #8 from newgarry at mail.ru ---
I have same dual graphics configuration (Intel graphics and ATI HD 5650) and
also have problems with resume. It takes 40 seconds, and I get following error
messages:

[drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting
[drm:atom_execute_table_locked] *ERROR* atombios stuck executing CD0C (len 62,
WS 0, PS 0) @ 0xCD28
[drm:atom_execute_table_locked] *ERROR* atombios stuck executing BA84 (len 937,
WS 4, PS 0) @ 0xBB94
[drm:atom_execute_table_locked] *ERROR* atombios stuck executing BA1A (len 76,
WS 0, PS 8) @ 0xBA22
[drm:radeon_pm_resume_dpm] *ERROR* radeon: dpm resume failed

I use 3.14.2 kernel, system init is systemd. The problems began since switching
from 3.12 to 3.13. I use vgaswitcheroo to disable discrete GPU during boot
time. Beginning with 3.13 kernel radeon use runtime power management (runpm),
and I have to pass "runpm=0" to radeon module, because runpm automatically
reenables discrete GPU and brings another problems
(https://bugs.gentoo.org/show_bug.cgi?id=506188).

Without parameter "runpm=0" my system rusumes immediately. Please let me know
if you need additional information. Thank you!

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