Comment # 14
on bug 68235
from Alex Deucher
Created attachment 85578 [details] [review] disable various dpm features I would suggest disabling various dpm features and see if you can narrow down which, if any, help. This patch disables just about everything. ni_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO) is what actually sets the dynamic performance switching into motion. Prior to that the hw is locked into the low performance level. I sounds like there is some bad parameter that is causing a lock up when the smc enables state switching. Separate from the patch can you also try changing the ni_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO) call in ni_dpm_set_power_state() to low (RADEON_DPM_FORCED_LEVEL_LOW) or high (RADEON_DPM_FORCED_LEVEL_HIGH) rather than auto? See if you still get a lock up.
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