Comment # 12
on bug 111913
from Stefan Rehm
If I change dcn2_0_soc.dram_clock_change_latency_us in "rivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c" from 404.0 to 10.0 (the value used in kernel 5.3) the messages disappear and the system behaves normal again. However, as long as /sys/class/drm/card0/device/power_dpm_force_performance_level is set to "auto", I am now seeing massive flickering. Forcing it to low or high fixes that. According to the sources for kernel 5.3 the value of 10.0 for dram_clock_change_latency is a hack. Can anyone elaborate on this?
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