Comment # 58
on bug 93826
from qqel@outlook.com
(In reply to iuno from comment #55) > Make sure to raise the DC clock above the default value, e.g. to 625 MHz > (value 62500) > > If you use amdgpu: in amdgpu_atombios.c adev->clock.default_dispclk > If you use radeon: in atombios_crtc.c rdev->clock.default_dispclk > > That should fix the broken image. To fix flickering, set mclk to high (echo > 1 > /sys/class/drm/card0/device/power_dpm_force_performance_level) Confirming that this fixed the issue! MG279Q, r9 290 with amdgpu. Didn't have to touch the mclk.
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