[Bug 109246] HDMI connected monitors fail to sleep and instead turn back on when amdgpu.dc=1

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changed bug 109246
What Removed Added
CC   jdelvare@suse.de

Comment # 28 on bug 109246 from
Same problem here. Radeon RX 550 with 2 identical Lenovo P27h-10 displays
configured in side-by-side mode, one over DisplayPort and one over HDMI, kernel
5.2.11. When the displays go to sleep, the multi-display configuration is lost,
displays are in mirror mode when waking up, and I must configure them again.
Booting with amdgpu.dc=0 works around the problem (thanks Michel for the hint!)


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