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Bug#981616: Acknowledgement (linux-image-5.10.0-3-arm64-unsigned: WiFi does not work with vc4.ko on RPi4, module_blacklist=vc4 enables WiFi)

Started byRyutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp>
First post2021-02-03 01:20 +0100
Last post2021-02-03 01:20 +0100
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  Bug#981616: Acknowledgement (linux-image-5.10.0-3-arm64-unsigned: WiFi does not work with vc4.ko on RPi4, module_blacklist=vc4 enables WiFi) Ryutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp> - 2021-02-03 01:20 +0100

#69423 — Bug#981616: Acknowledgement (linux-image-5.10.0-3-arm64-unsigned: WiFi does not work with vc4.ko on RPi4, module_blacklist=vc4 enables WiFi)

FromRyutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp>
Date2021-02-03 01:20 +0100
SubjectBug#981616: Acknowledgement (linux-image-5.10.0-3-arm64-unsigned: WiFi does not work with vc4.ko on RPi4, module_blacklist=vc4 enables WiFi)
Message-ID<BEe3L-1Zq-1@gated-at.bofh.it>
Control: retitle -1 5GHz WiFi does not work with vc4.ko on RPi4 and 4K display
Control: tags -1 + upstream
Control: severity -1 normal

It turns out that the reported symptom happens with 5GHz Wifi
and 4K display resolution at 30 Hz refreshing rate.

Since the condition is rather limited, I lowered severity to normal.
This is an upstream issue.
It is being discussed at "linux-rpi-kernel" mailing list.

Best regards, Ryutaroh Matsumoto

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