https://bugzilla.kernel.org/show_bug.cgi?id=70171
Alex Deucher <alexdeucher at gmail.com> changed:
What |Removed |Added
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CC| |alexdeucher at gmail.com
--- Comment #35 from Alex Deucher <alexdeucher at gmail.com> ---
It looks like your monitor may be enabling overscan. A lot of TVs enable this
automatically for hdmi. See if you can disable it in your monitor's controls.
You can disable hdmi packet generation in the radeon driver by appending
radeon.audio=0 to the kernel command line in grub. If disabling audio in
radeon helps, then it's most likely your monitor enabling the overscan upon
detection of hdmi packets from the source device.
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