[Bug 66341] Screen dead

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=66341

--- Comment #7 from svily0 at yahoo.com ---
I connected a third panel today and it works, the two old ones do not! It's not
the connector, just the panels were somehow rendered unusable. I don't really
know how to investigate further as the panel is a complete unit, which is hard
to open. There is no backlight and there is not even the faintest of image on
the LCD.
Another strange thing is that, when booting with radeon.dpm=1, even the HDMI
output doesn't work after doing the mode setting and before KDE is started.
Without this parameter I can see all kernel messages at boot time.

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