No video signal on iBook G4 with latest kernel

[John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>]

Hello,

just as a heads-up: I'm not getting a video signal with my iBook G4 with
the latest kernel. dmesg shows error messages that seem to be related to
the problem:

[   14.222735] radeon 0000:00:10.0: [drm] bpp/depth value of 16/16 not supported
[   14.222774] radeon 0000:00:10.0: [drm] bpp/depth value of 16/16 not supported
[   14.222780] radeon 0000:00:10.0: [drm] No compatible format found

I have reported the issue in the Freedesktop bug tracker for the radeon driver [1].

Adrian

> [1] https://gitlab.freedesktop.org/drm/amd/-/issues/3120

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