Hi Thomas, please open up a bug report on http://bugs.freedesktop.org/.
If this worked on an older kernel version bisecting would be a good idea as well.
Regards, Christian. Am 24.09.2017 um 12:26 schrieb Thomas Meyer:
Hi, while trying to resurrect my old Macbook as an 32 bit kernel testing device, I think someone broke the radeon driver on this first generation pure EFI boot Macbook. My guess would be that the introduction of the vga_switcheroo code did break the radeon_get_bios functionality. I will try again without radeon_atrm_get_bios and radeon_acpi_vfct_bios. kind regards thomas
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