radeon Disabling GPU acceleration (WB disabled?)

Michel Dänzer michel at daenzer.net
Tue Oct 22 16:09:26 UTC 2019

On 2019-10-20 11:21 p.m., Meelis Roos wrote:
> I tried 5.2, 5.3 and 5.4-rc4 on my old Fujitsu RX220 with integrated
> Radeon RV100. Dmesg tells that GPU acceleration is disabled. I do not
> know if it has been enabled in the past - no old kernels handy at the
> moment.
> From dmesg it looks like something with MTRR maybe: WB disabled.

That's harmless.

> [    8.535975] [drm] Driver supports precise vblank timestamp query.
> [    8.535981] radeon 0000:00:05.0: Disabling GPU acceleration

This looks like drm_irq_install returns an error in radeon_irq_kms_init.

Earthling Michel Dänzer               |               https://redhat.com
Libre software enthusiast             |             Mesa and X developer

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