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Subject: Re: radeon Disabling GPU acceleration (WB disabled?)
To:     Meelis Roos <mroos@linux.ee>
References: <24b5f681-df58-7663-af7c-9fa9b9158be9@linux.ee>
From:   =?UTF-8?Q?Michel_D=c3=a4nzer?= <michel@daenzer.net>
Cc:     dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org,
        linux-kernel@vger.kernel.org
Message-ID: <61646cbe-c4a9-cef1-d586-f3ac794b998a@daenzer.net>
Date:   Tue, 22 Oct 2019 18:09:26 +0200
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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