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From:   Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Date:   Sun, 27 Dec 2020 21:58:20 +0500
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Subject: Re: [bug] Radeon 3900XT not switch to graphic mode on kernel 5.10
To:     amd-gfx list <amd-gfx@lists.freedesktop.org>,
        Linux List Kernel Mailing <linux-kernel@vger.kernel.org>,
        dri-devel <dri-devel@lists.freedesktop.org>
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On Sun, 27 Dec 2020 at 21:39, Mikhail Gavrilov
<mikhail.v.gavrilov@gmail.com> wrote:
> I suppose the root of cause my problem here:
>
> [    3.961326] amdgpu 0000:0b:00.0: Direct firmware load for
> amdgpu/sienna_cichlid_sos.bin failed with error -2
> [    3.961359] amdgpu 0000:0b:00.0: amdgpu: failed to init sos firmware
> [    3.961433] [drm:psp_sw_init [amdgpu]] *ERROR* Failed to load psp firmware!
> [    3.961529] [drm:amdgpu_device_init.cold [amdgpu]] *ERROR* sw_init
> of IP block <psp> failed -2
> [    3.961549] amdgpu 0000:0b:00.0: amdgpu: amdgpu_device_ip_init failed
> [    3.961569] amdgpu 0000:0b:00.0: amdgpu: Fatal error during GPU init
> [    3.961911] amdgpu: probe of 0000:0b:00.0 failed with error -2
>

# dnf provides */sienna_cichlid_sos.bin
Last metadata expiration check: 3:01:27 ago on Sun 27 Dec 2020 06:53:25 PM +05.
linux-firmware-20201218-116.fc34.noarch : Firmware files used by the
Linux kernel
Repo        : @System
Matched from:
Filename    : /usr/lib/firmware/amdgpu/sienna_cichlid_sos.bin

linux-firmware-20201218-116.fc34.noarch : Firmware files used by the
Linux kernel
Repo        : rawhide
Matched from:
Filename    : /usr/lib/firmware/amdgpu/sienna_cichlid_sos.bin

# dnf install linux-firmware-20201218-116.fc34.noarch
Last metadata expiration check: 3:02:11 ago on Sun 27 Dec 2020 06:53:25 PM +05.
Package linux-firmware-20201218-116.fc34.noarch is already installed.
Dependencies resolved.
Nothing to do.
Complete!

Looks like firmware is present. So I didn't understand why the kernel
cannot read firmware.

--
Best Regards,
Mike Gavrilov.