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Unable to boot using AMD graphics

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aus9:
lspci or lspci -vvv gives me only numbers?

anyhow I have a match to other distro output pinxi

--- Quote ---chip-ID: 1002:15d8
--- End quote ---
to dmesg snippet

--- Quote ---amdgpu: probe of 0000:26:00.0 failed with error -524
--- End quote ---


--- Code: ---lspci SNIP
26:00.0 Class 0300: 1002:15d8
--- End code ---

Thierry:
Maybe (many thanks to Spiky for that):

--- Code: ---sudo dmesg|paste-nutyx
--- End code ---

aus9:
we can rule out missing amd ids

--- Code: ---cat /usr/share/libdrm/amdgpu.ids | grep 15D8 | grep "Vega 3"
15D8, C4, AMD Radeon Vega 3 Graphics
15D8, C5, AMD Radeon Vega 3 Graphics
15D8, CC, AMD Radeon Vega 3 Graphics
15D8, CE, AMD Radeon Vega 3 Graphics
15D8, CF, AMD Radeon Vega 3 Graphics
15D8, D4, AMD Radeon Vega 3 Graphics
15D8, DC, AMD Radeon Vega 3 Graphics
15D8, DD, AMD Radeon Vega 3 Graphics
15D8, DE, AMD Radeon Vega 3 Graphics
15D8, DF, AMD Radeon Vega 3 Graphics
15D8, E3, AMD Radeon Vega 3 Graphics
15D8, E4, AMD Radeon Vega 3 Graphics
--- End code ---

dmesg|paste-nutyx
http://ix.io/45U1

aus9:
I may have found something regarding the error msg
 SME is not compatible with RAVEN

https://lists.freedesktop.org/archives/amd-gfx/2021-October/069868.html


--- Quote ---and the AMDGPU graphics driver, despite being loaded, does not work, and the framebuffer driver
is used instead.
--- End quote ---

our config file shows
CONFIG_AMD_MEM_ENCRYPT=y
CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT=y

aus9:
going to reboot to try bootcode

--- Quote ---mem_encrypt=off
--- End quote ---

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