Can confirm this works fine on kinetic:

> <information> GLRenderer: GL vendor: AMD
> <information> GLRenderer: GL renderer: AMD Radeon RX 480 Graphics (polaris10, 
> LLVM 15.0.2, DRM 3.47, 5.19.0-1002-generic)
> <information> GLRenderer: GL version: OpenGL ES 3.2 Mesa 22.2.1
> <information> GLRenderer: GLSL version: OpenGL ES GLSL ES 3.20

Vs. jammy:

> MESA-LOADER: failed to open radeonsi: /usr/lib/dri/radeonsi_dri.so: cannot 
> open shared object file: No such file or directory (search paths 
> /usr/lib/riscv64-linux-gnu/dri:\$${ORIGIN}/dri:/usr/lib/dri, suffix _dri)
> failed to load driver: radeonsi
> <information> GLRenderer: GL vendor: Mesa/X.org                               
>                                                                               
>                    
> <information> GLRenderer: GL renderer: softpipe                               
>                                                                               
>                    
> <information> GLRenderer: GL version: OpenGL ES 3.1 Mesa 22.0.5               
>                                                                               
>                    
> <information> GLRenderer: GLSL version: OpenGL ES GLSL ES 3.10

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1980386

Title:
  `radeonsi_dri.so` driver missing on riscv64

Status in llvm-toolchain-15 package in Ubuntu:
  Fix Released
Status in mesa package in Ubuntu:
  Fix Released
Status in llvm-toolchain-15 source package in Jammy:
  In Progress
Status in mesa source package in Jammy:
  Confirmed
Status in llvm-toolchain-15 source package in Kinetic:
  Fix Released
Status in mesa source package in Kinetic:
  Fix Released

Bug description:
  The package is missing the `radeonsi` driver, with the reasoning that
  LLVM is not implemented on the architecture:

  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=995618

  That said, it works just fine on focal, where it is still enabled.
  Without this driver there's no way to use AMD graphics cards on
  RISC-V.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: libgl1-mesa-dri 22.0.1-1ubuntu2
  ProcVersionSignature: User Name 5.15.0-1007.7-generic 5.15.30
  Uname: Linux 5.15.0-1007-generic riscv64
  ApportVersion: 2.20.11-0ubuntu82
  Architecture: riscv64
  CasperMD5CheckResult: unknown
  Date: Thu Jun 30 15:48:11 2022
  ProcCpuinfoMinimal:
   processor    : 3
   hart         : 4
   isa          : rv64imafdc
   mmu          : sv39
   uarch                : sifive,u74-mc
  ProcEnviron:
   TERM=screen-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: mesa
  UpgradeStatus: No upgrade log present (probably fresh install)

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