[Nouveau] How to enable OpenCL device in Clover ?

[Andrew Randrianasulu]

I think you can use
NOUVEAU_ENABLE_CL=1 clpeak for example

it skips memory-hungry bandwidth test but then runs partially:

Platform: Clover
  Device: NV106
    Driver version  : 23.3.0-devel (Linux x86)
    Compute units   : 1
    Clock frequency : 512 MHz
SPIR-V WARNING:
    In file ../src/compiler/spirv/spirv_to_nir.c:4681
    Unsupported SPIR-V capability: SpvCapabilityLinkage (5)
    28 bytes into the SPIR-V binary

    Global memory bandwidth (GBPS)
      float   : nve4_launch_grid:905 - Failed to launch grid !

[..]

Single-precision compute (GFLOPS)
      float   : 80.74
      float2  : 41.38
      float4  : 50.49
      float8  : 51.32
      float16 : 53.58

on unreclocked NVIDIA GK208B (2gb ddr3 memory - ha!)
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