sdma_v5_2_load_microcode(9)
πΈ sdma_v5_2_load_microcode(9) β straight from the Kernel API Manual πΈ
okay so bestie, imagine you're flipping through the Kernel API Manual and you land on this icon. it's giving "niche but essential" and honestly? we're obsessed. lowkey main character energy, no cap.
β¨ NAME β¨
sdma_v5_2_load_microcode β loads the sDMA ME ucode. that's the whole assignment, periodt. ngl, it's iconic.
π SYNOPSIS π
int sdma_v5_2_load_microcode (struct amdgpu_device *adev );
π ARGUMENTS π
adevβ a pointer to theamdgpu_devicestruct. think of it as the main character of your GPU's whole situation. highkey essential.
π DESCRIPTION π
so this function right here? it loads the sDMA0/1/2/3 ucode β all four of them, fr fr. not one, not two, not three, but sDMA0/1/2/3 ucode. slay. π
ngl, if everything goes off without a hitch, it returns 0. success! we love to see it. π but if the ucode is not available? it hits you with -EINVAL and you're just standing there like π. no ucode, no service. that's the vibe. π
vibe check:0= success,-EINVAL= ucode not available. don't @ me.
π¦ SEE ALSO π¦
the source file is literally right here, bestie β iykyk:
Kernel file `./drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c`
and here's the whole friend group β every single one of these functions is in the SEE ALSO, so don't skip any, fr:
sdma_v5_2_ring_get_rptr(9)sdma_v5_2_ring_get_wptr(9)sdma_v5_2_ring_set_wptr(9)sdma_v5_2_ring_emit_ib(9)sdma_v5_2_ring_emit_mem_sync(9)sdma_v5_2_ring_emit_hdp_flush(9)sdma_v5_2_ring_emit_fence(9)sdma_v5_2_gfx_stop(9)sdma_v5_2_rlc_stop(9)sdma_v5_2_ctx_switch_enable(9)sdma_v5_2_enable(9)sdma_v5_2_gfx_resume_instance(9)sdma_v5_2_gfx_resume(9)sdma_v5_2_rlc_resume(9)sdma_v5_2_start(9)sdma_v5_2_ring_test_ring(9)sdma_v5_2_ring_test_ib(9)sdma_v5_2_vm_copy_pte(9)sdma_v5_2_vm_write_pte(9)sdma_v5_2_vm_set_pte_pde(9)sdma_v5_2_ring_pad_ib(9)sdma_v5_2_ring_emit_pipeline_sync(9)sdma_v5_2_ring_emit_vm_flush(9)sdma_v5_2_emit_copy_buffer(9)sdma_v5_2_emit_fill_buffer(9)
this entire gem is from the Kernel API Manual, source in ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and the function name is sdma_v5_2_load_microcode(9). mwah πβ¨π«Ά
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms