sdma_v5_0_load_microcode(9)

✨ sdma_v5_0_load_microcode(9) ✨

okay bestie, welcome to the Kernel API Manual 💅 this page is literally about sdma_v5_0_load_microcode(9) — the function that loads the sDMA ME ucode. no cap, it’s short and sweet, so let’s get into it 🫶

🌸 NAME 🌸

sdma_v5_0_load_microcode — load the sDMA ME ucode ✨

🦋 SYNOPSIS 🦋

int sdma_v5_0_load_microcode (struct amdgpu_device *adev );

🎀 ARGUMENTS 🎀

• adev — an amdgpu_device pointer. that’s the whole argument, bestie 💖

👑 DESCRIPTION 👑

This one loads the sDMA0/1 ucode, periodt. ✨

It returns 0 for success, and returns -EINVAL if the ucode is not available. that’s the vibe check 😭

🌈 SEE ALSO 🌈

• Kernel file: ./drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
• sdma_v5_0_init_microcode(9)
• sdma_v5_0_ring_get_rptr(9)
• sdma_v5_0_ring_get_wptr(9)
• sdma_v5_0_ring_set_wptr(9)
• sdma_v5_0_ring_emit_ib(9)
• sdma_v5_0_ring_emit_mem_sync(9)
• sdma_v5_0_ring_emit_hdp_flush(9)
• sdma_v5_0_ring_emit_fence(9)
• sdma_v5_0_gfx_stop(9)
• sdma_v5_0_rlc_stop(9)
• sdma_v5_0_ctx_switch_enable(9)
• sdma_v5_0_enable(9)
• sdma_v5_0_gfx_resume_instance(9)
• sdma_v5_0_gfx_resume(9)
• sdma_v5_0_rlc_resume(9)
• sdma_v5_0_start(9)
• sdma_v5_0_ring_test_ring(9)
• sdma_v5_0_ring_test_ib(9)
• sdma_v5_0_vm_copy_pte(9)
• sdma_v5_0_vm_write_pte(9)
• sdma_v5_0_vm_set_pte_pde(9)
• sdma_v5_0_ring_pad_ib(9)
• sdma_v5_0_ring_emit_pipeline_sync(9)
• sdma_v5_0_ring_emit_vm_flush(9)
• sdma_v5_0_emit_copy_buffer(9)
• sdma_v5_0_emit_fill_buffer(9)

source bestie: ./drivers/gpu/drm/amd/amdgpu • date: October 2026 • page: sdma_v5_0_load_microcode(9) in the Kernel API Manual — mwah, bye 💜