cik_sdma_load_microcode(9)

💅 cik_sdma_load_microcode(9) 💅

okay bestie, this page is from the Kernel API Manual, and it's all about one little function with big “please load my microcode” energy. no cap. 💖

💖 NAME 💖

cik_sdma_load_microcode — load the sDMA ME ucode

✨ SYNOPSIS ✨

int cik_sdma_load_microcode (struct radeon_device *rdev );

🎀 ARGUMENTS 🎀

• rdev — a radeon_device pointer. that's the whole argument, bestie.

🦋 DESCRIPTION 🦋

so this function loads the sDMA0/1 ucode. it returns 0 for success, and it returns -EINVAL if the ucode is not available. that's it, that's the tea. 💅

🌸 SEE ALSO 🌸

Kernel file: ./drivers/gpu/drm/radeon/cik_sdma.c

and these iconic little references are all linked up:

• cik_sdma_get_rptr(9)
• cik_sdma_get_wptr(9)
• cik_sdma_set_wptr(9)
• cik_sdma_ring_ib_execute(9)
• cik_sdma_hdp_flush_ring_emit(9)
• cik_sdma_fence_ring_emit(9)
• cik_sdma_semaphore_ring_emit(9)
• cik_sdma_gfx_stop(9)
• cik_sdma_rlc_stop(9)
• cik_sdma_ctx_switch_enable(9)
• cik_sdma_enable(9)
• cik_sdma_gfx_resume(9)
• cik_sdma_rlc_resume(9)
• cik_sdma_resume(9)
• cik_sdma_fini(9)
• cik_copy_dma(9)
• cik_sdma_ring_test(9)
• cik_sdma_ib_test(9)
• cik_sdma_is_lockup(9)
• cik_sdma_vm_copy_pages(9)
• cik_sdma_vm_write_pages(9)
• cik_sdma_vm_set_pages(9)
• cik_sdma_vm_pad_ib(9)

made with 💖 from the ./drivers/gpu/drm/radeon source/version corner, dated October 2026, and filed under cik_sdma_load_microcode(9). mwah. 🫶