vcn_v5_0_1_mc_resume(9)

💅 vcn_v5_0_1_mc_resume(9) — the Kernel API Manual, bestie edition 🎀

okay so imagine a kernel API manual but make it cute — that's this. it's vcn_v5_0_1_mc_resume(9), straight out of the Kernel API Manual, and honestly it's a whole vibe ✨

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🌸 NAME 🌸

vcn_v5_0_1_mc_resume — memory controller programming, and yes that's the entire personality: it programs the memory controller 🫶

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✨ SYNOPSIS ✨

void vcn_v5_0_1_mc_resume (struct amdgpu_vcn_inst *vinst );

that's it. that's the whole signature. no cap. 🦋

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🎀 ARGUMENTS 🎀

• vinst — the VCN instance. like, the specific one. it's giving "this is the one we're talking about" energy 💖

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💅 DESCRIPTION 💅

so what does it do? it lets the VCN memory controller know its offsets. that's literally it, that's the job, and it eats every time 🔥

lowkey iconic that the description is one line and yet this function is doing real work. main character energy fr fr 👑

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🌈 SEE ALSO 🌈

bestie, the lore is deep — there's a whole crew of vcn_v5_0_1 functions and they all pull up in the same circles:

• the kernel file they all live in: ./drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c 📁
• vcn_v5_0_1_early_init(9)
• vcn_v5_0_1_sw_init(9)
• vcn_v5_0_1_sw_fini(9)
• vcn_v5_0_1_hw_init(9)
• vcn_v5_0_1_hw_fini(9)
• vcn_v5_0_1_suspend(9)
• vcn_v5_0_1_resume(9)
• vcn_v5_0_1_mc_resume_dpg_mode(9)
• vcn_v5_0_1_disable_clock_gating(9)
• vcn_v5_0_1_enable_clock_gating(9)
• vcn_v5_0_1_pause_dpg_mode(9)
• vcn_v5_0_1_start_dpg_mode(9)
• vcn_v5_0_1_start(9)
• vcn_v5_0_1_stop_dpg_mode(9)
• vcn_v5_0_1_stop(9)
• vcn_v5_0_1_unified_ring_get_rptr(9)
• vcn_v5_0_1_unified_ring_get_wptr(9)
• vcn_v5_0_1_unified_ring_set_wptr(9)
• vcn_v5_0_1_set_unified_ring_funcs(9)
• vcn_v5_0_1_is_idle(9)
• vcn_v5_0_1_wait_for_idle(9)
• vcn_v5_0_1_set_clockgating_state(9)
• vcn_v5_0_1_process_interrupt(9)
• vcn_v5_0_1_set_irq_funcs(9)

iykyk 💜

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ngl there's no warnings, no exit statuses, no env vars on this one — it's a short page and we respect that 🙈

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okay that's the whole page!! mwah 💋 this little cutie came from ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and it goes by vcn_v5_0_1_mc_resume(9) — go stan. periodt. 🌟