amdgpu_devic...gating_state(9)

💅 amdgpu_device_ip_get_clockgating_state — the kernel API manual, but make it make sense

okay so bestie, welcome to the glow-up edition of amdgpu_devic...gating_state(9) from the Kernel API Manual. yes the title is truncated with dots in the header, that's just how the manpage stylists do it, don't come for them 🎀

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✨ NAME ✨

amdgpu_device_ip_get_clockgating_state — get the CG state 🫶

like, literally just fetch the clockgating state. that's the whole vibe.

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🌸 SYNOPSIS 🌸

void amdgpu_device_ip_get_clockgating_state (struct amdgpu_device *adev
, u64 *flags );

it returns void, so don't go looking for a return value, bestie, there isn't one 💀

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🦋 ARGUMENTS 🦋

• adev — an amdgpu_device pointer. yeah. the device. the main character of this whole situation 👑
• flags — the clockgating feature flags. you hand it over and it gets updated, iykyk.

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🔥 DESCRIPTION 🔥

so what actually happens? it walks the list of IPs on the device and updates the clockgating flags for each IP. that's it, that's the plot ✨

more specifically, it updates flags with the feature flags for each hardware IP where clockgating is enabled. so the ones that aren't clockgated? not invited to the party 🙈 the ones that are? they're getting their flags written in, periodt 💅

ngl this one's a getter with side effects on your flags pointer, so be chill about that and make sure you actually want it written to. no cap.

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🌈 SEE ALSO 🌈

starting with the kernel file, iconic behaviour:

• Kernel file ./drivers/gpu/drm/amd/amdgpu/amdgpu_ip.c
• amdgpu_device_ip_get_ip_block(9)
• amdgpu_device_ip_block_version_cmp(9)
• amdgpu_device_ip_block_add(9)
• amdgpu_device_ip_set_clockgating_state(9)
• amdgpu_device_ip_set_powergating_state(9)
• amdgpu_device_ip_wait_for_idle(9)
• amdgpu_device_ip_is_valid(9)
• amdgpu_ip_from_ring(9)
• amdgpu_ring_mask_from_ip(9)
• amdgpu_device_ip_soft_reset(9)

the whole friend group fr fr 🧚💜

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💖 that's the page!! sourced from ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and yes it's filed under amdgpu_devic...gating_state(9) — go read it again if you forgot anything, slay 🎀⭐