r600_get_xclk(9)

✨ r600_get_xclk ✨

okay bestie, this is the r600_get_xclk(9) page from the Kernel API Manual and it's honestly shorter than my attention span, so let's go 💅

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🌸 NAME 🌸

r600_get_xclk — get the xclk 🎀

like, literally just. get the xclk. that's the whole job. iconic.

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🦋 SYNOPSIS 🦋

u32 r600_get_xclk (struct radeon_device *rdev );

that's it. one function, one argument, one u32 coming back atcha 🔥

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💖 ARGUMENTS 💖

• rdev — a radeon_device pointer. yes queen, that's the whole description. she's a pointer to your radeon device and that's all we're getting 🫶

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⭐ DESCRIPTION ⭐

so what does it actually do? it returns the reference clock used by the gfx engine ✨ and the vibes apply to r6xx, IGPs, and APUs — so like, a bunch of the family, all covered, no cap 💜

that reference clock? that's your xclk, bestie. now you know. iykyk 🧚

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👑 SEE ALSO 👑

• the kernel file ./drivers/gpu/drm/radeon/r600.c — go read the source, it's giving main character energy 📖
• r600_get_allowed_info_register(9)
• r600_vram_gtt_location(9)
• r600_gfx_is_lockup(9)
• r600_semaphore_ring_emit(9)
• r600_copy_cpdma(9)
• r600_mmio_hdp_flush(9)
• r600_get_gpu_clock_counter(9)

the whole friend group, all linked up 🌈

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aaaand that's the page!! 🎀 source situation: ./drivers/gpu/drm/radeon, dated October 2026, and the header/footer both say r600_get_xclk(9) — so if you need to cite her, that's the tag 💖 slay, bye bestie 👑✨