evergreen_bandwidth_update(9)

💅 evergreen_bandwidth_update(9) — like, the whole vibe

okay so bestie, welcome to the Kernel API Manual entry for evergreen_bandwidth_update(9). yes that's the header, yes i folded it in, we're being casual about it. this one is short but she's important, so pay attention 🎀

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✨ NAME ✨

evergreen_bandwidth_update — the callback that updates your display watermarks. that's it. that's the whole name. iconic, brief, no notes 👑

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🌸 SYNOPSIS 🌸

void evergreen_bandwidth_update (struct radeon_device *rdev );

literally just one function, one argument, returns nothing (void). lowkey minimal queen behaviour ✨

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🦋 ARGUMENTS 🦋

• rdev — a radeon_device pointer. that's the whole thing. she takes the device pointer and gets to work 🫶

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💖 DESCRIPTION 💖

so what does she actually do? she updates the display watermarks based on whichever mode(s) you requested. and just so we're clear, this is an evergreen+ situation — that + is doing a lot of work, iykyk 👑

no cap, that's the entire description. she's a callback, she does her job, she doesn't overexplain herself 💅

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⭐ SEE ALSO ⭐

go read the source, bestie, it's right here:

Kernel file ./drivers/gpu/drm/radeon/evergreen.c

and then the whole friend group — every single one of these, no skipping 🙈:

• evergreen_get_allowed_info_register(9)
• dce4_wait_for_vblank(9)
• evergreen_page_flip(9)
• evergreen_page_flip_pending(9)
• sumo_pm_init_profile(9)
• btc_pm_init_profile(9)
• evergreen_pm_misc(9)
• evergreen_pm_prepare(9)
• evergreen_pm_finish(9)
• evergreen_hpd_sense(9)
• evergreen_hpd_set_polarity(9)
• evergreen_hpd_init(9)
• evergreen_hpd_fini(9)
• evergreen_mc_wait_for_idle(9)
• evergreen_gfx_is_lockup(9)

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ngl if you got here looking for a long options list, sorry babe, she has zero flags. no -a, no --all, just a pointer and a dream 🍓

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and that's a wrap, bestie!! 🧚 this page lives in ./drivers/gpu/drm/radeon and it's dated October 2026, so like… mark your calendar or whatever 💜 stay hydrated, go read evergreen.c, and remember: watermarks don't update themselves. periodt. 💅🔥