drm_dp_is_uhbr_rate(9)

💅 drm_dp_is_uhbr_rate(9) 💅

okay so this is a page straight out of the Kernel API Manual, and honestly? it's a little one, but it's an icon. it does exactly one thing and it does it flawlessly. main character energy fr fr.

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✨ NAME ✨

drm_dp_is_uhbr_rate — bestie, this is the "is this link rate UHBR or not" detector 🕵️‍♀️

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🦋 SYNOPSIS 🦋

bool drm_dp_is_uhbr_rate (int link_rate );

like literally one function, one arg, returns a bool. no cap, that's the whole vibe.

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🎀 ARGUMENTS 🎀

• link_rate — the link rate, but listen: it's measured in 10kbits/s units. so do NOT come in here throwing raw bps at it, the units matter, iykyk 💅

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🌸 DESCRIPTION 🌸

so basically this function looks at the link rate you handed it and goes "hmm… is this an UHBR rate?" 👑

that's it. that's the whole function. it's giving minimalism. it's giving focus. we stan a single-responsibility queen.

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⭐ RETURN ⭐

returns True if link_rate is an UHBR rate 💖

(and by extension, if it's not… well, it's not True. do with that what you will 🫶)

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🌈 SEE ALSO 🌈

literally the whole friend group, they all show up together. also worth peeking at the kernel file ./include/drm/display/drm_dp_helper.h ✨

• struct drm_dp_vsc_sdp(9)
• struct drm_dp_as_sdp(9)
• drm_dp_dsc_sink_supports_format(9)
• drm_edp_backlight_supported(9)
• struct drm_dp_aux_msg(9)
• struct drm_dp_aux_cec(9)
• struct drm_dp_aux(9)
• drm_dp_dpcd_readb(9)
• drm_dp_dpcd_read_data(9)
• drm_dp_dpcd_write_data(9)
• drm_dp_dpcd_writeb(9)
• drm_dp_dpcd_read_byte(9)
• drm_dp_dpcd_write_byte(9)
• struct drm_dp_desc(9)
• enum drm_dp_quirk(9)
• drm_dp_has_quirk(9)
• struct drm_edp_backlight_info(9)
• struct drm_dp_phy_test_params(9)

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💀 reminder bestie: this page lives under ./include/drm/display and the version stamp is October 2026 — so if you're reading this from the future, hiii, hope the kernel is slaying 🧚💜

and that's the whole page!! short, sweet, ate, left no crumbs. periodt. 🍓👑