drm_hdmi_co...r_mode_valid(9)

🦋 drm_hdmi_connector_mode_valid(9) 🦋

okay so bestie, we're in the Kernel API Manual today and this one's actually kind of a little legend: drm_hdmi_connector_mode_valid — the function that looks at a mode and goes "yeah that slaps" or "no <3". Let's get into it 💅

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✨ NAME ✨

drm_hdmi_connector_mode_valid — check if a mode is valid for an HDMI connector, periodt. That's literally the whole job 🎀

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🌸 SYNOPSIS 🌸

enum drm_mode_status drm_hdmi_connector_mode_valid (struct drm_connector
*connector , const struct drm_display_mode *mode );

like… it takes two pointers and returns a enum drm_mode_status. no cap, that's the whole vibe check 🫶

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💖 ARGUMENTS 💖

• connector — the DRM connector we're validating the mode for. this is the main character of the operation ngl 🔥
• mode — the display mode to validate. we're checking this one, bestie, no substitutes 💀

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⭐ DESCRIPTION ⭐

so basically: this is the generic .mode_valid implementation for HDMI connectors ✨. that's it, that's the description, iykyk — it's the stock answer for HDMI connectors so you don't have to hand-roll your own 🧚

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👑 SEE ALSO 👑

the kernel file lives at ./drivers/gpu/drm/display/drm_hdmi_state_helper.c (go say hi 🌈), and also you're gonna want these besties:

• hdmi helpers(9)
• __drm_atomic_helper_connector_hdmi_state_init(9)
• drm_atomic_helper_connector_hdmi_check(9)
• drm_atomic_helper_connector_hdmi_update_infoframes(9)
• drm_atomic_helper_connector_hdmi_update_audio_infoframe(9)
• drm_atomic_helper_connector_hdmi_clear_audio_infoframe(9)
• drm_atomic_helper_connector_hdmi_hotplug(9)
• drm_atomic_helper_connector_hdmi_force(9)

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and that's the page!! 🍓 fr fr you're now an expert on HDMI mode validation. big slay 💜

cute little sign-off: this one came out of ./drivers/gpu/drm/display, dated October 2026, and it's filed under drm_hdmi_co...r_mode_valid(9) in the Kernel API Manual. mwah 💋✨