drm_edid_is_valid(9)

💅 drm_edid_is_valid(9) — the vibe check for your EDID data ✨

okay so bestie, welcome to the Kernel API Manual, DRM edition 🎀 this one lives in the kernel docs and it's literally the glow-up inspector for monitor data. no cap.

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✨ NAME ✨

drm_edid_is_valid — sanity check EDID data 🫶

like, it's the bouncer at the club door of your display pipeline. if your EDID data doesn't have its life together, this function is gonna know.

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🌸 SYNOPSIS 🌸

bool drm_edid_is_valid (struct edid *edid );

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🦋 ARGUMENTS 🦋

• edid — the EDID data 💖 yes queen, this is the whole record you're putting under the microscope.

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🌈 DESCRIPTION 🌈

Sanity-check an entire EDID record — and yes, that includes the extensions too, not just the base block 👑 we're doing a full-body vibe check here, not a quick glance in the mirror.

it's giving "are you actually okay or are you just pretending" energy, but for bytes 🔥

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⭐ RETURN ⭐

• true — the EDID data is valid 💜 slay, she's healthy, she ate.
• false — the EDID data is not valid 😭 something is off and you should probably go investigate.

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🧚 SEE ALSO 🧚

the kernel file is ./drivers/gpu/drm/drm_edid.c — that's where the magic lives, iykyk 📁✨

and here's the whole friend group, fr fr:

• drm_edid_header_is_valid(9)
• drm_edid_valid(9)
• drm_do_probe_ddc_edid(9)
• drm_edid_override_connector_update(9)
• drm_edid_raw(9)
• drm_edid_alloc(9)
• drm_edid_dup(9)
• drm_edid_free(9)
• drm_probe_ddc(9)
• drm_get_edid(9)
• drm_edid_read_custom(9)
• drm_edid_read_ddc(9)
• drm_edid_read(9)
• drm_edid_get_product_id(9)
• drm_edid_print_product_id(9)
• drm_edid_get_panel_id(9)
• drm_edid_read_base_block(9)
• drm_get_edid_switcheroo(9)
• drm_edid_read_switcheroo(9)
• drm_edid_duplicate(9)
• edid_get_quirks(9)
• drm_match_cea_mode(9)
• drm_display_mode_from_cea_vic(9)
• drm_edid_match(9)
• drm_edid_get_monitor_name(9)
• drm_edid_to_sad(9)
• drm_edid_to_speaker_allocation(9)
• drm_av_sync_delay(9)
• drm_detect_hdmi_monitor(9)
• drm_detect_monitor_audio(9)
• drm_default_rgb_quant_range(9)
• drm_edid_connector_update(9)
• drm_edid_connector_add_modes(9)
• drm_connector_update_edid_property(9)
• drm_add_edid_modes(9)
• drm_add_modes_noedid(9)
• drm_hdmi_avi_infoframe_from_display_mode(9)
• drm_hdmi_avi_infoframe_quant_range(9)
• drm_hdmi_vendor_infoframe_from_display_mode(9)
• drm_edid_is_digital(9)

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💀 reminder bestie: this function tells you whether the EDID is valid — it does not fix it for you. you still gotta do the work. main character energy means reading the docs first ✨

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and that's the page!! brought to you by the path ./drivers/gpu/drm 🛣️ dated October 2026 📅 — go forth and validate ur EDIDs, queen 💅🎀🫶