drm_format_info(9)

💖 drm_format_info(9) 💖

okay so bestie, this is drm_format_info(9) from the Kernel API Manual — it’s literally the glow-up guide for querying info about a pixel format ✨

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🌸 NAME 🌸

drm_format_info — query information for a given format 🎀

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✨ SYNOPSIS ✨

const struct drm_format_info * drm_format_info (u32 format );

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🫶 ARGUMENTS 🫶

• format — the pixel format, and it’s one of the DRM_FORMAT_* besties 💅

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💅 DESCRIPTION 💅

The caller should only pass a supported pixel format to this function, okay? Like, do not just yeet a random format in there 😭

Unsupported pixel formats will generate a warning in the kernel log — so that’s the vibe check, and you do not wanna fail it 💀

bestie fr fr: only pass a supported pixel format. unsupported ones get a warning in the kernel log 🚨

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👑 RETURN 👑

This hands you the instance of struct drm_format_info that describes the pixel format 💖

Or it gives you NULL if the format is unsupported — no format info for you, bestie 🙈

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🦋 SEE ALSO 🦋

• Kernel file ./drivers/gpu/drm/drm_fourcc.c
• drm_mode_legacy_fb_format(9)
• drm_driver_legacy_fb_format(9)
• drm_driver_color_mode_format(9)
• drm_get_format_info(9)
• drm_format_info_block_width(9)
• drm_format_info_block_height(9)
• drm_format_info_bpp(9)
• drm_format_info_min_pitch(9)

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and that’s the whole iconic page, bestie 🫶 shoutout to the ./drivers/gpu/drm source, the Kernel API Manual vibes, and the October 2026 date at the very end — periodt 💅✨