drm_fb_helper_setcmap(9)

💖 drm_fb_helper_setcmap(9) 💖

okay bestie, welcome to the Kernel API Manual ✨ this one's a lil function page and honestly? she's short but she ATE. let's get into it 🫶

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🌸 NAME 🌸

drm_fb_helper_setcmap — literally the implementation for &fb_ops.fb_setcmap 👑 no cap, that's the whole vibe. she's the muscle behind that callback, periodt.

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✨ SYNOPSIS ✨

int drm_fb_helper_setcmap (struct fb_cmap *cmap , struct fb_info *info );

that's it. that's the signature. take it in, it's giving "small but mighty" 💅

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🎀 ARGUMENTS 🎀

• cmap — the cmap you wanna set. that's it, that's the whole thing. the colormap in question 🎨
• info — the fbdev that got registered by the helper. like, the whole helper's fbdev situation 🦋

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🌈 SEE ALSO 🌈

okay this is the part where she name-drops EVERYONE. the whole friend group. the whole group chat 🥰

• Kernel file ./drivers/gpu/drm/drm_fb_helper.c
• fbdev helpers(9)
• drm_fb_helper_restore_fbdev_mode_unlocked(9)
• drm_fb_helper_blank(9)
• drm_fb_helper_prepare(9)
• drm_fb_helper_unprepare(9)
• drm_fb_helper_init(9)
• drm_fb_helper_unregister_info(9)
• drm_fb_helper_fini(9)
• drm_fb_helper_deferred_io(9)
• drm_fb_helper_set_suspend(9)
• drm_fb_helper_set_suspend_unlocked(9)
• drm_fb_helper_ioctl(9)
• drm_fb_helper_check_var(9)
• drm_fb_helper_set_par(9)
• drm_fb_helper_pan_display(9)
• drm_fb_helper_fill_info(9)
• drm_fb_helper_initial_config(9)
• drm_fb_helper_hotplug_event(9)
• drm_fb_helper_gem_is_fb(9)

like, the entire roster fr fr 😭 go read about all of them, iykyk 💜

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ngl this page is short enough that you have zero excuse not to remember it. go off, bestie 💅

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and that's the page!! mwah 🍓 she lives in ./drivers/gpu/drm, dated October 2026, and she's officially drm_fb_helper_setcmap(9) — catch you in the next manpage, love u bye 💖🧚⭐