set_color_bitfields(9)

💅 set_color_bitfields(9) — Kernel API Manual, bestie edition 🎀

okay so this is a lil function from the Kernel API Manual and honestly? it's giving "tiny but does the most". let's get into it ✨

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✨ NAME ✨

set_color_bitfields — sets rgba fields 🎨

like, yes, that's the whole name and it ate.

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🌸 SYNOPSIS 🌸

void set_color_bitfields (struct fb_var_screeninfo *var );

no return value, no drama, she just does the thing 💅

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🦋 ARGUMENTS 🦋

• var — pointer to fb_var_screeninfo. yes bestie, it's a pointer, so she's reaching straight into that struct and rearranging furniture 🪑

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💖 DESCRIPTION 💖

The length, offset and ordering for each color field (red, green, blue) will be set as specified by the hardware.

that's it. that's the whole vibe. red, green, blue — length, offset, ordering — all three get set to whatever the hardware says, no cap 🫶 the hardware is the main character here and this function just takes notes 📝

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👑 SEE ALSO 👑

Kernel file ./drivers/video/fbdev/i810/i810_main.c — and honestly the whole i810 friend group showed up, so here's the full squad 🫶:

• i810_screen_off(9)
• i810_dram_off(9)
• i810_protect_regs(9)
• i810_load_pll(9)
• i810_load_vga(9)
• i810_load_vgax(9)
• i810_load_2d(9)
• i810_hires(9)
• i810_load_pitch(9)
• i810_load_color(9)
• i810_load_regs(9)
• get_line_length(9)
• i810_calc_dclk(9)
• i810_enable_cursor(9)
• i810_init_cursor(9)
• i810_round_off(9)
• i810_check_params(9)
• encode_fix(9)
• decode_var(9)
• i810fb_getcolreg(9)
• i810_init_monspecs(9)
• i810_init_defaults(9)
• i810_init_device(9)

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ngl this page is short but she's iconic — it's in ./drivers/video/fbdev/i810 and it's stamped October 2026, so go read the rest of the i810 lore when you're done here 💜

that's the whole thing bestie, mwah 💋✨