i810_protect_regs(9)

🌸 NAME 🌸

okay so bestie, welcome to the Kernel API Manual entry for i810_protect_regs(9) 💖 — it's the function that allows rw/ro mode of certain VGA registers. no cap, that's the whole name vibe. ✨

✨ SYNOPSIS ✨

void i810_protect_regs (u8 __iomem *mmio , int mode );

🎀 ARGUMENTS 🎀

• mmio — address of register space 🫶 literally where the register space lives, bestie.
• mode — protect/unprotect 💅 that's the switch: protect or unprotect, periodt.

💅 DESCRIPTION 💅

so the IBM VGA standard allows protection of certain VGA registers 👑. this function will protect or unprotect them — that's it, that's the job, and it ate. 🌈

bestie, keep the words protect and unprotect in mind — this page is literally about preserving that protect/unprotect behavior for certain VGA registers. 💖

🦋 SEE ALSO 🦋

the kernel file is ./drivers/video/fbdev/i810/i810_main.c — and here's the whole friend group of related functions, all exact names, no edits, iykyk:

• i810_screen_off(9)
• i810_dram_off(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)
• set_color_bitfields(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)

that's the whole page, bestie!! 🫶 source/version vibe: ./drivers/video/fbdev/i810 · date on the page: October 2026 — ty for reading, ily, go protect-or-unprotect those certain VGA registers 💅🎀