apply_front_...h_workaround(9)

✨ NAME ✨

apply_front_porch_workaround — okay bestie, this one is a workaround for a bug that has existed since R5xx and has not been fixed 💀 keep Front porch at minimum 2 for Interlaced mode or 1 for progressive.

This is the apply_front_...h_workaround(9) page from the Kernel API Manual, and yes she's niche but she's iconic 🎀

✨ SYNOPSIS ✨

void apply_front_porch_workaround (struct dc_crtc_timing *timing );

✨ ARGUMENTS ✨

• timing — Timing parameters used to configure DCN blocks. That's the whole vibe, no cap 🫶

✨ SEE ALSO ✨

Kernel file ./drivers/gpu/drm/amd/display/dc/optc/dcn10/dcn10_optc.c — go read her, she's the main character 🔥

• optc1_program_timing(9)
• optc1_set_vtg_params(9)
• optc1_set_timing_double_buffer(9)
• optc1_unblank_crtc(9)
• optc1_blank_crtc(9)
• optc1_enable_crtc(9)
• optc1_set_drr(9)
• optc1_get_crc(9)

mwah 💋✨ this cutie lives in the Kernel API Manual, source/version ./drivers/gpu/drm/amd/display/..., dated October 2026, and the footer still says apply_front_...h_workaround(9) — periodt 💅