From 3d49db38708ff139970b9acd5dffa521c5407f93 Mon Sep 17 00:00:00 2001 From: Ivan Molodetskikh Date: Fri, 29 May 2026 14:59:25 +0300 Subject: [PATCH] wiki: Clarify max-bpc docs As discussed: https://oftc.catirclogs.org/wayland/2026-05-29 --- docs/wiki/Configuration:-Outputs.md | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/docs/wiki/Configuration:-Outputs.md b/docs/wiki/Configuration:-Outputs.md index e804ba86..29241c04 100644 --- a/docs/wiki/Configuration:-Outputs.md +++ b/docs/wiki/Configuration:-Outputs.md @@ -15,7 +15,7 @@ output "eDP-1" { variable-refresh-rate // on-demand=true focus-at-startup backdrop-color "#001100" - max-bpc 8 + // max-bpc 8 hot-corners { // off @@ -285,8 +285,12 @@ output "HDMI-A-1" { Since: next release Set the maximum bits per channel (BPC) for this output. -You *do not* need to set this option unless you hit bandwidth issues (can't set a monitor configuration that works on other compositor) or lower-than-expected color depth. -Particularly, 10-bit color output may work even if max-bpc is 8. + +You *do not* need to set this option normally. +It influences the encoding of the display signal on the wire and *is not* directly related to the color bitness or framebuffer format. + +Setting `max-bpc` to a low value may help if you hit a bandwidth issue (can't set a monitor configuration that works on other compositor). +Otherwise, you're advised to leave it unset (keeping a default, usually high value) and let the GPU driver figure things out automatically. Valid values are `6`, `8`, `10`, `12`, `14`, `16`.