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kms: revient au mode prefere pour le choix initial de sortie

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Revient sur 7187efd5, qui elisait le rafraichissement le plus eleve a la
resolution native au lieu du mode marque PREFERRED.

Sans effet au quotidien : ~/.local/state/cosmic-comp/outputs.ron memorise
le mode choisi par sortie et pin deja DP-1 en 3840x2160 a 119,88 Hz.
populate_modes ne decide qu'en l'absence d'etat memorise, c'est-a-dire sur
un profil neuf ou un ecran jamais vu.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
Lionel DARNIS 2026-08-21 09:54:25 +02:00
parent be1fab51ea
commit 8ac198de15
1 changed files with 3 additions and 14 deletions
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17
src/backend/kms/device.rs
View file

@ -1241,26 +1241,15 @@ fn populate_modes(
) -> Result<()> {
let conn_info = drm.get_connector(conn, false)?;
let max_bpc = drm_helpers::get_max_bpc(drm, conn)?.map(|(_val, range)| range.end.min(16));
let preferred = conn_info
let Some(mode) = conn_info
.modes()
.iter()
.find(|mode| mode.mode_type().contains(ModeTypeFlags::PREFERRED))
.copied()
.or(conn_info.modes().first().copied());
let Some(preferred) = preferred else {
.or(conn_info.modes().first().copied())
else {
anyhow::bail!("No mode found");
};
// Prefer the highest refresh rate at the native resolution so that
// high-refresh panels (120 Hz, 144 Hz, …) are used out-of-the-box
// without a pre-existing outputs.ron config.
let preferred_size = preferred.size();
let mode = conn_info
.modes()
.iter()
.filter(|m| m.size() == preferred_size)
.max_by_key(|m| drm_helpers::calculate_refresh_rate(**m))
.copied()
.unwrap_or(preferred);
let refresh_rate = drm_helpers::calculate_refresh_rate(mode);
let output_mode = OutputMode {