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wlr_output: Add adaptive_sync_supported

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This will let compositors know if changing adaptive_sync state has any
chance of working. When false, then the current state is the only
supported state, including if adaptive_sync is currently enabled as is
the case for Wayland and X11 backends.

When true, changing state might succeed, but no guarantee is made. It
just indicates that the backend does not already know it to be
impossible.
This commit is contained in:
Kenny Levinsen 2024-04-19 16:37:40 +02:00 • committed by Kirill Primak
parent 55bee71a53
commit f10327f915
2 changed files with 11 additions and 0 deletions
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6
backend/drm/drm.c
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@ -1586,6 +1586,12 @@ static bool connect_drm_connector(struct wlr_drm_connector *wlr_conn,
}
}
uint64_t vrr_capable = 0;
if (wlr_conn->props.vrr_capable != 0) {
get_drm_prop(drm->fd, wlr_conn->id, wlr_conn->props.vrr_capable, &vrr_capable);
}
output->adaptive_sync_supported = vrr_capable;
size_t edid_len = 0;
uint8_t *edid = get_drm_prop_blob(drm->fd,
wlr_conn->id, wlr_conn->props.edid, &edid_len);