vt(4): note that VGA palette configuration is not supported

PR:		261311
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D34431

(cherry picked from commit b126b79b27d479a3bd91e7f58f95ba8ce6b5655a)

diff --git a/share/man/man4/vt.4 b/share/man/man4/vt.4
index bee7ef4e6f454eee459a281397685682210883cf..f41acd11e4e215fd8d6c5a0d81d00c5ddc871d02 100644 (file)
--- a/share/man/man4/vt.4
+++ b/share/man/man4/vt.4
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 14, 2022
+.Dd March 4, 2022
 .Dt "VT" 4
 .Os
 .Sh NAME
@@ -225,6 +225,10 @@ HTML-like hex triplet.
 See
 .Sx EXAMPLES
 below.
+.Pp
+Note: The
+.Nm
+VGA hardware driver does not support palette configuration.
 .It Va kern.vt.fb.default_mode
 Set this value to a graphic mode to override the default mode picked by the
 .Nm