[src/trunk]: src/sys/arch/arm/rockchip rkdrm: Comment why we config_defer rk_...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/583a43cdfea0
branches:  trunk
changeset: 1029027:583a43cdfea0
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sun Dec 19 12:45:04 2021 +0000

description:
rkdrm: Comment why we config_defer rk_drm_init.

diffstat:

 sys/arch/arm/rockchip/rk_drm.c |  8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diffs (29 lines):

diff -r 5c433035d88f -r 583a43cdfea0 sys/arch/arm/rockchip/rk_drm.c
--- a/sys/arch/arm/rockchip/rk_drm.c    Sun Dec 19 12:44:57 2021 +0000
+++ b/sys/arch/arm/rockchip/rk_drm.c    Sun Dec 19 12:45:04 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rk_drm.c,v 1.16 2021/12/19 12:43:37 riastradh Exp $ */
+/* $NetBSD: rk_drm.c,v 1.17 2021/12/19 12:45:04 riastradh Exp $ */
 
 /*-
  * Copyright (c) 2019 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rk_drm.c,v 1.16 2021/12/19 12:43:37 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rk_drm.c,v 1.17 2021/12/19 12:45:04 riastradh Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -167,6 +167,10 @@
 
        fdt_remove_bycompat(fb_compatible);
 
+       /*
+        * Wait until rk_vop is attached as a sibling to this device --
+        * we need that to actually display our framebuffer.
+        */
        config_defer(self, rk_drm_init);
 }