[src/trunk]: src/sys/arch/evbarm/awin Allow for overriding DVI/HDMI detection...

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

details:   https://anonhg.NetBSD.org/src/rev/c63644272d4d
branches:  trunk
changeset: 803940:c63644272d4d
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Mon Nov 17 00:50:40 2014 +0000

description:
Allow for overriding DVI/HDMI detection with a kernel boot arg. Set
hdmi.forcemode=dvi or hdmi.forcemode=hdmi to disable auto-detection.

diffstat:

 sys/arch/evbarm/awin/awin_machdep.c |  18 ++++++++++++++++--
 1 files changed, 16 insertions(+), 2 deletions(-)

diffs (39 lines):

diff -r ffa75b096b0b -r c63644272d4d sys/arch/evbarm/awin/awin_machdep.c
--- a/sys/arch/evbarm/awin/awin_machdep.c       Mon Nov 17 00:49:32 2014 +0000
+++ b/sys/arch/evbarm/awin/awin_machdep.c       Mon Nov 17 00:50:40 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: awin_machdep.c,v 1.28 2014/11/14 19:47:36 jmcneill Exp $ */
+/*     $NetBSD: awin_machdep.c,v 1.29 2014/11/17 00:50:40 jmcneill Exp $ */
 
 /*
  * Machine dependent functions for kernel setup for TI OSK5912 board.
@@ -125,7 +125,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: awin_machdep.c,v 1.28 2014/11/14 19:47:36 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: awin_machdep.c,v 1.29 2014/11/17 00:50:40 jmcneill Exp $");
 
 #include "opt_machdep.h"
 #include "opt_ddb.h"
@@ -769,6 +769,20 @@
                }
        }
 
+       if (device_is_a(self, "awinhdmi")) {
+               char *display_mode;
+               if (get_bootconf_option(boot_args, "hdmi.forcemode",
+                   BOOTOPT_TYPE_STRING, &display_mode)) {
+                       if (strcasecmp(display_mode, "hdmi") == 0) {
+                               prop_dictionary_set_cstring(dict,
+                                   "display-mode", "hdmi");
+                       } else if (strcasecmp(display_mode, "dvi") == 0) {
+                               prop_dictionary_set_cstring(dict,
+                                   "display-mode", "dvi");
+                       }
+               }
+       }
+
 #if NGENFB > 0
        if (device_is_a(self, "genfb")) {
 #ifdef DDB