[src/trunk]: src/sys/arch/arm/nvidia no need for exact match on tmds mode, ju...

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

details:   https://anonhg.NetBSD.org/src/rev/eada8420f535
branches:  trunk
changeset: 339463:eada8420f535
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Thu Jul 23 15:43:06 2015 +0000

description:
no need for exact match on tmds mode, just use the closest match

diffstat:

 sys/arch/arm/nvidia/tegra_hdmi.c |  12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diffs (36 lines):

diff -r 37e1b5f7b7f2 -r eada8420f535 sys/arch/arm/nvidia/tegra_hdmi.c
--- a/sys/arch/arm/nvidia/tegra_hdmi.c  Thu Jul 23 15:08:19 2015 +0000
+++ b/sys/arch/arm/nvidia/tegra_hdmi.c  Thu Jul 23 15:43:06 2015 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: tegra_hdmi.c,v 1.4 2015/07/23 14:31:05 jmcneill Exp $ */
+/* $NetBSD: tegra_hdmi.c,v 1.5 2015/07/23 15:43:06 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2015 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -29,7 +29,7 @@
 #include "locators.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: tegra_hdmi.c,v 1.4 2015/07/23 14:31:05 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: tegra_hdmi.c,v 1.5 2015/07/23 15:43:06 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -252,11 +252,15 @@
        tegra_car_hdmi_enable(mode->dot_clock * 1000);
 
        for (n = 0; n < __arraycount(tegra_hdmi_tmds_config); n++) {
-               if (tegra_hdmi_tmds_config[n].dot_clock == mode->dot_clock) {
-                       tmds = &tegra_hdmi_tmds_config[n];
+               if (tegra_hdmi_tmds_config[n].dot_clock >= mode->dot_clock) {
                        break;
                }
        }
+       if (n < __arraycount(tegra_hdmi_tmds_config)) {
+               tmds = &tegra_hdmi_tmds_config[n];
+       } else {
+               tmds = &tegra_hdmi_tmds_config[__arraycount(tegra_hdmi_tmds_config) - 1];
+       }
        if (tmds != NULL) {
                HDMI_WRITE(sc, HDMI_NV_PDISP_SOR_PLL0_REG, tmds->sor_pll0);
                HDMI_WRITE(sc, HDMI_NV_PDISP_SOR_PLL1_REG, tmds->sor_pll1);