[src/trunk]: src/sys/arch/arm/sunxi Try to avoid changing hardware settings w...

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

details:   https://anonhg.NetBSD.org/src/rev/e95fc37dc8ff
branches:  trunk
changeset: 465481:e95fc37dc8ff
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sun Nov 24 10:27:37 2019 +0000

description:
Try to avoid changing hardware settings when the "nomodeset" kernel arg
is present.

diffstat:

 sys/arch/arm/sunxi/sun50i_a64_ccu.c |  30 ++++++++++++++++++------------
 sys/arch/arm/sunxi/sunxi_dwhdmi.c   |  12 ++++++++++--
 sys/arch/arm/sunxi/sunxi_platform.c |  12 +++++++++---
 3 files changed, 37 insertions(+), 17 deletions(-)

diffs (137 lines):

diff -r 383ec2e9dcb7 -r e95fc37dc8ff sys/arch/arm/sunxi/sun50i_a64_ccu.c
--- a/sys/arch/arm/sunxi/sun50i_a64_ccu.c       Sun Nov 24 09:37:05 2019 +0000
+++ b/sys/arch/arm/sunxi/sun50i_a64_ccu.c       Sun Nov 24 10:27:37 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sun50i_a64_ccu.c,v 1.19 2019/11/23 22:46:53 jmcneill Exp $ */
+/* $NetBSD: sun50i_a64_ccu.c,v 1.20 2019/11/24 10:27:37 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2017 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -28,7 +28,7 @@
 
 #include <sys/cdefs.h>
 
-__KERNEL_RCSID(1, "$NetBSD: sun50i_a64_ccu.c,v 1.19 2019/11/23 22:46:53 jmcneill Exp $");
+__KERNEL_RCSID(1, "$NetBSD: sun50i_a64_ccu.c,v 1.20 2019/11/24 10:27:37 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -601,6 +601,8 @@
 {
        struct sunxi_ccu_softc * const sc = device_private(self);
        struct fdt_attach_args * const faa = aux;
+       prop_dictionary_t prop = device_properties(self);
+       bool nomodeset;
 
        sc->sc_dev = self;
        sc->sc_phandle = faa->faa_phandle;
@@ -618,19 +620,23 @@
        aprint_naive("\n");
        aprint_normal(": A64 CCU\n");
 
-       /* Set DE parent to PLL_DE */
-       clk_set_parent(&sc->sc_clks[A64_CLK_DE].base, &sc->sc_clks[A64_CLK_PLL_DE].base);
-       clk_set_rate(&sc->sc_clks[A64_CLK_PLL_DE].base, 420000000);
+       nomodeset = false;
+       prop_dictionary_get_bool(prop, "nomodeset", &nomodeset);
+       if (!nomodeset) {
+               /* Set DE parent to PLL_DE */
+               clk_set_parent(&sc->sc_clks[A64_CLK_DE].base, &sc->sc_clks[A64_CLK_PLL_DE].base);
+               clk_set_rate(&sc->sc_clks[A64_CLK_PLL_DE].base, 420000000);
 
-       /* Set video PLLs to 297 MHz */
-       clk_set_rate(&sc->sc_clks[A64_CLK_PLL_VIDEO0].base, 297000000);
-       clk_set_rate(&sc->sc_clks[A64_CLK_PLL_VIDEO1].base, 297000000);
+               /* Set video PLLs to 297 MHz */
+               clk_set_rate(&sc->sc_clks[A64_CLK_PLL_VIDEO0].base, 297000000);
+               clk_set_rate(&sc->sc_clks[A64_CLK_PLL_VIDEO1].base, 297000000);
 
-       /* Set TCON1 parent to PLL_VIDEO1(1X) */
-       clk_set_parent(&sc->sc_clks[A64_CLK_TCON1].base, &sc->sc_clks[A64_CLK_PLL_VIDEO1].base);
+               /* Set TCON1 parent to PLL_VIDEO1(1X) */
+               clk_set_parent(&sc->sc_clks[A64_CLK_TCON1].base, &sc->sc_clks[A64_CLK_PLL_VIDEO1].base);
 
-       /* Set HDMI parent to PLL_VIDEO1(1X) */
-       clk_set_parent(&sc->sc_clks[A64_CLK_HDMI].base, &sc->sc_clks[A64_CLK_PLL_VIDEO1].base);
+               /* Set HDMI parent to PLL_VIDEO1(1X) */
+               clk_set_parent(&sc->sc_clks[A64_CLK_HDMI].base, &sc->sc_clks[A64_CLK_PLL_VIDEO1].base);
+       }
 
        sunxi_ccu_print(sc);
 }
diff -r 383ec2e9dcb7 -r e95fc37dc8ff sys/arch/arm/sunxi/sunxi_dwhdmi.c
--- a/sys/arch/arm/sunxi/sunxi_dwhdmi.c Sun Nov 24 09:37:05 2019 +0000
+++ b/sys/arch/arm/sunxi/sunxi_dwhdmi.c Sun Nov 24 10:27:37 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sunxi_dwhdmi.c,v 1.7 2019/11/23 18:55:08 jmcneill Exp $ */
+/* $NetBSD: sunxi_dwhdmi.c,v 1.8 2019/11/24 10:27:37 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2019 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sunxi_dwhdmi.c,v 1.7 2019/11/23 18:55:08 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sunxi_dwhdmi.c,v 1.8 2019/11/24 10:27:37 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -228,12 +228,20 @@
 {
        struct sunxi_dwhdmi_softc * const sc = device_private(self);
        struct fdt_attach_args * const faa = aux;
+       prop_dictionary_t prop = device_properties(self);
        const int phandle = faa->faa_phandle;
        struct clk *clk_iahb, *clk_isfr, *clk_tmds;
        struct fdtbus_reset *rst;
+       bool is_disabled;
        bus_addr_t addr;
        bus_size_t size;
 
+       if (prop_dictionary_get_bool(prop, "disabled", &is_disabled) && is_disabled) {
+               aprint_naive("\n");
+               aprint_normal(": HDMI TX (disabled)\n");
+               return;
+       }
+
        if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) {
                aprint_error(": couldn't get registers\n");
                return;
diff -r 383ec2e9dcb7 -r e95fc37dc8ff sys/arch/arm/sunxi/sunxi_platform.c
--- a/sys/arch/arm/sunxi/sunxi_platform.c       Sun Nov 24 09:37:05 2019 +0000
+++ b/sys/arch/arm/sunxi/sunxi_platform.c       Sun Nov 24 10:27:37 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sunxi_platform.c,v 1.37 2019/06/17 05:27:01 mrg Exp $ */
+/* $NetBSD: sunxi_platform.c,v 1.38 2019/11/24 10:27:37 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2017 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -31,7 +31,7 @@
 #include "opt_console.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sunxi_platform.c,v 1.37 2019/06/17 05:27:01 mrg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sunxi_platform.c,v 1.38 2019/11/24 10:27:37 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -230,11 +230,17 @@
                }
        }
 
-       if (device_is_a(self, "sunxidrm")) {
+       if (device_is_a(self, "sunxidrm") || device_is_a(self, "dwhdmi")) {
                if (get_bootconf_option(boot_args, "nomodeset", BOOTOPT_TYPE_BOOLEAN, &val))
                        if (val)
                                prop_dictionary_set_bool(prop, "disabled", true);
        }
+
+       if (device_is_a(self, "sun50ia64ccu0")) {
+               if (get_bootconf_option(boot_args, "nomodeset", BOOTOPT_TYPE_BOOLEAN, &val))
+                       if (val)
+                               prop_dictionary_set_bool(prop, "nomodeset", true);
+       }
 }
 
 static u_int