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Fix Raspberry Pi booting with LPAE kernel

This commit is contained in:
Peter Robinson 2017-07-18 23:31:40 +01:00
parent 9ba8d88eae
commit 10e5813755
2 changed files with 110 additions and 0 deletions
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105
Revert-ARM-dts-bcm2835-Add-the-DSI-module-nodes-and-.patch Normal file
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@ -0,0 +1,105 @@
From 7d9e74c53a4376245b4f05006f42184a1540dee8 Mon Sep 17 00:00:00 2001
From: Peter Robinson <pbrobinson@gmail.com>
Date: Tue, 18 Jul 2017 23:21:50 +0100
Subject: [PATCH] Revert "ARM: dts: bcm2835: Add the DSI module nodes and
clocks."
This reverts commit 4aba4cf820545ca8ec23785c7bac40bba7e505c5.
---
arch/arm/boot/dts/bcm2835-rpi.dtsi | 8 -------
arch/arm/boot/dts/bcm283x.dtsi | 48 +++-----------------------------------
2 files changed, 3 insertions(+), 53 deletions(-)
diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi
index a7b5ce133784..e99bb149065f 100644
--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
@@ -98,11 +98,3 @@
power-domains = <&power RPI_POWER_DOMAIN_VEC>;
status = "okay";
};
-
-&dsi0 {
- power-domains = <&power RPI_POWER_DOMAIN_DSI0>;
-};
-
-&dsi1 {
- power-domains = <&power RPI_POWER_DOMAIN_DSI1>;
-};
diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
index 9444a9a9ba10..ce14c9ddf574 100644
--- a/arch/arm/boot/dts/bcm283x.dtsi
+++ b/arch/arm/boot/dts/bcm283x.dtsi
@@ -98,13 +98,10 @@
#clock-cells = <1>;
reg = <0x7e101000 0x2000>;
- /* CPRMAN derives almost everything from the
- * platform's oscillator. However, the DSI
- * pixel clocks come from the DSI analog PHY.
+ /* CPRMAN derives everything from the platform's
+ * oscillator.
*/
- clocks = <&clk_osc>,
- <&dsi0 0>, <&dsi0 1>, <&dsi0 2>,
- <&dsi1 0>, <&dsi1 1>, <&dsi1 2>;
+ clocks = <&clk_osc>;
};
rng@7e104000 {
@@ -412,25 +409,6 @@
interrupts = <2 14>; /* pwa1 */
};
- dsi0: dsi@7e209000 {
- compatible = "brcm,bcm2835-dsi0";
- reg = <0x7e209000 0x78>;
- interrupts = <2 4>;
- #address-cells = <1>;
- #size-cells = <0>;
- #clock-cells = <1>;
-
- clocks = <&clocks BCM2835_PLLA_DSI0>,
- <&clocks BCM2835_CLOCK_DSI0E>,
- <&clocks BCM2835_CLOCK_DSI0P>;
- clock-names = "phy", "escape", "pixel";
-
- clock-output-names = "dsi0_byte",
- "dsi0_ddr2",
- "dsi0_ddr";
-
- };
-
thermal: thermal@7e212000 {
compatible = "brcm,bcm2835-thermal";
reg = <0x7e212000 0x8>;
@@ -497,26 +475,6 @@
interrupts = <2 1>;
};
- dsi1: dsi@7e700000 {
- compatible = "brcm,bcm2835-dsi1";
- reg = <0x7e700000 0x8c>;
- interrupts = <2 12>;
- #address-cells = <1>;
- #size-cells = <0>;
- #clock-cells = <1>;
-
- clocks = <&clocks BCM2835_PLLD_DSI1>,
- <&clocks BCM2835_CLOCK_DSI1E>,
- <&clocks BCM2835_CLOCK_DSI1P>;
- clock-names = "phy", "escape", "pixel";
-
- clock-output-names = "dsi1_byte",
- "dsi1_ddr2",
- "dsi1_ddr";
-
- status = "disabled";
- };
-
i2c1: i2c@7e804000 {
compatible = "brcm,bcm2835-i2c";
reg = <0x7e804000 0x1000>;
--
2.13.3

5
kernel.spec
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@ -622,6 +622,10 @@ Patch319: arm-tegra-fix-gpu-iommu.patch
# https://www.spinics.net/lists/linux-arm-msm/msg28203.html
Patch320: qcom-display-iommu.patch
# This breaks RPi booting with a LPAE kernel, we don't support the DSI ports currently
# Revert it while I engage upstream to work out what's going on
Patch321: Revert-ARM-dts-bcm2835-Add-the-DSI-module-nodes-and-.patch
# 400 - IBM (ppc/s390x) patches
# 500 - Temp fixes/CVEs etc
@ -2229,6 +2233,7 @@ fi
* Tue Jul 18 2017 Peter Robinson <pbrobinson@fedoraproject.org>
- Add fix for Tegra GPU display with IOMMU
- Add QCom IOMMU for Dragonboard display
- Fix Raspberry Pi booting with LPAE kernel
* Mon Jul 17 2017 Justin M. Forbes <jforbes@fedoraproject.org> - 4.12.2-100
- Linux v4.12.2