0001-HACK-Add-simplefb-node-for-the-Pixel-3-Google-b1.patch

From 7fa0acac4401d51da58970bba814dca194ae4b6e Mon Sep 17 00:00:00 2001
From: Samuel Dionne-Riel <samuel@dionne-riel.com>
Date: Sat, 10 Oct 2020 21:30:27 -0400
Subject: [PATCH] [HACK] Add simplefb node for the Pixel 3 (Google b1)

---
 .../boot/dts/google/sdm845-b1-common.dtsi     | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/arch/arm64/boot/dts/google/sdm845-b1-common.dtsi b/arch/arm64/boot/dts/google/sdm845-b1-common.dtsi
index c5bca53cb6dca..c185eba5c855c 100644
--- a/arch/arm64/boot/dts/google/sdm845-b1-common.dtsi
+++ b/arch/arm64/boot/dts/google/sdm845-b1-common.dtsi
@@ -28,3 +28,39 @@
 &actuator_rear {
 	param-index = <5>;
 };
+
+/ {
+	aliases {
+		display0 = &framebuffer0;
+	};
+
+	chosen {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+		stdout-path = "display0";
+
+		/*
+		 * HACK: Use framebuffer setup by the bootloader for simplefb.
+		 * https://wiki.postmarketos.org/wiki/SDM845_Mainlining#Creating_a_framebuffer
+		 */
+		// 1080 x 2160
+		framebuffer0: framebuffer@9d400000 {
+			compatible = "simple-framebuffer";
+			reg = <0 0x9d400000 0 (1080 * 2160 * 4)>;
+			width = <1080>;
+			height = <2160>;
+			stride = <(1080 * 4)>;
+			format = "a8r8g8b8";
+			status = "okay";
+		};
+	};
+
+	reserved-memory {
+		fb_mem: memory@a1a10000 {
+			compatible = "removed-dma-pool";
+			no-map;
+			reg = <0 0x9d400000 0 (1080 * 2160 * 4)>;
+		};
+	};
+};
-- 
2.28.0

diff --git a/devices/google-blueline/kernel-als/config.aarch64 b/devices/google-blueline/kernel-als/config.aarch64
index 3802e125b306..23bf75884b09 100644
--- a/devices/google-blueline/kernel-als/config.aarch64
+++ b/devices/google-blueline/kernel-als/config.aarch64
@@ -3015,7 +3015,7 @@ CONFIG_FB_VIRTUAL=y
 # CONFIG_FB_MSM is not set
 # CONFIG_FB_BROADSHEET is not set
 # CONFIG_FB_AUO_K190X is not set
-# CONFIG_FB_SIMPLE is not set
+CONFIG_FB_SIMPLE=y
 # CONFIG_MSM_DBA is not set
 # CONFIG_FB_SSD1307 is not set
 # CONFIG_FB_SM712 is not set