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openwrt/target/linux/bcm27xx/patches-5.4/950-0630-ARM-dts-overlays-Unify-overlay-CMA-handling.patch
Álvaro Fernández Rojas 62b7f5931c bcm27xx: import latest patches from the RPi foundation 
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry-picked from commit f07e572f64)
2021-02-19 07:17:21 +01:00

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From 3cd31a44e61e2219d730d6b1a4a13c8e15d6e395 Mon Sep 17 00:00:00 2001
From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Date: Thu, 2 Apr 2020 19:54:33 +0200
Subject: [PATCH] ARM: dts: overlays: Unify overlay CMA handling
Now that we don't have to abuse the kernel command line to change CMA's
size we can clean-up and centralize CMA usage in overlays.
A new file, cma-overlay.dts is created to be used as a standalone
overlay or included on other overlays. All CMA users are converted to
this scheme. Ultimately upstream-overlay.dts is also updated to use the
default CMA size provided by upstream.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---
arch/arm/boot/dts/overlays/Makefile | 1 +
arch/arm/boot/dts/overlays/README | 19 +++++
arch/arm/boot/dts/overlays/cma-overlay.dts | 32 ++++++++
.../boot/dts/overlays/upstream-overlay.dts | 56 ++++---------
.../dts/overlays/upstream-pi4-overlay.dts | 66 +++++----------
.../dts/overlays/vc4-fkms-v3d-overlay.dts | 51 ++----------
.../boot/dts/overlays/vc4-kms-v3d-overlay.dts | 66 ++++-----------
.../dts/overlays/vc4-kms-v3d-pi4-overlay.dts | 80 +++++--------------
8 files changed, 129 insertions(+), 242 deletions(-)
create mode 100644 arch/arm/boot/dts/overlays/cma-overlay.dts
--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -28,6 +28,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
audiosense-pi.dtbo \
audremap.dtbo \
balena-fin.dtbo \
+ cma.dtbo \
dht11.dtbo \
dionaudio-loco.dtbo \
dionaudio-loco-v2.dtbo \
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -554,6 +554,19 @@ Info: This overlay is now deprecated -
Load: <Deprecated>
+Name: cma
+Info: Set custom CMA sizes, only use if you know what you are doing, might
+ clash with other overlays like vc4-fkms-v3d and vc4-kms-v3d.
+Load: dtoverlay=cma,<param>=<val>
+Params: cma-256 CMA is 256MB (needs 1GB)
+ cma-192 CMA is 192MB (needs 1GB)
+ cma-128 CMA is 128MB
+ cma-96 CMA is 96MB
+ cma-64 CMA is 64MB
+ cma-size CMA size in bytes, 4MB aligned
+ cma-default Use upstream's default value
+
+
Name: dht11
Info: Overlay for the DHT11/DHT21/DHT22 humidity/temperature sensors
Also sometimes found with the part number(s) AM230x.
@@ -2675,6 +2688,8 @@ Params: cma-256 CMA is 2
cma-128 CMA is 128MB
cma-96 CMA is 96MB
cma-64 CMA is 64MB
+ cma-size CMA size in bytes, 4MB aligned
+ cma-default Use upstream's default value
Name: vc4-kms-kippah-7inch
@@ -2692,6 +2707,8 @@ Params: cma-256 CMA is 2
cma-128 CMA is 128MB
cma-96 CMA is 96MB
cma-64 CMA is 64MB
+ cma-size CMA size in bytes, 4MB aligned
+ cma-default Use upstream's default value
audio Enable or disable audio over HDMI (default "on")
@@ -2703,6 +2720,8 @@ Params: cma-256 CMA is 2
cma-128 CMA is 128MB
cma-96 CMA is 96MB
cma-64 CMA is 64MB
+ cma-size CMA size in bytes, 4MB aligned
+ cma-default Use upstream's default value
audio Enable or disable audio over HDMI0 (default
"on")
audio1 Enable or disable audio over HDMI1 (default
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/cma-overlay.dts
@@ -0,0 +1,32 @@
+/*
+ * cma.dts
+ */
+
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "brcm,bcm2835";
+
+ fragment@0 {
+ target = <&cma>;
+ frag0: __overlay__ {
+ /*
+ * The default size when using this overlay is 256 MB
+ * and should be kept as is for backwards
+ * compatibility.
+ */
+ size = <0x10000000>;
+ };
+ };
+
+ __overrides__ {
+ cma-256 = <&frag0>,"size:0=",<0x10000000>;
+ cma-192 = <&frag0>,"size:0=",<0xC000000>;
+ cma-128 = <&frag0>,"size:0=",<0x8000000>;
+ cma-96 = <&frag0>,"size:0=",<0x6000000>;
+ cma-64 = <&frag0>,"size:0=",<0x4000000>;
+ cma-size = <&frag0>,"size:0"; /* in bytes, 4MB aligned */
+ cma-default = <0>,"-0";
+ };
+};
--- a/arch/arm/boot/dts/overlays/upstream-overlay.dts
+++ b/arch/arm/boot/dts/overlays/upstream-overlay.dts
@@ -1,4 +1,4 @@
-// redo: ovmerge -c vc4-kms-v3d-overlay.dts,cma-96 dwc2-overlay.dts,dr_mode=otg
+// redo: ovmerge -c vc4-kms-v3d-overlay.dts,cma-default dwc2-overlay.dts,dr_mode=otg
/dts-v1/;
/plugin/;
@@ -8,114 +8,90 @@
/ {
compatible = "brcm,bcm2835";
fragment@0 {
- target-path = "/chosen";
+ target = <&cma>;
__dormant__ {
- bootargs = "cma=256M";
+ size = <0x10000000>;
};
};
fragment@1 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=192M";
- };
- };
- fragment@2 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=128M";
- };
- };
- fragment@3 {
- target-path = "/chosen";
- __overlay__ {
- bootargs = "cma=96M";
- };
- };
- fragment@4 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=64M";
- };
- };
- fragment@5 {
target = <&i2c2>;
__overlay__ {
status = "okay";
};
};
- fragment@6 {
+ fragment@2 {
target = <&fb>;
__overlay__ {
status = "disabled";
};
};
- fragment@7 {
+ fragment@3 {
target = <&pixelvalve0>;
__overlay__ {
status = "okay";
};
};
- fragment@8 {
+ fragment@4 {
target = <&pixelvalve1>;
__overlay__ {
status = "okay";
};
};
- fragment@9 {
+ fragment@5 {
target = <&pixelvalve2>;
__overlay__ {
status = "okay";
};
};
- fragment@10 {
+ fragment@6 {
target = <&hvs>;
__overlay__ {
status = "okay";
};
};
- fragment@11 {
+ fragment@7 {
target = <&hdmi>;
__overlay__ {
status = "okay";
};
};
- fragment@12 {
+ fragment@8 {
target = <&v3d>;
__overlay__ {
status = "okay";
};
};
- fragment@13 {
+ fragment@9 {
target = <&vc4>;
__overlay__ {
status = "okay";
};
};
- fragment@14 {
+ fragment@10 {
target = <&clocks>;
__overlay__ {
claim-clocks = <BCM2835_PLLD_DSI0 BCM2835_PLLD_DSI1 BCM2835_PLLH_AUX BCM2835_PLLH_PIX>;
};
};
- fragment@15 {
+ fragment@11 {
target = <&vec>;
__overlay__ {
status = "okay";
};
};
- fragment@16 {
+ fragment@12 {
target = <&txp>;
__overlay__ {
status = "okay";
};
};
- fragment@17 {
+ fragment@13 {
target = <&hdmi>;
__dormant__ {
dmas;
};
};
- fragment@18 {
+ fragment@14 {
target = <&usb>;
#address-cells = <1>;
#size-cells = <1>;
--- a/arch/arm/boot/dts/overlays/upstream-pi4-overlay.dts
+++ b/arch/arm/boot/dts/overlays/upstream-pi4-overlay.dts
@@ -8,144 +8,120 @@
/ {
compatible = "brcm,bcm2835";
fragment@0 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=256M";
- };
- };
- fragment@1 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=192M";
- };
- };
- fragment@2 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=128M";
- };
- };
- fragment@3 {
- target-path = "/chosen";
+ target = <&cma>;
__overlay__ {
- bootargs = "cma=96M";
+ size = <100663296>;
};
};
- fragment@4 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=64M";
- };
- };
- fragment@5 {
+ fragment@1 {
target = <&ddc0>;
__overlay__ {
status = "okay";
};
};
- fragment@6 {
+ fragment@2 {
target = <&ddc1>;
__overlay__ {
status = "okay";
};
};
- fragment@7 {
+ fragment@3 {
target = <&hdmi0>;
__overlay__ {
status = "okay";
};
};
- fragment@8 {
+ fragment@4 {
target = <&hdmi1>;
__overlay__ {
status = "okay";
};
};
- fragment@9 {
+ fragment@5 {
target = <&hvs>;
__overlay__ {
status = "okay";
};
};
- fragment@10 {
+ fragment@6 {
target = <&pixelvalve0>;
__overlay__ {
status = "okay";
};
};
- fragment@11 {
+ fragment@7 {
target = <&pixelvalve1>;
__overlay__ {
status = "okay";
};
};
- fragment@12 {
+ fragment@8 {
target = <&pixelvalve2>;
__overlay__ {
status = "okay";
};
};
- fragment@13 {
+ fragment@9 {
target = <&pixelvalve3>;
__overlay__ {
status = "okay";
};
};
- fragment@14 {
+ fragment@10 {
target = <&pixelvalve4>;
__overlay__ {
status = "okay";
};
};
- fragment@15 {
+ fragment@11 {
target = <&v3d>;
__overlay__ {
status = "okay";
};
};
- fragment@16 {
+ fragment@12 {
target = <&vc4>;
__overlay__ {
status = "okay";
};
};
- fragment@17 {
+ fragment@13 {
target = <&txp>;
__overlay__ {
status = "okay";
};
};
- fragment@18 {
+ fragment@14 {
target = <&fb>;
__overlay__ {
status = "disabled";
};
};
- fragment@19 {
+ fragment@15 {
target = <&firmwarekms>;
__overlay__ {
status = "disabled";
};
};
- fragment@20 {
+ fragment@16 {
target = <&vec>;
__overlay__ {
status = "disabled";
};
};
- fragment@21 {
+ fragment@17 {
target = <&hdmi0>;
__dormant__ {
dmas;
};
};
- fragment@22 {
+ fragment@18 {
target = <&hdmi1>;
__dormant__ {
dmas;
};
};
- fragment@23 {
+ fragment@19 {
target = <&usb>;
#address-cells = <1>;
#size-cells = <1>;
--- a/arch/arm/boot/dts/overlays/vc4-fkms-v3d-overlay.dts
+++ b/arch/arm/boot/dts/overlays/vc4-fkms-v3d-overlay.dts
@@ -5,77 +5,36 @@
/dts-v1/;
/plugin/;
+#include "cma-overlay.dts"
+
/ {
compatible = "brcm,bcm2835";
- fragment@0 {
- target-path = "/chosen";
- __overlay__ {
- bootargs = "cma=256M";
- };
- };
-
fragment@1 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=192M";
- };
- };
-
- fragment@2 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=128M";
- };
- };
-
- fragment@3 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=96M";
- };
- };
-
- fragment@4 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=64M";
- };
- };
-
- fragment@5 {
target = <&fb>;
__overlay__ {
status = "disabled";
};
};
- fragment@6 {
+ fragment@2 {
target = <&firmwarekms>;
__overlay__ {
status = "okay";
};
};
- fragment@7 {
+ fragment@3 {
target = <&v3d>;
__overlay__ {
status = "okay";
};
};
- fragment@8 {
+ fragment@4 {
target = <&vc4>;
__overlay__ {
status = "okay";
};
};
-
- __overrides__ {
- cma-256 = <0>,"+0-1-2-3-4";
- cma-192 = <0>,"-0+1-2-3-4";
- cma-128 = <0>,"-0-1+2-3-4";
- cma-96 = <0>,"-0-1-2+3-4";
- cma-64 = <0>,"-0-1-2-3+4";
- };
};
--- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
+++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
@@ -7,108 +7,75 @@
#include <dt-bindings/clock/bcm2835.h>
+#include "cma-overlay.dts"
+
/ {
compatible = "brcm,bcm2835";
- fragment@0 {
- target-path = "/chosen";
- __overlay__ {
- bootargs = "cma=256M";
- };
- };
-
fragment@1 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=192M";
- };
- };
-
- fragment@2 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=128M";
- };
- };
-
- fragment@3 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=96M";
- };
- };
-
- fragment@4 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=64M";
- };
- };
-
- fragment@5 {
target = <&i2c2>;
__overlay__ {
status = "okay";
};
};
- fragment@6 {
+ fragment@2 {
target = <&fb>;
__overlay__ {
status = "disabled";
};
};
- fragment@7 {
+ fragment@3 {
target = <&pixelvalve0>;
__overlay__ {
status = "okay";
};
};
- fragment@8 {
+ fragment@4 {
target = <&pixelvalve1>;
__overlay__ {
status = "okay";
};
};
- fragment@9 {
+ fragment@5 {
target = <&pixelvalve2>;
__overlay__ {
status = "okay";
};
};
- fragment@10 {
+ fragment@6 {
target = <&hvs>;
__overlay__ {
status = "okay";
};
};
- fragment@11 {
+ fragment@7 {
target = <&hdmi>;
__overlay__ {
status = "okay";
};
};
- fragment@12 {
+ fragment@8 {
target = <&v3d>;
__overlay__ {
status = "okay";
};
};
- fragment@13 {
+ fragment@9 {
target = <&vc4>;
__overlay__ {
status = "okay";
};
};
- fragment@14 {
+ fragment@10 {
target = <&clocks>;
__overlay__ {
claim-clocks = <
@@ -120,21 +87,21 @@
};
};
- fragment@15 {
+ fragment@11 {
target = <&vec>;
__overlay__ {
status = "okay";
};
};
- fragment@16 {
+ fragment@12 {
target = <&txp>;
__overlay__ {
status = "okay";
};
};
- fragment@17 {
+ fragment@13 {
target = <&hdmi>;
__dormant__ {
dmas;
@@ -142,11 +109,6 @@
};
__overrides__ {
- cma-256 = <0>,"+0-1-2-3-4";
- cma-192 = <0>,"-0+1-2-3-4";
- cma-128 = <0>,"-0-1+2-3-4";
- cma-96 = <0>,"-0-1-2+3-4";
- cma-64 = <0>,"-0-1-2-3+4";
audio = <0>,"!17";
};
};
--- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-pi4-overlay.dts
+++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-pi4-overlay.dts
@@ -7,164 +7,131 @@
#include <dt-bindings/clock/bcm2835.h>
+#include "cma-overlay.dts"
+
/ {
compatible = "brcm,bcm2835";
- fragment@0 {
- target-path = "/chosen";
- __overlay__ {
- bootargs = "cma=256M";
- };
- };
-
fragment@1 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=192M";
- };
- };
-
- fragment@2 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=128M";
- };
- };
-
- fragment@3 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=96M";
- };
- };
-
- fragment@4 {
- target-path = "/chosen";
- __dormant__ {
- bootargs = "cma=64M";
- };
- };
-
- fragment@5 {
target = <&ddc0>;
__overlay__ {
status = "okay";
};
};
- fragment@6 {
+ fragment@2 {
target = <&ddc1>;
__overlay__ {
status = "okay";
};
};
- fragment@7 {
+ fragment@3 {
target = <&hdmi0>;
__overlay__ {
status = "okay";
};
};
- fragment@8 {
+ fragment@4 {
target = <&hdmi1>;
__overlay__ {
status = "okay";
};
};
- fragment@9 {
+ fragment@5 {
target = <&hvs>;
__overlay__ {
status = "okay";
};
};
- fragment@10 {
+ fragment@6 {
target = <&pixelvalve0>;
__overlay__ {
status = "okay";
};
};
- fragment@11 {
+ fragment@7 {
target = <&pixelvalve1>;
__overlay__ {
status = "okay";
};
};
- fragment@12 {
+ fragment@8 {
target = <&pixelvalve2>;
__overlay__ {
status = "okay";
};
};
- fragment@13 {
+ fragment@9 {
target = <&pixelvalve3>;
__overlay__ {
status = "okay";
};
};
- fragment@14 {
+ fragment@10 {
target = <&pixelvalve4>;
__overlay__ {
status = "okay";
};
};
- fragment@15 {
+ fragment@11 {
target = <&v3d>;
__overlay__ {
status = "okay";
};
};
- fragment@16 {
+ fragment@12 {
target = <&vc4>;
__overlay__ {
status = "okay";
};
};
- fragment@17 {
+ fragment@13 {
target = <&txp>;
__overlay__ {
status = "okay";
};
};
- fragment@18 {
+ fragment@14 {
target = <&fb>;
__overlay__ {
status = "disabled";
};
};
- fragment@19 {
+ fragment@15 {
target = <&firmwarekms>;
__overlay__ {
status = "disabled";
};
};
- fragment@20 {
+ fragment@16 {
target = <&vec>;
__overlay__ {
status = "disabled";
};
};
- fragment@21 {
+ fragment@17 {
target = <&hdmi0>;
__dormant__ {
dmas;
};
};
- fragment@22 {
+ fragment@18 {
target = <&hdmi1>;
__dormant__ {
dmas;
@@ -172,12 +139,7 @@
};
__overrides__ {
- cma-256 = <0>,"+0-1-2-3-4";
- cma-192 = <0>,"-0+1-2-3-4";
- cma-128 = <0>,"-0-1+2-3-4";
- cma-96 = <0>,"-0-1-2+3-4";
- cma-64 = <0>,"-0-1-2-3+4";
- audio = <0>,"!21";
- audio1 = <0>,"!22";
+ audio = <0>,"!17";
+ audio1 = <0>,"!18";
};
};
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