diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0102-drm-vc4-Enable-VC4-modules-and-increase-CMA-size-wit.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0102-drm-vc4-Enable-VC4-modules-and-increase-CMA-size-wit.patch | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0102-drm-vc4-Enable-VC4-modules-and-increase-CMA-size-wit.patch b/target/linux/brcm2708/patches-4.4/0102-drm-vc4-Enable-VC4-modules-and-increase-CMA-size-wit.patch new file mode 100644 index 0000000000..fe05bae8ae --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0102-drm-vc4-Enable-VC4-modules-and-increase-CMA-size-wit.patch @@ -0,0 +1,153 @@ +From e7c59032e2b16f07a4e836b6f417a7cea5d66b2d Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Mon, 2 Nov 2015 17:07:33 +0000 +Subject: [PATCH 102/127] drm/vc4: Enable VC4 modules, and increase CMA size + with overlay + +If using the overlay, be careful not to boot to GUI or run startx, +or the Pi will almost hang, reporting stalls in kernel threads. +--- + arch/arm/boot/dts/overlays/README | 8 ++ + arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts | 95 ++++++++++++++++++++++ + arch/arm/configs/bcm2709_defconfig | 2 + + arch/arm/configs/bcmrpi_defconfig | 2 + + 4 files changed, 107 insertions(+) + create mode 100644 arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts + +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -601,6 +601,14 @@ Params: txd1_pin GPIO pi + rxd1_pin GPIO pin for RXD1 (15, 33 or 41 - default 15) + + ++Name: vc4-kms-v3d ++Info: Enable Eric Anholt's DRM VC4 HDMI/HVS/V3D driver. Running startx or ++ booting to GUI while this overlay is in use will cause interesting ++ lockups. ++Load: dtoverlay=vc4-kms-v3d ++Params: <None> ++ ++ + Name: vga666 + Info: Overlay for the Fen Logic VGA666 board + This uses GPIOs 2-21 (so no I2C), and activates the output 2-3 seconds +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts +@@ -0,0 +1,95 @@ ++/* ++ * vc4-kms-v3d-overlay.dts ++ */ ++ ++/dts-v1/; ++/plugin/; ++ ++#include "dt-bindings/clock/bcm2835.h" ++#include "dt-bindings/gpio/gpio.h" ++ ++/ { ++ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709"; ++ ++ fragment@0 { ++ target = <&i2c2>; ++ __overlay__ { ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&cprman>; ++ __overlay__ { ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@2 { ++ target = <&fb>; ++ __overlay__ { ++ status = "disabled"; ++ }; ++ }; ++ ++ fragment@3 { ++ target = <&soc>; ++ __overlay__ { ++ #address-cells = <1>; ++ #size-cells = <1>; ++ ++ pixelvalve@7e206000 { ++ compatible = "brcm,bcm2835-pixelvalve0"; ++ reg = <0x7e206000 0x100>; ++ interrupts = <2 13>; /* pwa0 */ ++ }; ++ ++ pixelvalve@7e207000 { ++ compatible = "brcm,bcm2835-pixelvalve1"; ++ reg = <0x7e207000 0x100>; ++ interrupts = <2 14>; /* pwa1 */ ++ }; ++ ++ hvs@7e400000 { ++ compatible = "brcm,bcm2835-hvs"; ++ reg = <0x7e400000 0x6000>; ++ interrupts = <2 1>; ++ }; ++ ++ pixelvalve@7e807000 { ++ compatible = "brcm,bcm2835-pixelvalve2"; ++ reg = <0x7e807000 0x100>; ++ interrupts = <2 10>; /* pixelvalve */ ++ }; ++ ++ hdmi@7e902000 { ++ compatible = "brcm,bcm2835-hdmi"; ++ reg = <0x7e902000 0x600>, ++ <0x7e808000 0x100>; ++ interrupts = <2 8>, <2 9>; ++ ddc = <&i2c2>; ++ hpd-gpio = <&gpio 46 GPIO_ACTIVE_HIGH>; ++ clocks = <&cprman BCM2835_PLLH_PIX>, ++ <&cprman BCM2835_CLOCK_HSM>; ++ clock-names = "pixel", "hdmi"; ++ }; ++ ++ v3d@7ec00000 { ++ compatible = "brcm,vc4-v3d"; ++ reg = <0x7ec00000 0x1000>; ++ interrupts = <1 10>; ++ }; ++ ++ gpu@7e4c0000 { ++ compatible = "brcm,bcm2835-vc4"; ++ }; ++ }; ++ }; ++ ++ fragment@4 { ++ target-path = "/chosen"; ++ __overlay__ { ++ bootargs = "cma=256M@512M"; ++ }; ++ }; ++}; +--- a/arch/arm/configs/bcm2709_defconfig ++++ b/arch/arm/configs/bcm2709_defconfig +@@ -802,6 +802,8 @@ CONFIG_VIDEO_TW9903=m + CONFIG_VIDEO_TW9906=m + CONFIG_VIDEO_OV7640=m + CONFIG_VIDEO_MT9V011=m ++CONFIG_DRM=m ++CONFIG_DRM_VC4=m + CONFIG_FB=y + CONFIG_FB_BCM2708=y + CONFIG_FB_UDL=m +--- a/arch/arm/configs/bcmrpi_defconfig ++++ b/arch/arm/configs/bcmrpi_defconfig +@@ -795,6 +795,8 @@ CONFIG_VIDEO_TW9903=m + CONFIG_VIDEO_TW9906=m + CONFIG_VIDEO_OV7640=m + CONFIG_VIDEO_MT9V011=m ++CONFIG_DRM=m ++CONFIG_DRM_VC4=m + CONFIG_FB=y + CONFIG_FB_BCM2708=y + CONFIG_FB_UDL=m |