openwrt/target/linux/bcm27xx/patches-5.10/950-0663-firmware-raspberrypi-Add-RPI_FIRMWARE_NOTIFY_DISPLAY.patch
Álvaro Fernández Rojas 8299d1f057 bcm27xx: add kernel 5.10 support
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted
patches, wireless patches and defconfig patches.

bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 4B v1.1 4G
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-08-21 19:07:07 +02:00

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From 63c7602ca03b9e10dbeb202ebc1f6aa702c1d17c Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Wed, 23 Jun 2021 11:53:46 +0200
Subject: [PATCH] firmware: raspberrypi: Add
RPI_FIRMWARE_NOTIFY_DISPLAY_DONE
The RPI_FIRMWARE_NOTIFY_DISPLAY_DONE firmware call allows to tell the
firmware the kernel is in charge of the display now and the firmware can
free whatever resources it was using.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
include/soc/bcm2835/raspberrypi-firmware.h | 1 +
1 file changed, 1 insertion(+)
--- a/include/soc/bcm2835/raspberrypi-firmware.h
+++ b/include/soc/bcm2835/raspberrypi-firmware.h
@@ -99,6 +99,7 @@ enum rpi_firmware_property_tag {
RPI_FIRMWARE_NOTIFY_XHCI_RESET = 0x00030058,
RPI_FIRMWARE_GET_REBOOT_FLAGS = 0x00030064,
RPI_FIRMWARE_SET_REBOOT_FLAGS = 0x00038064,
+ RPI_FIRMWARE_NOTIFY_DISPLAY_DONE = 0x00030066,
/* Dispmanx TAGS */
RPI_FIRMWARE_FRAMEBUFFER_ALLOCATE = 0x00040001,