target/linux/bcm27xx/patches-5.15/950-0022-firmware-raspberrypi-Add-RPI_FIRMWARE_NOTIFY_DISPLAY.patch

   1 From 269985a75363eecabfc6e039c4731100c4d47b05 Mon Sep 17 00:00:00 2001
   2 From: Maxime Ripard <maxime@cerno.tech>
   3 Date: Wed, 15 Dec 2021 10:51:14 +0100
   4 Subject: [PATCH] firmware: raspberrypi: Add
   5  RPI_FIRMWARE_NOTIFY_DISPLAY_DONE
   6
   7 The RPI_FIRMWARE_NOTIFY_DISPLAY_DONE firmware call allows to tell the
   8 firmware the kernel is in charge of the display now and the firmware can
   9 free whatever resources it was using.
  10
  11 Acked-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
  12 Signed-off-by: Maxime Ripard <maxime@cerno.tech>
  13 Link: https://patchwork.freedesktop.org/patch/msgid/20211215095117.176435-2-maxime@cerno.tech
  14 ---
  15  include/soc/bcm2835/raspberrypi-firmware.h | 1 +
  16  1 file changed, 1 insertion(+)
  17
  18 --- a/include/soc/bcm2835/raspberrypi-firmware.h
  19 +++ b/include/soc/bcm2835/raspberrypi-firmware.h
  20 @@ -91,6 +91,7 @@ enum rpi_firmware_property_tag {
  21         RPI_FIRMWARE_GET_POE_HAT_VAL =                        0x00030049,
  22         RPI_FIRMWARE_SET_POE_HAT_VAL =                        0x00030050,
  23         RPI_FIRMWARE_NOTIFY_XHCI_RESET =                      0x00030058,
  24 +       RPI_FIRMWARE_NOTIFY_DISPLAY_DONE =                    0x00030066,
  25
  26         /* Dispmanx TAGS */
  27         RPI_FIRMWARE_FRAMEBUFFER_ALLOCATE =                   0x00040001,