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firmware: raspberrypi: Add RPI_FIRMWARE_NOTIFY_DISPLAY_DONE
author
Maxime Ripard
<maxime@cerno.tech>
Wed, 15 Dec 2021 09:51:14 +0000
(10:51 +0100)
committer
Dom Cobley
<popcornmix@gmail.com>
Mon, 21 Mar 2022 16:03:45 +0000
(16:03 +0000)
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.
Acked-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link:
https://patchwork.freedesktop.org/patch/msgid/20211215095117.176435-2-maxime@cerno.tech
include/soc/bcm2835/raspberrypi-firmware.h
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diff --git
a/include/soc/bcm2835/raspberrypi-firmware.h
b/include/soc/bcm2835/raspberrypi-firmware.h
index
73ad784
..
811ea66
100644
(file)
--- a/
include/soc/bcm2835/raspberrypi-firmware.h
+++ b/
include/soc/bcm2835/raspberrypi-firmware.h
@@
-91,6
+91,7
@@
enum rpi_firmware_property_tag {
RPI_FIRMWARE_GET_POE_HAT_VAL = 0x00030049,
RPI_FIRMWARE_SET_POE_HAT_VAL = 0x00030050,
RPI_FIRMWARE_NOTIFY_XHCI_RESET = 0x00030058,
+ RPI_FIRMWARE_NOTIFY_DISPLAY_DONE = 0x00030066,
/* Dispmanx TAGS */
RPI_FIRMWARE_FRAMEBUFFER_ALLOCATE = 0x00040001,