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firmware: raspberrypi: Add RPI_FIRMWARE_NOTIFY_DISPLAY_DONE

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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
This commit is contained in:
Maxime Ripard 2021-12-15 10:51:14 +01:00
parent e8c1f36157
commit 39feb6e726
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include/soc/bcm2835/raspberrypi-firmware.h
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@ -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,