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secure-display-v1: new protocol

sophia gong requested to merge sophia/wayland-protocols:main into main

This protocol defines interfaces used to perform display screen region security check.

Compositors send screen region of interest to drm-backend, drm-backend sends roi crtc property request to kernel space display driver which will calculate relevant R/G/B crc-16. Clients read back R/G/B crc-16 with this protocol interfaces and compare it with target crc-16 to confirm if specified screen region has been manipulated.

Edited by sophia gong

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