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Privacy-Screen DRM API With Intel Support Ready Now That GNOME Is Prepared To Use It

Submitted by Roy Schestowitz on Friday 10th of September 2021 04:48:23 AM

Over the past two years we have seen work around bringing up privacy screen support on Linux whereby an increasing number of laptops can reduce the amount of visible light when viewed at wide angles to try to block the screen contents from anyone potentially snooping at the screen. Ready to go now is the DRM/KMS user-space interface and the Intel graphics driver support now that there is a user-space "client" ready.

In recent times there has been Lenovo PrivacyGuard work for Linux and Dell privacy support. As part of enhancing the Lenovo ThinkPad support there has also been a patch series by Hans de Goede working on the necessary changes from the DRM/KMS driver side, coming up with a common user-space interface via KMS properties for indicating it, and getting it implemented for the Intel i915 driver.

[...]

Thus the thinkpad_acpi driver will likely need to be pulled into the initrd images of distribution kernel builds if not already done so.

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