HDMI Forum Rejects Open-Source HDMI 2.1 Driver Support Sought by AMD

Re:HDMI Forum Rejects Open-Source HDMI 2.1 Driver Support So... by bombcar on Wednesday February 28, 2024 @04:38PM (#39543762)

You can get devices that "hack" HDMI to various other unprotected signals such as SDI. So you get a Decimator or something, covert HDMI to SDI, and then do the needful.

Now that may not help you, as the devices that do SDI overlays run in the $1k range, but maybe something is out there like a ATEM SDI https://www.blackmagicdesign.com/products/atemsdi

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Re:HDMI Forum Rejects Open-Source HDMI 2.1 Driver Support So... by mschuster91 on Wednesday February 28, 2024 @04:51PM (#39543914)

Blackmagic's Mini Converters are at their core nothing more than SerDes chips and an FPGA that does the protocol translation. I _think_ that the recent models with USB-C power supply inputs also have the data pins connected to the FPGA.

Might be worth a try to check how hard BMD has locked down the FPGA bitstream.

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Re:HDMI Forum Rejects Open-Source HDMI 2.1 Driver Support So... by bombcar on Wednesday February 28, 2024 @05:48PM (#39544497)

I know the Decimators would remove HDCP, as it's a known "trick" when trying to project from a Mac. But not sure which versions, and how well.

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