Intel Linux Graphics Driver Wrapping Up Adaptive Sync SDP Support
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This Adaptive Sync Secondary Data Packet (SDP) support has been described by the patch series as:
"An Adaptive Sync SDP allows a DP protocol converter to forward Adaptive Sync video with minimal buffering overhead within the converter. An Adaptive-Sync-capable DP protocol converter indicates its support by setting the related bit in the DPCD register.
Computes AS SDP values based on the display configuration, ensuring proper handling of Variable Refresh Rate (VRR) in the context of Adaptive Sync."
Sent out this past Friday were the v8 patches that refactor the Adaptive Sync SDP code and make various other improvements. This is also the first time the patches were sent to dri-devel, hopefully indicating that the Intel engineers involved are growing comfortable with this feature work and soliciting wider code review.
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