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The v2 delay patch > is NOT needed and should be disregarded. > > The SCDC polling aligns with HDMI 2.0 spec requirements and Windows > behavior, making it the proper generic solution. Thanks Jerome for testing. Lets have all discussion in the original thread on the patch [1]. It seems your recent mails are on a separate thread. Regards, Ankit [1] https://lore.kernel.org/intel-xe/73e0de50-b7e3-4315-ab81-0a3ecebc2363@intel.com/ > Sorry for any confusion from my earlier messages. > > Thanks, > Jerome > > Le sam. 7 févr. 2026 à 04:14, Jérôme Tollet a écrit : >> Hi Ville, Ankit, >> >> Gentle ping on this thread - it's been about 10 days since my last >> message in the thread (Jan 28). >> >> To recap, we have three potential approaches for this fix: >> 1. Generic SCDC polling after port enable (current patch) - aligns >> with Windows behavior >> 2. Panel-specific quirk for affected displays (Cisco Desk Pro in my case) >> 3. Fixed delay after SCDC config (my v2 patch from Jan 14) >> >> Testing showed the delay works at any placement in the modeset >> sequence, suggesting this is a timing issue rather than >> operation-specific. >> I'm happy to implement whichever approach you prefer. Please let me >> know which direction you'd like me to take this. >> >> Thanks, >> Jerome >> >> >> Le mer. 28 janv. 2026 à 15:42, Jérôme Tollet a écrit : >>> Hi Ville, >>> Following Ankit's response on January 21st where he suggested >>> considering a panel-specific quirk instead of a generic solution, I >>> wanted to get your input on the preferred approach. >>> As a reminder, testing showed the delay works at any placement in the >>> modeset sequence (all 4 test positions succeeded), suggesting this is >>> a timing issue rather than being tied to a specific operation. >>> >>> Three approaches are available: >>> 1. Generic SCDC polling after port enable - aligns with Windows >>> behavior which also performs ~200ms SCDC poll post-enable >>> 2. Panel-specific quirk for affected displays (Cisco Desk Pro in my case) >>> 3. Fixed delay after SCDC config (my v2 patch from Jan 14) >>> >>> I'm happy with any approach that gets merged. >>> >>> Thanks >>> Jerome