Public bug reported: [Impact] On CML-R, after S3, No screen show on all three connector(3*DP).
[Fix] The v4 patch has been landed on drm-tip. For Legacy S3 suspend/resume GEN9 BC needs to enable and setup TGP PCH. [Test Case] 1. Connected the monitor on one of 3*DP on CML-R. 2. Suspend&resume the machine. 3. Check the monitor can output something. [Where problems could occur] Just Enable the hpd detection in IRQ installer and during suspend&resume. ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Summary changed: - Fix no screen show on display after S3 on CML-R + Update patch - Fix no screen show on display after S3 on CML-R -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1921974 Title: Update patch - Fix no screen show on display after S3 on CML-R To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1921974/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs