This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- focal' to 'verification-done-focal'. If the problem still exists, change the tag 'verification-needed-focal' to 'verification-failed-focal'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-focal -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1922768 Title: Update - Fix no screen show on display after S3 on CML-R Status in HWE Next: New Status in linux package in Ubuntu: Fix Released Status in linux-oem-5.10 package in Ubuntu: Invalid Status in linux source package in Focal: New Status in linux-oem-5.10 source package in Focal: Fix Committed Status in linux source package in Hirsute: Fix Released Status in linux-oem-5.10 source package in Hirsute: Invalid Bug description: [Impact] On CML-R, after S3, No screen show on all three connector(3*DP). [Fix] Here's v4 patch and has been landed on drm-tip, https://patchwork.freedesktop.org/patch/msgid/20210217180016.1937401-1-ly...@redhat.com, so revert the old and resend the v4 patch. 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. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1922768/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp