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-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.10 in Ubuntu. https://bugs.launchpad.net/bugs/1928361 Title: Fix screen flickering when two 4K 60Hz monitors are connected to AMD Oland GFX 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: Won't Fix 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] Screen flickers rapidly when two 4K 60Hz monitors are connected to AMD Oland GFX. [Fix] Disable certain power saving feature to keep the performance to output two 4K 60Hz monitors. [Test] Plug two 4K 60Hz and stare at the monitors. With the patch applied, no more flickers on the screen. [Where problems could occur] The GFX clock was restrained for stability on laptops. So if those laptops have ability to output to dual 4K 60Hz monitors, the systems can become unstable. However, Oland is really old chip, those laptops neither have 4K LVDS, nor have 4K capable HDMI/DP output. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1928361/+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
