Description of problem: Here is my setup: - Dell XPS15 2015 with Intel Skylake processor - Dell USB-C to HDMI adapter - Dell external screen Ultrasharp U2515H (2560*1440). Version-Release number of selected component (if applicable): 4.6.3 How reproducible: 100% Steps to Reproduce: 1. Boot on 4.6.3 kernel and use F24 2. 3. Actual results: After a while, the external screen starts to flickers. The screen seems to be cut in 2 parts, top 80% and bottom 20%. Expected results: No flicker, as with the 4.5.7 kernel. Additional info:
Forgot to mention the flickering affects only the external screen, never the laptop one.
I've the feeling things get worse in this area with new kernel updates. Can anyone advice me how I can downgrade to the kernel 4.5.7 and prevent it to be erased by further updates ? Because, I can't work the whole day on a flickering screen. Thanks.
New information about the problem. I installed the Intel driver from the 01.org website and this fixes the issue, great! But this doesn't work with hibernation. After hibernation, the problems remains. Workaround: don't hibernate, always shutdown the PC for good.
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