[Bug 97244] [DP] [SKL] 5k tiled dual DP (two-pipe, two-port) display sync issues

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Jan 18 20:06:24 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=97244

--- Comment #35 from Tomas Bzatek <bugs at bzatek.net> ---
Created attachment 136834
  --> https://bugs.freedesktop.org/attachment.cgi?id=136834&action=edit
RWEverything PCI dump

Still a problem with drm-tip 2018y-01m-18d-18h-18m-07s

I was finally able to grab the PCI configuration space from a Windows 7 system
running full resolution - see attached. The dump was created with the
RWEverything tool. Let me know if you need any other memory region, hope this
one would be useful.

Although Dell UP2715K is now EOL, there are some other panels on the market
requiring dual DP1.2 inputs: HP Z27q, Philips 275P4VYKEB. Although no idea what
controllers do these panels use.

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