[Bug 96624] texture misrender in The Talos Principle on SKL

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96624

            Bug ID: 96624
           Summary: texture misrender in The Talos Principle on SKL
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: notasas at gmail.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Created attachment 124648
  --> https://bugs.freedesktop.org/attachment.cgi?id=124648&action=edit
screenshot

The Talos Principle bug series continues from bug 96607 with another texture
misrendering, see bottom-right corner of the attached screenshot. The texture
is flickering between good and bad rendering while ingame.

This seems to be a Skylake specific issue as it doesn't reproduce on Haswell.
Does not seem to be a regression and shows up since SKL support was added to
mesa. Same result on 4.4 and 4.6 kernels.

Screenshot is from the last frame of this trace:
https://drive.google.com/file/d/0Bz8fw_SGGDzsUi1keXg5VVdDRUU/view?usp=sharing

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