[Bug 108085] Intel GeminiLake corruption at top of screen caused by fbc

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108085

Daniel Drake <dan at reactivated.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         QA Contact|intel-3d-bugs at lists.freedes |intel-gfx-bugs at lists.freede
                   |ktop.org                    |sktop.org
           Assignee|intel-3d-bugs at lists.freedes |intel-gfx-bugs at lists.freede
                   |ktop.org                    |sktop.org
            Version|18.2                        |unspecified
            Summary|Intel GeminiLake corruption |Intel GeminiLake corruption
                   |at top of screen            |at top of screen caused by
                   |                            |fbc
          Component|Drivers/DRI/i965            |DRM/Intel
            Product|Mesa                        |DRI
             Status|NEEDINFO                    |NEW
                 CC|                            |intel-gfx-bugs at lists.freede
                   |                            |sktop.org

--- Comment #12 from Daniel Drake <dan at reactivated.net> ---
i915.enable_fbc=0 makes the issue go away

Re-enabling fbc, I also tried INTEL_DEBUG=norbc for mesa but the issue is still
there.

So this seems to be a bug with the i915 kernel driver framebuffer compression,
I'm adjusting the bug accordingly.

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