[Bug 110545] [CI][DRMTIP] igt at kms_universal_plane@universal-plane-pipe-[abc]-sanity - fail - Failed assertion: igt_display_try_commit2(&data->display, COMMIT_UNIVERSAL) == expect

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110545

Matt Roper <matthew.d.roper at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |matthew.d.roper at intel.com
      i915 platform|CFL                         |

--- Comment #4 from Matt Roper <matthew.d.roper at intel.com> ---
The test is written to assume that only gen9+ can "window" their primary plane
(i.e., plane dimensions do not exactly match pipe dimensions).  That was true
until very recently when

    commit 26443a4bc44850ff28329ae97a3cc9349d7dd87b
    Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
    Date:   Wed Jul 3 23:08:19 2019 +0300

        drm/i915: Add windowing for primary planes on gen2/3 and chv

allowed gen2/3 and chv to also window their primary planes.  The test will need
to be updated to account for this behavior change and avoid failures on these
older platforms.

Note:  there were also a couple CML failures 5 months ago, but that seems to
have been an unrelated problem and has been fixed since it hasn't happened
since.  Dropping the 'CFL' tag from this bug since all recent failures have
been gen2/gen3.

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