[Bug 90460] [BDW regression]Dpy_misc_s3d fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90460

ye.tian <yex.tian at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW

--- Comment #3 from ye.tian <yex.tian at intel.com> ---
By bisected, shows the first bad commit is d328c9d.

commit d328c9d78d64ca11e744fe227096990430a88477
Author:     Daniel Vetter <daniel.vetter at ffwll.ch>
AuthorDate: Fri Apr 10 16:22:37 2015 +0200
Commit:     Daniel Vetter <daniel.vetter at ffwll.ch>
CommitDate: Thu Apr 16 11:20:28 2015 +0200

    drm/i915: Select starting pipe bpp irrespective or the primary plane

    Since universal planes the primary plane might not be around, and it's
    kinda silly to restrict the pipe bpp to the primary plane if we might
    end up displaying a 10bpc video overlay. And with atomic we might very
    well enable a pipe without a primary plane. So just use the platform
    max as a starting point and then restrict appropriately.

    Of course this is all still a bit moot as long as we artificially
    compress everything to max 8bpc because we don't use the hi-bpc gamma
    tables.

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