[Bug 90733] [BSW Bisected]kms_flip and kms_plane cause WARNING: CPU: 0 PID: 4116 at drivers/gpu/drm/i915/i915_gem.c:5273 i915_gem_track_fb+0x6e/0x10c [i915]()

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90733

lu hua <huax.lu at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW
            Summary|[BSW Regression]kms_flip    |[BSW Bisected]kms_flip and
                   |and kms_plane cause         |kms_plane cause WARNING:
                   |WARNING: CPU: 0 PID: 4116   |CPU: 0 PID: 4116 at
                   |at                          |drivers/gpu/drm/i915/i915_g
                   |drivers/gpu/drm/i915/i915_g |em.c:5273
                   |em.c:5273                   |i915_gem_track_fb+0x6e/0x10
                   |i915_gem_track_fb+0x6e/0x10 |c [i915]()
                   |c [i915]()                  |

--- Comment #5 from lu hua <huax.lu at intel.com> ---
Bisect shows: 57744aa7cfb5969c5a0621f4cfa45bb83d391064 is the first bad commit.
commit 57744aa7cfb5969c5a0621f4cfa45bb83d391064
Author:     Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
AuthorDate: Tue May 19 16:41:03 2015 +0200
Commit:     Daniel Vetter <daniel.vetter at ffwll.ch>
CommitDate: Thu May 21 10:29:07 2015 +0200

    drm/atomic: add all affected planes in drm_atomic_helper_check_modeset

    Drivers may need to recalculate plane state when a modeset occurs,
    not reliably adding them might cause hard to debug bugs.

    Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
    Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

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