[Bug 90410] [BDW-H]System boot up causes [drm:check_crtc_state [i915]] *ERROR* mismatch in ddi_pll_sel (expected 0x00000000, found 0x80000000)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90410

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

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

--- Comment #2 from ye.tian <yex.tian at intel.com> ---
By bisected, shows the first bad commit is a821fc4.

commit a821fc46bc7bb6d4cf9a5f8d2787fd70231c2c10
Author:     Ander Conselvan de Oliveira <ander.conselvan.de.oliveira at intel.com>
AuthorDate: Tue Apr 21 17:13:23 2015 +0300
Commit:     Daniel Vetter <daniel.vetter at ffwll.ch>
CommitDate: Fri May 8 13:04:10 2015 +0200

    drm/i915: Swap atomic state in legacy modeset

    Replace the commit output state function with a simple swap of states.
    Note that we still need to reconcile the legacy state after the swap,
    since there are still code that relies on those.

    Also note that even though changes to the state of a crtc different than
    the one passed as an argument to __intel_set_mode() will be saved, the
    modeset logic still deals with only one crtc.

    Signed-off-by: Ander Conselvan de Oliveira
<ander.conselvan.de.oliveira at intel.com>
    Reviewed-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
    Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

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