[Bug 66480] [SNB regression]*ERROR* mismatch in adjusted_mode.flags

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66480

--- Comment #3 from cancan,feng <cancan.feng at intel.com> ---
I bisected this issue on SNB, it turns out the same first bad commit with bug
#65442. Bisect info as following:

045ac3b5629d9711531a408e92f9074db6afe7ce is the first bad commit
commit 045ac3b5629d9711531a408e92f9074db6afe7ce
Author: Jesse Barnes <jbarnes at virtuousgeek.org>
Date:   Tue May 14 17:08:26 2013 -0700

    drm/i915: add encoder get_config function v5

    We can use this for fetching encoder specific pipe_config state, like
    mode flags, adjusted clock, etc.

    Just used for mode flags atm, so we can check the pipe config state at
    mode set time.

    v2: get_config when checking hw state too
    v3: fix DVO and LVDS mode flags (Ville)
        get SDVO DTD for flag fetch (Ville)
    v4: use input timings (Ville)
        correct command used (Ville)
        remove gen4 check (Ville)
    v5: get DDI flag config too

    Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
    Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com> (v4)
    Tested-by: Paulo Zanoni <przanoni at gmail.com> (the new hsw ddi stuff)
    Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

:040000 040000 b2b8a7612a37028fb4ff2f62e372b70e9ce5179a
7b4bf7d42a2d1ce673ea2f405035e4c9c7dfe4a8 M      drivers

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