[Bug 90546] [BSW Regression]igt/pm_rpm/drm-resources-equal fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90546

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 bisect, shows the first bad commit is 6b275b1.

commit 6b275b140094b701f7ad15272f0597e9d954e5e4
Author:     Takashi Iwai <tiwai at suse.de>
AuthorDate: Fri Mar 20 18:11:05 2015 +0100
Commit:     Takashi Iwai <tiwai at suse.de>
CommitDate: Fri Mar 20 18:30:48 2015 +0100

    ALSA: hda - Fix power of pins used for mute LED with vrefs

    Some pins are used for controlling the LED with the VREF value.
    This patch changes the power behavior of such pins to be constantly
    up.  A new state, pin_fixed, is introduced to nid_path to indicate
    that the path contains the fixed pin.  This improves also the
    readability a bit for other static routes, too.

    Then a helper function snd_hda_gen_fix_pin_power() is called from the
    codec driver for such fixed pins, and it will create fake paths
    containing only these pins with pin_fixed=1 flag.

    Reported-by: David Henningsson <david.henningsson at canonical.com>
    Signed-off-by: Takashi Iwai <tiwai at suse.de>

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