linux-kernel - screen rotation flipped in 4.8-rc

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Date:   Tue, 30 Aug 2016 22:42:12 +0000
From:   "Pandruvada, Srinivas" <srinivas.pandruvada@...el.com>
To:     "linux@...encehorizons.net" <linux@...encehorizons.net>,
        "jic23@...nel.org" <jic23@...nel.org>,
        "hadess@...ess.net" <hadess@...ess.net>
CC:     "srinivas.pandruvada@...ux.intel.com" 
        <srinivas.pandruvada@...ux.intel.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>
Subject: screen rotation flipped in 4.8-rc

Hi All,

I observed that using iio-sensor-proxy.service, the auto screen
rotation flipped on my laptop (Normal -> vertical, vertical->normal)
using kernel v4.8.

Anyone else has seen this?

I did a bisect and found a commit, which I am not sure how can it
impact.

commit 703b5faf22fbddf984a361e6555f3a03fdba63d9
Author: George Spelvin <linux@...encehorizons.net>
Date:   Fri Jun 10 00:22:12 2016 -0400

    fs/dcache.c: Save one 32-bit multiply in dcache lookup

    Noe that we're mixing in the parent pointer earlier, we
    don't need to use hash_32() to mix its bits.  Instead, we can
    just take the msbits of the hash value directly.

    For those applications which use the partial_name_hash(),
    move the multiply to end_name_hash.

    Signed-off-by: George Spelvin <linux@...encehorizons.net>
    Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>

Thanks,
Srinivas