From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Date: Mon, 18 Jun 2018 10:27:06 +0200
From: Maxime Ripard <maxime.ripard@bootlin.com>
To: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Cc: dri-devel@lists.freedesktop.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        David Airlie <airlied@linux.ie>, Chen-Yu Tsai <wens@csie.org>,
        linux-sunxi@googlegroups.com,
        Giulio Benetti <giulio.benetti@micronovasrl.com>,
        stable@vger.kernel.org
Subject: Re: [PATCH] Revert "drm/sun4i: Handle DRM_BUS_FLAG_PIXDATA_*EDGE"
Message-ID: <20180618082706.jjklq36jeu3nqs2q@flea>
References: <20180613081647.31183-1-paul.kocialkowski@bootlin.com>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha256;
        protocol="application/pgp-signature"; boundary="m4crjbjbuqxcciob"
Content-Disposition: inline
In-Reply-To: <20180613081647.31183-1-paul.kocialkowski@bootlin.com>
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <stable.vger.kernel.org>


--m4crjbjbuqxcciob
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Wed, Jun 13, 2018 at 10:16:47AM +0200, Paul Kocialkowski wrote:
> This reverts commit 2c17a4368aad2b88b68e4390c819e226cf320f70.
>=20
> The offending commit triggers a run-time fault when accessing the panel
> element of the sun4i_tcon structure when no such panel is attached.
>=20
> It was apparently assumed in said commit that a panel is always used with
> the TCON. Although it is often the case, this is not always true.
> For instance a bridge might be used instead of a panel.
>=20
> This issue was discovered using an A13-OLinuXino, that uses the TCON
> in RGB mode for a simple DAC-based VGA bridge.
>=20
> Cc: stable@vger.kernel.org
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>

Applied, thanks

Maxime

--=20
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

--m4crjbjbuqxcciob
Content-Type: application/pgp-signature; name="signature.asc"

-----BEGIN PGP SIGNATURE-----
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=r7ix
-----END PGP SIGNATURE-----

--m4crjbjbuqxcciob--