Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932811AbcKVK21 (ORCPT ); Tue, 22 Nov 2016 05:28:27 -0500 Received: from fllnx210.ext.ti.com ([198.47.19.17]:15794 "EHLO fllnx210.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932656AbcKVK2Z (ORCPT ); Tue, 22 Nov 2016 05:28:25 -0500 Subject: Re: [PATCH] ARM: dts: da850: specify max width for display node To: Bartosz Golaszewski , Kevin Hilman , Michael Turquette , Sekhar Nori , Rob Herring , Frank Rowand , Mark Rutland , Peter Ujfalusi , Russell King References: <1479807775-28283-1-git-send-email-bgolaszewski@baylibre.com> CC: LKML , arm-soc , linux-drm , linux-devicetree , Jyri Sarha , David Airlie , Laurent Pinchart From: Tomi Valkeinen Message-ID: <77c993f3-1b5f-94cf-c4bc-8a30148e0a4d@ti.com> Date: Tue, 22 Nov 2016 12:27:33 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: <1479807775-28283-1-git-send-email-bgolaszewski@baylibre.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="HDJd31sSdheLSB2bvS5ofVJeIWiMINVf0" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3289 Lines: 85 --HDJd31sSdheLSB2bvS5ofVJeIWiMINVf0 Content-Type: multipart/mixed; boundary="qUvnw3SU7kuXgTTQW9prWlu8KH0v2PI9u"; protected-headers="v1" From: Tomi Valkeinen To: Bartosz Golaszewski , Kevin Hilman , Michael Turquette , Sekhar Nori , Rob Herring , Frank Rowand , Mark Rutland , Peter Ujfalusi , Russell King Cc: LKML , arm-soc , linux-drm , linux-devicetree , Jyri Sarha , David Airlie , Laurent Pinchart Message-ID: <77c993f3-1b5f-94cf-c4bc-8a30148e0a4d@ti.com> Subject: Re: [PATCH] ARM: dts: da850: specify max width for display node References: <1479807775-28283-1-git-send-email-bgolaszewski@baylibre.com> In-Reply-To: <1479807775-28283-1-git-send-email-bgolaszewski@baylibre.com> --qUvnw3SU7kuXgTTQW9prWlu8KH0v2PI9u Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 22/11/16 11:42, Bartosz Golaszewski wrote: > It has been determined that the highest resolution supported correctly > by LCDC rev1 is 800x600 on da850 due to memory bandwidth constraints. >=20 > Set the max_width property in da850.dtsi to 800. >=20 > Signed-off-by: Bartosz Golaszewski > --- > arch/arm/boot/dts/da850.dtsi | 1 + > 1 file changed, 1 insertion(+) >=20 > diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dts= i > index 36066fa..0876238 100644 > --- a/arch/arm/boot/dts/da850.dtsi > +++ b/arch/arm/boot/dts/da850.dtsi > @@ -441,6 +441,7 @@ > compatible =3D "ti,da850-tilcdc"; > reg =3D <0x213000 0x1000>; > interrupts =3D <52>; > + max-width =3D <800>; > status =3D "disabled"; > }; > }; >=20 Does 1024x768@10 work? The max-width should be the hardware's maximum supported width, not used for bandwidth. tilcdc has max-bandwidth property for that. Tomi --qUvnw3SU7kuXgTTQW9prWlu8KH0v2PI9u-- --HDJd31sSdheLSB2bvS5ofVJeIWiMINVf0 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJYNB2VAAoJEPo9qoy8lh71OXAP/1kXj0v0Bmou9qukhF2Oo3yh n9TE43dLpGTlT8PmwD6a71aQ0JjOu3WEwbUhWQ9HkXS2yHs04cTCWScREBmdummz gebeBPn1ncAzVW2se42UiD/9qLPpQ0gkugFXe5OQscbUdD0nMYth25LTDC5UeNbY nvy1u9jXWlKpiO3DNmwK6bFieg0TZJXmkBL+vEu091YpKxwUHGKHIa8bX35aH7u0 rmTy4EkYY+wIdnxTnOnVmoHgyKhByGbeDzCLaW/mf2M4Yb9zsy2giNLpGYJZrsH5 zOqapS8JaNE1Bax9dsRFqrwoKU0Lxssokg/UfcrV1GQ5WUdaJHqLJnjp0JI6YkTJ sRbH4iuXRFqoFvSmyZJVGrLVFokz4m+CtgpSHZmZm6m7SM5TEakx8Y0zndjEg3hb yv2Z7AgCw/xdeHK6jqtpk03e5/+80SlKhbgFdI+EDiOpdgzsQFdm3L539NscuVbT v5yK5h8kvJ1AwADJ0ZGPpnU0dGHLo8GzZl+UTZLhBQnuAyTIsbfkmcuKr+KFBQPI PiwfRzLRW0rDijYgQ2zq5mSQUgDos1+mElQGkI4UsQQa+hrXO14GeLvVhZmlu7pF F4WzXN6UKXlFQcDg6SGujuLZPGorh/MROAQx6a5Q9XP7ca66l8v+gX5EWEW8To/q 9eCvHyAAjvFR2Dl+WvzN =LUe7 -----END PGP SIGNATURE----- --HDJd31sSdheLSB2bvS5ofVJeIWiMINVf0--