From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754556AbeDYN4N (ORCPT ); Wed, 25 Apr 2018 09:56:13 -0400 Received: from mail.bootlin.com ([62.4.15.54]:36032 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754491AbeDYN4B (ORCPT ); Wed, 25 Apr 2018 09:56:01 -0400 Date: Wed, 25 Apr 2018 15:55:48 +0200 From: Maxime Ripard To: Jagan Teki Cc: Chen-Yu Tsai , Icenowy Zheng , Jernej Skrabec , Rob Herring , Mark Rutland , Catalin Marinas , Will Deacon , Michael Trimarchi , linux-arm-kernel , devicetree , linux-kernel , linux-sunxi Subject: Re: [RFC 00/13] arm64: allwinner: Add A64 DE2 pipeline support Message-ID: <20180425135548.ayeqo7t2dtbwq3of@flea> References: <20180424133425.24291-1-jagan@amarulasolutions.com> <20180424140850.ptxpmtusour7u6nb@flea> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="bimpxlhks3s6pru5" Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180323 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --bimpxlhks3s6pru5 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Apr 25, 2018 at 06:29:05PM +0530, Jagan Teki wrote: > On Tue, Apr 24, 2018 at 7:38 PM, Maxime Ripard > wrote: > > On Tue, Apr 24, 2018 at 07:04:12PM +0530, Jagan Teki wrote: > >> Allwinner A64 has display engine pipeline like other Allwinner SOC's A= 83T/H3/H5. > >> > >> A64 DE2 behaviour similar to Allwinner A83T where mixer0, connected to= tcon0 with > >> RGB, LVDS MIPI-DSI and mixer1, connected to tcon1 with HDMI. > >> This series merely concentrated on HDMI pipeline and rest will add eve= ntually. > >> > >> patch 1: dt-bindings for a64 DE2 CCU > >> > >> patch 2: a64 DE2 CCU node addition > >> > >> patch 3: dt-bindings for a64 DE2 pipeline > >> > >> patch 4 - 5: dt-bindings for a64 mixer0 and tcon-lcd > >> > >> patch 6: a64 DE2 pipeline node addition > >> > >> patch 7 - 8: dt-bindings for a64 HDMI and HDMI PHY > >> > >> patch 9: a64 HDMI nodes addition > >> > >> patch 10 - 11: dt-bindings for a64 mixer1 and tcon-tv > >> > >> patch 12: a64 HDMI pipeline > >> > >> patch 13: enable HDMI out on bananpi-m64 > >> > >> Tested HDMI on bananapi-m64 (along with DE2 SRAM C changes from [1] > >> thread), able to detect the HDMI but, no penguins on screen. > >> > >> Request for any suggestions. > >> > >> Test log on Bananpi-m64: > >> [ 0.247631] sun4i-drm display-engine: bound 1100000.mixer (ops sun8= i_mixer_ops) > >> [ 0.256717] sun4i-drm display-engine: bound 1200000.mixer (ops sun8= i_mixer_ops) > >> [ 0.256783] sun4i-tcon 1c0c000.lcd-controller: Missing LVDS propert= ies, Please upgrade your DT > >> [ 0.256792] sun4i-tcon 1c0c000.lcd-controller: LVDS output disabled > > > > That doesn't seem to work so well for LVDS. > > > >> [ 0.257081] sun4i-drm display-engine: No panel or bridge found... R= GB output disabled > >> [ 0.257099] sun4i-drm display-engine: bound 1c0c000.lcd-controller = (ops sun4i_tcon_ops) > >> [ 0.257273] sun4i-drm display-engine: No panel or bridge found... R= GB output disabled > >> [ 0.257288] sun4i-drm display-engine: bound 1c0d000.lcd-controller = (ops sun4i_tcon_ops) > >> [ 0.258176] sun8i-dw-hdmi 1ee0000.hdmi: Detected HDMI TX controller= v1.32a with HDCP (sun8i_dw_hdmi_p) > >> [ 0.258596] sun8i-dw-hdmi 1ee0000.hdmi: registered DesignWare HDMI = I2C bus driver > >> [ 0.259188] sun4i-drm display-engine: bound 1ee0000.hdmi (ops sun8i= _dw_hdmi_ops) > >> [ 0.259199] [drm] Supports vblank timestamp caching Rev 2 (21.10.20= 13). > >> [ 0.259205] [drm] No driver support for vblank timestamp query. > >> [ 0.259308] [drm] Cannot find any crtc or sizes > > > > A good guess would be that you can't get the EDIDs for some > > reason. Have you tried forcing a mode to see if the display part > > already works? >=20 > Yes I've forced and used custom EDID with 1024x786 bin and observed > that the bin is able to load. >=20 > [ 0.262973] [drm] No driver support for vblank timestamp query. > [ 0.263842] [drm] Got built-in EDID base block and 0 extensions > from "edid/1024x768.bin" for connector It's not really clear, is it displaying something? Maxime --=20 Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com --bimpxlhks3s6pru5 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE0VqZU19dR2zEVaqr0rTAlCFNr3QFAlrgiOMACgkQ0rTAlCFN r3QFNw/+LJeiFlPP3O3G2+yxjOkzQnI9GiEC8s6rn0ahwVnt6OTUY1+X4mnTDAkm qFjHjpm5MiD+SNIPdlniFL6qg/krc384PswFE7I90ojCxuQLeFiApRg4qiKPlojI aNecH3au9Kl7W5dMVf0jYpaaoc5JXIOQEs12wYy/YX5QU4KLYXh2LVlqEJ7KmqCy F+9dZn1GfD1/1xZoI7+x/V1npbXB4h3mLvD4D5AguwpuqrXKBIAv/T74UNhVBelr JX+sE6VfPmUD/jqJ5TzJOI06r/y2jFw6zR6baSfP89lBgr90clxPLos/CzOcsnh7 /IO532u4/AjJVZQRd+lDrIcO6DRly1dWamf2rbRTlIWgEk3atWYuKWiA/FeeqCii /2HeE1xp0rzV+myv+om8NHjENM/6VCflG35wplRcHq3iWnrVO9WxeQFNQOblSRx5 qtgZ/g5tuN481T8A6d91I5BqhlTKdqjEGZCH7NE6u/ffnMh7xUb1oN5g/qhQJepP cL1UJJKmwmdmzHmUw3zFzKl4pYcsM8S1ggoCrvrjAr5gamSDHFBGMeRaz80n5HIc F7BKp0elljthxtIESac/SYwznFSyeN7Kf0QMdqmO2H0Gj+1gpnJJg8FQvvJJOjZU /Wku2zTw989LI/FsNCKyM5SYM9KV8rDIqJKh6t3hZ55hQ0wxTBo= =rwxm -----END PGP SIGNATURE----- --bimpxlhks3s6pru5--