From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_NEOMUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 06190C43381 for ; Tue, 12 Mar 2019 15:53:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CD3AC214AE for ; Tue, 12 Mar 2019 15:53:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726809AbfCLPw7 (ORCPT ); Tue, 12 Mar 2019 11:52:59 -0400 Received: from relay6-d.mail.gandi.net ([217.70.183.198]:58133 "EHLO relay6-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726779AbfCLPw5 (ORCPT ); Tue, 12 Mar 2019 11:52:57 -0400 X-Originating-IP: 90.88.22.102 Received: from localhost (aaubervilliers-681-1-80-102.w90-88.abo.wanadoo.fr [90.88.22.102]) (Authenticated sender: maxime.ripard@bootlin.com) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id CF9EBC001A; Tue, 12 Mar 2019 15:52:53 +0000 (UTC) Date: Tue, 12 Mar 2019 16:52:53 +0100 From: Maxime Ripard To: Sergey Suloev Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: sun6i MIPI DSI driver EoTp Message-ID: <20190312155253.kdsqgby32jgagdta@flea> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="3jzijxynu3ren5ic" Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --3jzijxynu3ren5ic Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, On Mon, Mar 11, 2019 at 09:43:36PM +0300, Sergey Suloev wrote: > according to MIPI DSI spec chapter 8.8.2=A0 the EoTp packet can be enable= d or > disabled on the protocol level. > It seems like that it might be required for the panel I am working on (Hi= max > HX8379A-based panel). > Here is some crappy driver I found on github showing that it might be an > issue=A0 [1] >=20 > May I ask you if this feature supported by sun6i MIPI DSI driver and > where ? > As there is no datasheet available, could you please help to support this > feature (if not yet) ? I haven't seen any panel that used it so far, so I have no idea. I guess this would be controlled through SUN6I_DSI_BASIC_CTL0_HS_EOTP_EN in the driver. > The second point is that the panel requires NON-BURST-WITH-SYNC-EVENTS mo= de. > Could it be a problem with the current driver? That should be supported in -next Maxime --=20 Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --3jzijxynu3ren5ic Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXIfV1QAKCRDj7w1vZxhR xV5oAPsFedPiPD/nq+8Tw50Q+I2KJdaBDg9+bDxvZdQlNYitXAEA/zDjzP4ba6j4 a6V6BxbJdp6FExNa7cu4ndJVMQi5awI= =j6+k -----END PGP SIGNATURE----- --3jzijxynu3ren5ic--