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=-7.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 2A899C433DF for ; Wed, 1 Jul 2020 16:04:20 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F0983206C3 for ; Wed, 1 Jul 2020 16:04:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="lly8fj9R" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F0983206C3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=puri.sm Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=j/AmSC+xWBNljDWs8CvAHXHIpPz+31gnFfz5Xw2UpGc=; b=lly8fj9RQnfzwVKNCKPgIbMVX D8WF6k+6+jTSn+mvpWf6sKnfEajD9L0/wMqqu0eDDTffXfXvmoJhNgimpriwtFpjAiI5ODG73yrnv jpVV09RnG50QRW1g4TQXcutRnds6IAukivNhOVRac9O6MTp6NLsMH0ZTv4TjZOsuMxqQZxpL0YPYz gyquAIFYhkS7dAcs5VqMXc2tfvrpF9NucdiDuS37w1z4NetvuXyGXY1SWzSjd0RhPK7lxoYvjN8Lz Tq9rh6tFDDF+rRImI3hEnH3ForNiltCwc1Zq4eUamvoxxXKnCpTfl8j8iMstaUXkMoAY2mFZTXAJ3 iQCf/aBtw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jqfCH-00084L-17; Wed, 01 Jul 2020 16:02:53 +0000 Received: from honk.sigxcpu.org ([24.134.29.49]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jqfCD-00082m-JH for linux-arm-kernel@lists.infradead.org; Wed, 01 Jul 2020 16:02:50 +0000 Received: from localhost (localhost [127.0.0.1]) by honk.sigxcpu.org (Postfix) with ESMTP id 811FCFB03; Wed, 1 Jul 2020 18:02:48 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at honk.sigxcpu.org Received: from honk.sigxcpu.org ([127.0.0.1]) by localhost (honk.sigxcpu.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id g4FYZ4R6qEuf; Wed, 1 Jul 2020 18:02:47 +0200 (CEST) Received: by bogon.sigxcpu.org (Postfix, from userid 1000) id 2F5EF40972; Wed, 1 Jul 2020 18:02:47 +0200 (CEST) Date: Wed, 1 Jul 2020 18:02:47 +0200 From: Guido =?iso-8859-1?Q?G=FCnther?= To: Ondrej Jirman Subject: Re: [PATCH v6 08/13] drm/panel: st7703: Move generic part of init sequence to enable callback Message-ID: <20200701160247.GG174356@bogon.m.sigxcpu.org> References: <20200701103126.1512615-1-megous@megous.com> <20200701103126.1512615-9-megous@megous.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200701103126.1512615-9-megous@megous.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200701_120249_955419_D2A16FD9 X-CRM114-Status: GOOD ( 20.85 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, Purism Kernel Team , Samuel Holland , David Airlie , Linus Walleij , Bhushan Shah , Chen-Yu Tsai , Rob Herring , linux-kernel@vger.kernel.org, Martijn Braam , linux-sunxi@googlegroups.com, Thierry Reding , Maxime Ripard , Daniel Vetter , Sam Ravnborg , Luca Weiss , linux-arm-kernel@lists.infradead.org, Icenowy Zheng Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, On Wed, Jul 01, 2020 at 12:31:21PM +0200, Ondrej Jirman wrote: > Calling sleep out and display on is a controller specific part > of the initialization process. Move it out of the panel specific > initialization function to the enable callback. Reviewed-by: Guido G=FCnther = > = > Signed-off-by: Ondrej Jirman > Reviewed-by: Linus Walleij > --- > drivers/gpu/drm/panel/panel-sitronix-st7703.c | 33 ++++++++++--------- > 1 file changed, 18 insertions(+), 15 deletions(-) > = > diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/= drm/panel/panel-sitronix-st7703.c > index d03aab10cfef..cdbf7dfb4dd4 100644 > --- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c > +++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c > @@ -84,8 +84,6 @@ static inline struct st7703 *panel_to_st7703(struct drm= _panel *panel) > static int jh057n_init_sequence(struct st7703 *ctx) > { > struct mipi_dsi_device *dsi =3D to_mipi_dsi_device(ctx->dev); > - struct device *dev =3D ctx->dev; > - int ret; > = > /* > * Init sequence was supplied by the panel vendor. Most of the commands > @@ -136,20 +134,7 @@ static int jh057n_init_sequence(struct st7703 *ctx) > 0x18, 0x00, 0x09, 0x0E, 0x29, 0x2D, 0x3C, 0x41, > 0x37, 0x07, 0x0B, 0x0D, 0x10, 0x11, 0x0F, 0x10, > 0x11, 0x18); > - msleep(20); > - > - ret =3D mipi_dsi_dcs_exit_sleep_mode(dsi); > - if (ret < 0) { > - DRM_DEV_ERROR(dev, "Failed to exit sleep mode: %d\n", ret); > - return ret; > - } > - /* Panel is operational 120 msec after reset */ > - msleep(60); > - ret =3D mipi_dsi_dcs_set_display_on(dsi); > - if (ret) > - return ret; > = > - DRM_DEV_DEBUG_DRIVER(dev, "Panel init sequence done\n"); > return 0; > } > = > @@ -181,6 +166,7 @@ struct st7703_panel_desc jh057n00900_panel_desc =3D { > static int st7703_enable(struct drm_panel *panel) > { > struct st7703 *ctx =3D panel_to_st7703(panel); > + struct mipi_dsi_device *dsi =3D to_mipi_dsi_device(ctx->dev); > int ret; > = > ret =3D ctx->desc->init_sequence(ctx); > @@ -190,6 +176,23 @@ static int st7703_enable(struct drm_panel *panel) > return ret; > } > = > + msleep(20); > + > + ret =3D mipi_dsi_dcs_exit_sleep_mode(dsi); > + if (ret < 0) { > + DRM_DEV_ERROR(ctx->dev, "Failed to exit sleep mode: %d\n", ret); > + return ret; > + } > + > + /* Panel is operational 120 msec after reset */ > + msleep(60); > + > + ret =3D mipi_dsi_dcs_set_display_on(dsi); > + if (ret) > + return ret; > + > + DRM_DEV_DEBUG_DRIVER(ctx->dev, "Panel init sequence done\n"); > + > return 0; > } > = > -- = > 2.27.0 > = _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel