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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 1448DC04AAF for ; Mon, 20 May 2019 09:07:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D7F4D20859 for ; Mon, 20 May 2019 09:07:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.b="BwmX6vUw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731889AbfETJHq (ORCPT ); Mon, 20 May 2019 05:07:46 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:32919 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725764AbfETJHp (ORCPT ); Mon, 20 May 2019 05:07:45 -0400 Received: by mail-pf1-f194.google.com with SMTP id z28so6929044pfk.0 for ; Mon, 20 May 2019 02:07:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=qhq8BOri8GqXtdsxg8qxzoiDzDhWP4zxzqC5ifM9GUM=; b=BwmX6vUwVXSoWUXZaDGxZnC4C2nA+2FLx9nM53JLcHkyAB5WcTW4XIBvaCMGkvN9l8 h8ifkdY4+WuJmXFbgWagA5sRceen0HDsv0Ox5dmquIwP9fPC2bcFhBAVP4TCIRHCSf4Y 7nZE/DDUbxoFttnsMo29hrKifDT5WRjCfoT3E= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=qhq8BOri8GqXtdsxg8qxzoiDzDhWP4zxzqC5ifM9GUM=; b=oEhyn806T9NNA9ePFGSLn2OHGTgGyur42iumguSdhhFVrxDenXzkmAbPhsBxJnLPMD 4Vo4EbMkj3WbSyAFc2w/Rj+KwzyLcYPskrBnTuoXR4n4QhCPrCIH0Chde1OyObvA3qRY LBEvWLKuSOEDHmN6cVD2oYkUkVRGBybErSZrXz183iyOmX+h22uNbpcyOd47lVDYfp0H N+DT0YCUNf0bTx+179wl9iln1+4vDzLTiFcJJMwqImw3VaoTxcXpdvkmliEPfQ8l9EQ2 295exqmpwVjUgmPdvSZi01QV3mxCJm9QPcELHSl47LgLE0MuIUihYek/a6ehRW3ekn7O oCLw== X-Gm-Message-State: APjAAAXYgHVeZSuCgYhJKeWt3zcsmQ0/bWazmrIUa9+qZDxmJtwc6MTI Aue6aP5X8N6nOt4lGrW7smzypA== X-Google-Smtp-Source: APXvYqzQbGvwKqbUYTfkmz0DyTQcGldqq+MJrZmXW5rXq1utn0gBm9ge5J4w6ezaiZlHn0axjqJVLg== X-Received: by 2002:a65:628b:: with SMTP id f11mr71262665pgv.95.1558343265015; Mon, 20 May 2019 02:07:45 -0700 (PDT) Received: from localhost.localdomain ([183.82.227.193]) by smtp.gmail.com with ESMTPSA id d15sm51671614pfm.186.2019.05.20.02.07.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 20 May 2019 02:07:44 -0700 (PDT) From: Jagan Teki To: Maxime Ripard , David Airlie , Daniel Vetter , Chen-Yu Tsai , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: bshah@mykolab.com, Vasily Khoruzhick , powerpan@qq.com, michael@amarulasolutions.com, linux-amarula@amarulasolutions.com, linux-sunxi@googlegroups.com, Jagan Teki Subject: [PATCH v10 06/11] drm/sun4i: dsi: Probe tcon0 during dsi_bind Date: Mon, 20 May 2019 14:33:13 +0530 Message-Id: <20190520090318.27570-7-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20190520090318.27570-1-jagan@amarulasolutions.com> References: <20190520090318.27570-1-jagan@amarulasolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Probe tcon0 during dsi_bind, so-that the tcon attributes like divider value, clock rates are available whenever it required. Tested-by: Merlijn Wajer Signed-off-by: Jagan Teki --- drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c | 6 ++++++ drivers/gpu/drm/sun4i/sun6i_mipi_dsi.h | 1 + 2 files changed, 7 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c index 47d571d97600..1f9ed2642a47 100644 --- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c +++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c @@ -1045,6 +1045,7 @@ static int sun6i_dsi_bind(struct device *dev, struct device *master, struct drm_device *drm = data; struct sun4i_drv *drv = drm->dev_private; struct sun6i_dsi *dsi = dev_get_drvdata(dev); + struct sun4i_tcon *tcon0 = sun4i_get_tcon0(drm); int ret; if (!(dsi->panel || dsi->bridge)) { @@ -1054,6 +1055,11 @@ static int sun6i_dsi_bind(struct device *dev, struct device *master, dsi->drv = drv; + if (!tcon0) + return -EINVAL; + + dsi->tcon = tcon0; + drm_encoder_helper_add(&dsi->encoder, &sun6i_dsi_enc_helper_funcs); ret = drm_encoder_init(drm, diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.h b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.h index 9c140f55b822..f2826e3ea165 100644 --- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.h +++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.h @@ -28,6 +28,7 @@ struct sun6i_dsi { struct device *dev; struct sun4i_drv *drv; + struct sun4i_tcon *tcon; struct mipi_dsi_device *device; struct drm_panel *panel; struct drm_bridge *bridge; -- 2.18.0.321.gffc6fa0e3