From patchwork Mon Dec 2 19:32:23 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Ravnborg X-Patchwork-Id: 11269783 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 588E8109A for ; Mon, 2 Dec 2019 19:40:08 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 3187F20661 for ; Mon, 2 Dec 2019 19:40:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Nu5Yvi77"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="TXUTqMev" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3187F20661 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ravnborg.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=PqkITwgqCpFoeHNjh1+D26sjPPyr8PJx1l11xZN6jDw=; b=Nu5Yvi777cwO4B Rt+PvP3f3wIY5geb2LDkrNv+XIH/aUgi0V3DXY+QV8tTB1asy4DexPY1hrNKPJZ9UIwqz7ti4UJ2F tOWKS8DecYjwivvTo3bZGOqJZzkIznRKnyAcsnRRAtwjqx3HRuOA+uI02FjrLcvc5HPyTllxOpFfj trqShd2jirvEDMCT94AyHo9sQ+I8fS1FltRsI7m2H6Lc33fUvQBJQfFPWRrKK4rOMF6ygA3PhI5QO WAa+DgPrUSI+hatgcc6lhP554OpDr4t3tfctqjKrjyWZYkUpm456SW9WXtZxfmT5Q9qePH6aoZZL0 OYsssEZnozKuykdqcbxQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ibrYD-0006W8-VO; Mon, 02 Dec 2019 19:40:05 +0000 Received: from mail-lf1-x142.google.com ([2a00:1450:4864:20::142]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ibrS2-0007ow-FY; Mon, 02 Dec 2019 19:33:44 +0000 Received: by mail-lf1-x142.google.com with SMTP id q6so777464lfb.6; Mon, 02 Dec 2019 11:33:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=RAsbC5cqN6MKFPQ6PG5e5K6xQzBWVJ78zoRaemBgaGg=; b=TXUTqMevG+NnSg2VBH8v+6DuQCnq6JRVAalnYOEupDPG7sgQ4MOBs0GxgbTost/kN2 5W4yzzNwg+Y3BitXq2T9jpEpfJHIptbCJeIjvnco+zlT2eefFw4RBaEB+ibA+F8H7ymY AkNZCpxsiTQfe0XRmefXBvT82/3Wnq/R7+W+Dc195BoXoXm3NxY3jx6fhADMTjgo2ZDN 4Onzbk+H6sTnkhdgzv7O4OOSO/csJHyyJn6Mz73f1WDRE/lYGlRqBp+jCTYqz4XJtUlD WhN2e+8+09qJ90X8cql4g9vMVXvF8HZXhmAp7SXQ2gvtV5c75/VwyBQyjSXFwqleuXbC mLag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=RAsbC5cqN6MKFPQ6PG5e5K6xQzBWVJ78zoRaemBgaGg=; b=CHACvqwYutSWtHcv7NyLIcZNft4M8vZFig70IixDwYulRlZEkZhdzykVqV5jmZY7uj vkaAfph3EPAgvf4DMmhhVaUgTCko5zDu6CUKGhOEM0/OvXER7dvey5NJ4DWf3nwto4EK Ys7C8YsHrRU2EsVj57OKCPUshEzPClRa8gnI50ZBqYNami9tarugR3oax0AbjgjreYQy bcq0toUNb0dkUg9Nc2hvJAJsUcHiK7AU58Q67IO+bDa/XH+vWvyiA1ahV50IcOn8XnVi C/PLXK3rN7a5t0fCoTuOvcvnKR2i3oonCoxnMNGlpMRI1Amk/0XCymS4BZfvk+a0Axbg 37CA== X-Gm-Message-State: APjAAAVdyaQzLTEjw9ofudKOuUTn5uZmdl91Yqufep3MzOHFawNqp6Vu 38R1FTji8ys0Z0fAsDLX0W4= X-Google-Smtp-Source: APXvYqxgC0o7yY6+/wa5jNY1ByPzl8EwYMqBcVDLKKwFraG7QLXiwa/WDguruEd1xtBPdhlcSdCT9w== X-Received: by 2002:ac2:4946:: with SMTP id o6mr432258lfi.170.1575315220244; Mon, 02 Dec 2019 11:33:40 -0800 (PST) Received: from saturn.lan (18.158-248-194.customer.lyse.net. [158.248.194.18]) by smtp.gmail.com with ESMTPSA id g13sm79482lfb.74.2019.12.02.11.33.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Dec 2019 11:33:39 -0800 (PST) From: Sam Ravnborg To: dri-devel@lists.freedesktop.org, Thierry Reding , Laurent Pinchart Subject: [PATCH v1 19/26] drm/panel: ronbo-rb070d30: use drm_panel backlight support Date: Mon, 2 Dec 2019 20:32:23 +0100 Message-Id: <20191202193230.21310-20-sam@ravnborg.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191202193230.21310-1-sam@ravnborg.org> References: <20191202193230.21310-1-sam@ravnborg.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191202_113342_632273_F26AAB38 X-CRM114-Status: GOOD ( 12.42 ) X-Spam-Score: 0.4 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.4 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:142 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.2 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (sam.ravnborg[at]gmail.com) 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.2 FREEMAIL_FORGED_FROMDOMAIN 2nd level domains in From and EnvelopeFrom freemail headers are different 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: Neil Armstrong , David Airlie , Linus Walleij , Stefan Agner , Andrzej Hajda , Benjamin Gaignard , Sam Ravnborg , linux-samsung-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, Tomi Valkeinen , Jagan Teki , NXP Linux Team , Jitao Shi , Pengutronix Kernel Team , Maarten Lankhorst , Maxime Ripard , linux-mediatek@lists.infradead.org, Abhinav Kumar , linux-tegra@vger.kernel.org, Sean Paul , linux-arm-kernel@lists.infradead.org, Purism Kernel Team , linux-renesas-soc@vger.kernel.org, Boris Brezillon , Daniel Vetter Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Use the backlight support in drm_panel to simplify the driver Signed-off-by: Sam Ravnborg Cc: Thierry Reding Cc: Sam Ravnborg --- drivers/gpu/drm/panel/panel-ronbo-rb070d30.c | 19 +++---------------- 1 file changed, 3 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-ronbo-rb070d30.c b/drivers/gpu/drm/panel/panel-ronbo-rb070d30.c index 746a3a221100..ef18559e237e 100644 --- a/drivers/gpu/drm/panel/panel-ronbo-rb070d30.c +++ b/drivers/gpu/drm/panel/panel-ronbo-rb070d30.c @@ -7,7 +7,6 @@ * This file based on panel-ilitek-ili9881c.c */ -#include #include #include #include @@ -29,7 +28,6 @@ struct rb070d30_panel { struct drm_panel panel; struct mipi_dsi_device *dsi; - struct backlight_device *backlight; struct regulator *supply; struct { @@ -84,22 +82,13 @@ static int rb070d30_panel_enable(struct drm_panel *panel) if (ret) return ret; - ret = backlight_enable(ctx->backlight); - if (ret) - goto out; - return 0; - -out: - mipi_dsi_dcs_enter_sleep_mode(ctx->dsi); - return ret; } static int rb070d30_panel_disable(struct drm_panel *panel) { struct rb070d30_panel *ctx = panel_to_rb070d30_panel(panel); - backlight_disable(ctx->backlight); return mipi_dsi_dcs_enter_sleep_mode(ctx->dsi); } @@ -208,11 +197,9 @@ static int rb070d30_panel_dsi_probe(struct mipi_dsi_device *dsi) return PTR_ERR(ctx->gpios.shlr); } - ctx->backlight = devm_of_find_backlight(&dsi->dev); - if (IS_ERR(ctx->backlight)) { - DRM_DEV_ERROR(&dsi->dev, "Couldn't get our backlight\n"); - return PTR_ERR(ctx->backlight); - } + ret = drm_panel_of_backlight(&ctx->panel); + if (ret) + return ret; ret = drm_panel_add(&ctx->panel); if (ret < 0)