From patchwork Sat Dec 7 14:03:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Ravnborg X-Patchwork-Id: 11277609 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 0D7BB6C1 for ; Sat, 7 Dec 2019 14:12:17 +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 C88AB24677 for ; Sat, 7 Dec 2019 14:12:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="l20/Ke3J"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="OxXSoMt5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C88AB24677 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-mediatek-bounces+patchwork-linux-mediatek=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=vMfz1QTrXJzYrbVcBxy3feoh9zImv+67aET7AhSXwLE=; b=l20/Ke3J2SEYHE vSMR8Q0nMAMi5EYx8+YoAvXiAnp0vW4TW79phgz35X9JeIFsEXmPLWi9b/sn3s5zkuAU5kB5f8k0p oUeHFT8T0pIp5VUekkxChMfR2gM/KLVBPxWYRRJcsMx0FhyU1zMQW/FiuCX49oLYZcSJ/jkfQJQn/ EI0NeHEpVImTB/r5MjhuUnAwS8vcCO+8SZqTuzyEqHRg+PtWJgxRvPnwmkS8uMbSTb1BK4EuSGSJf qeqAq8cKnWjHtD+d5i56wG1xvB0eUsrLGGfoE2LiSsK5rH4Lsl8FZIJejUXt7maatjjqiOJFqKgaE 5krTN6IH4OdXM6NqvCMQ==; 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 1idaog-0006gn-IP; Sat, 07 Dec 2019 14:12:14 +0000 Received: from mail-lj1-x244.google.com ([2a00:1450:4864:20::244]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1idahQ-0005r6-Cj; Sat, 07 Dec 2019 14:04:47 +0000 Received: by mail-lj1-x244.google.com with SMTP id e10so10697481ljj.6; Sat, 07 Dec 2019 06:04:44 -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=FyzdtrGlFpa66vBX6d0CokXkZKTeTI49fgevppwlQZg=; b=OxXSoMt5KqlihAHzAB1tJW/fsjhsEVaVIHQaxDsigHnPvpF+WpEYROGZBvnoIyXDMc iTKm69RRPHv7BTKCbm9ObKOcHrT32z/UPlc/Glf9bUIo528EwwWmQZx7GAt+6Jsb10Om fcHNr+GJBKvKi5S1pnU9KrJ02ERnGk7w1kOORaWMN1Pt+X1ZEfJpsICzjXkuyzSIz8pZ NpVBk28gMihwGzY1CDV9Y0LcT2EqA6Iu9DV3egrmbtWVtlPTTyxQw05se5aFkzoao3yl Crfxl/Rn3rB20oEjkeD7xmWORzd3XpiPpJBrpwgakGE9FpVGwYL10TAsQFhHJysyftoA +tMw== 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=FyzdtrGlFpa66vBX6d0CokXkZKTeTI49fgevppwlQZg=; b=jBKS3w5jyPxkUHflPgfLFif7iBDbDRD/zpXftFUVsP1EAD8PkEW9O0e3cIDd3YvjSP iJ5o0UUou1CqQ5mqgleAyZGmHBPS61eCuSSrqIfP3BIGPjuoy/yCCsQyw4EfgSZUK6QW GHBo6Za0ktjaUYq+geOAW5pnK9+NhTHDFx4FSozuFsIhKAr/VbmTdjqRoryfXLYP4v9A c7TNMpgAG7s4YSUKXk64GHdJZ4aUuMaOqG9vpIvg9jEy1N6T2OXhegbSPjYWiYXJA5T5 oiFlK9cQO6uBjvvNdgme23uNKZVga/y9zZ0+kSxOnAEYMi11B0nsen6GoGoavhOrlX9t gBew== X-Gm-Message-State: APjAAAVtySnA/YO25Bv0PL+tjOcUzL8wcUtDkai4sPMrObbmXXUpdTvu dlHOwC1Inn8vxSeiQsBH5KA= X-Google-Smtp-Source: APXvYqzmbqgsvM4MYLG+23AC8GtnbZ5+HS2M1nUpn3JGh1VQ6K7SA75id3AxcVjTkWFzhcRKBys3yw== X-Received: by 2002:a2e:9194:: with SMTP id f20mr11614068ljg.154.1575727482524; Sat, 07 Dec 2019 06:04:42 -0800 (PST) Received: from saturn.lan (18.158-248-194.customer.lyse.net. [158.248.194.18]) by smtp.gmail.com with ESMTPSA id w17sm5644188lfn.22.2019.12.07.06.04.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Dec 2019 06:04:42 -0800 (PST) From: Sam Ravnborg To: dri-devel@lists.freedesktop.org, Thierry Reding , Laurent Pinchart , Linus Walleij , Sam Ravnborg Subject: [PATCH v2 18/25] drm/panel: ronbo-rb070d30: use drm_panel backlight support Date: Sat, 7 Dec 2019 15:03:46 +0100 Message-Id: <20191207140353.23967-19-sam@ravnborg.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191207140353.23967-1-sam@ravnborg.org> References: <20191207140353.23967-1-sam@ravnborg.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191207_060444_645565_3DE3DB9C X-CRM114-Status: GOOD ( 12.21 ) 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 [2a00:1450:4864:20:0:0:0:244 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an 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) 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -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-mediatek@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 , Stefan Agner , Andrzej Hajda , Benjamin Gaignard , 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-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Use the backlight support in drm_panel to simplify the driver Signed-off-by: Sam Ravnborg Reviewed-by: Laurent Pinchart 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)