From patchwork Mon Dec 2 19:32:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Ravnborg X-Patchwork-Id: 11269739 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 C0B2513A4 for ; Mon, 2 Dec 2019 19:37:14 +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 7916E20661 for ; Mon, 2 Dec 2019 19:37:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="d8KRT/+4"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="frMI18ND" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7916E20661 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=evB01no9uuzsBHoBPAkrgcjI27ySJDJg4A3VWmH/0uY=; b=d8KRT/+42t4oq+ UaNqIRB8IdSwjNDLv1+yheZdsGVeq/QMyH3fWmSrdu9BbqfpAbNb9bCa51Fef2VUv9Ki2td14dFsd Jvf1zmYY6OVDV55Tl8GDcqjsjPCrbS7X9kNYSs7r1wJr71hvdsB7E3vrGC668E0ztQcWTOeZrrt9M G3Jc3oS2NuVoMPI/nMSbCttpRTGL1FyfBu9lsiJ/WZ1A/jW4fBprOR2Ya5LmnaoLsud2bUCu/Yu/F tp15KEmWJOXzAFTXRdLxrt4V8+M+7cPoNwuLt7CbKa3Y/wTvAm+Kj5j0Q/MDaNJYOeUw/Tn4R2Cru rkfEfu3FegvlA24UvbpA==; 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 1ibrVQ-0003qR-3t; Mon, 02 Dec 2019 19:37:12 +0000 Received: from mail-lj1-x242.google.com ([2a00:1450:4864:20::242]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ibrRl-0007bp-9B; Mon, 02 Dec 2019 19:33:30 +0000 Received: by mail-lj1-x242.google.com with SMTP id m6so868476ljc.1; Mon, 02 Dec 2019 11:33:25 -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=SZWMV+Yn1n2qxRJClXssw0x9jjzxt8p36cqP16qYlFw=; b=frMI18ND0CrGpRVoz0OF84/PH36Owh77oBXHkdHxFAhthah1O0rNVYydhRQb7d6viP BCk+dD/GzECwi/F2n2DqleQS893D3L2lqkpbbYK95/S/TIv4XagcmzI9eAo5q4uRuQg0 xzhWOqXqvMgPDG5cYICG3bapo4zCav/4T+Idmji0shD088h5xUCqyDVlZ+zxlkn8tIGx a9ZHWmSRGNggrqIV3w7Q/5tL1+kql/xXrReYl5u34OrzQgWnRXjkGuFAd0M1X2aHk0B+ eG8VKd22Sio2oqOYiybikcVPNtv+psbbAuVYKAjE7br9TYNcnyCgpNhutdtXJUOxwbc8 CkPA== 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=SZWMV+Yn1n2qxRJClXssw0x9jjzxt8p36cqP16qYlFw=; b=D8Hg6h71oRvC3CeJ2WiLBv1hckaTF84NeEpRC4t2U+wVYyDzujdzMt1k2fyXb/neur hsTyQVq09nnUhsO0jfafKjoyW+9QqxVHenQ1us5QLiYg7wzO6juuKWCWnPDQFL3VC/Mj dUPCpV5cIibp5e4Ln6YQMgaaeK/AI2yZQjKys4d5UNP1su7DftO7Gr8P1BZQejdahu5A gXexPT1Bgd3UpSbk58sMziiQa6R+CBXPFhb5kquooscQFQr/MdL1WsE4C5X98xgH0FYr z8HOE7xHgLPbtSFbD8+HLvlK0tWK1nd0HmJBa03Ve+WES5V7JZILgwVozibRQ82S4dw4 cIjA== X-Gm-Message-State: APjAAAWIsHUlnH14yAesb1QvZ+LtSZ064RfNnHn9iWjSkRCb+fyBtwnn HZQ3qgwdrkf4w1rxRjjnPcs= X-Google-Smtp-Source: APXvYqyXXdCnUTLi1SoZH1pKdgl0Vb/3Bp3QBgnJto+WVAY2jbGBVOdB3Q4OelNXtyNkSlqln2bYfQ== X-Received: by 2002:a2e:89c6:: with SMTP id c6mr264410ljk.113.1575315203864; Mon, 02 Dec 2019 11:33:23 -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.74.2019.12.02.11.33.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Dec 2019 11:33:23 -0800 (PST) From: Sam Ravnborg To: dri-devel@lists.freedesktop.org, Thierry Reding , Laurent Pinchart Subject: [PATCH v1 10/26] drm/panel: ilitek-ili9881c: use drm_panel backlight support Date: Mon, 2 Dec 2019 20:32:14 +0100 Message-Id: <20191202193230.21310-11-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_113326_195737_EDD6DF41 X-CRM114-Status: GOOD ( 13.07 ) 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 [2a00:1450:4864:20:0:0:0:242 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-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 , 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-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 Cc: Thierry Reding Cc: Sam Ravnborg --- drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 19 +++---------------- 1 file changed, 3 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c index 31e5a4e67750..f54077c216a3 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c @@ -3,7 +3,6 @@ * Copyright (C) 2017-2018, Bootlin */ -#include #include #include #include @@ -25,7 +24,6 @@ struct ili9881c { struct drm_panel panel; struct mipi_dsi_device *dsi; - struct backlight_device *backlight; struct regulator *power; struct gpio_desc *reset; }; @@ -348,7 +346,6 @@ static int ili9881c_enable(struct drm_panel *panel) msleep(120); mipi_dsi_dcs_set_display_on(ctx->dsi); - backlight_enable(ctx->backlight); return 0; } @@ -357,7 +354,6 @@ static int ili9881c_disable(struct drm_panel *panel) { struct ili9881c *ctx = panel_to_ili9881c(panel); - backlight_disable(ctx->backlight); return mipi_dsi_dcs_set_display_off(ctx->dsi); } @@ -423,7 +419,6 @@ static const struct drm_panel_funcs ili9881c_funcs = { static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi) { - struct device_node *np; struct ili9881c *ctx; int ret; @@ -448,14 +443,9 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi) return PTR_ERR(ctx->reset); } - np = of_parse_phandle(dsi->dev.of_node, "backlight", 0); - if (np) { - ctx->backlight = of_find_backlight_by_node(np); - of_node_put(np); - - if (!ctx->backlight) - return -EPROBE_DEFER; - } + ret = drm_panel_of_backlight(&ctx->panel); + if (ret) + return ret; ret = drm_panel_add(&ctx->panel); if (ret < 0) @@ -475,9 +465,6 @@ static int ili9881c_dsi_remove(struct mipi_dsi_device *dsi) mipi_dsi_detach(dsi); drm_panel_remove(&ctx->panel); - if (ctx->backlight) - put_device(&ctx->backlight->dev); - return 0; }