From patchwork Sat Dec 7 14:03:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Ravnborg X-Patchwork-Id: 1205459 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=ravnborg.org Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="ZfHiRiue"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47VWRN0DZKz9sPL for ; Sun, 8 Dec 2019 01:04:32 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726501AbfLGOEb (ORCPT ); Sat, 7 Dec 2019 09:04:31 -0500 Received: from mail-lj1-f193.google.com ([209.85.208.193]:36177 "EHLO mail-lj1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726397AbfLGOEb (ORCPT ); Sat, 7 Dec 2019 09:04:31 -0500 Received: by mail-lj1-f193.google.com with SMTP id r19so10734004ljg.3; Sat, 07 Dec 2019 06:04:28 -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=PEkkKHiq+AcHePdv87qZ46O+yNk0TpaePUBzT0oWsAc=; b=ZfHiRiueSHRoMm/wWPg2IEAFbC+nin4k5/h6+jqp6YAW6dtNdKpHxhLUqyQBrdiW5X IS69T1/XMFvXqXGcc956VzDbI9EAU0LALkPtX5E1ULJfoYNnPXw878/lGy/5UDWRyoZn lOJzZCmr3W4w+L4mhA22VZAR5ei76vWyygf4hVaS3BMOuchXlSmvt1qbmiOnS6ogFTSO AFppLqocMVslabJ7DToSGuHPtYw6gN3Q4temBKQ8tfmnNP9Mpz7mwHqyqb78C40OcI3S W84v8/HgfHEL4T9hbGi/iSwgNqm/ytbENpyqiJ1UF+/MPBXwVyJpguDgnGdveWD5YDi/ QtIA== 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=PEkkKHiq+AcHePdv87qZ46O+yNk0TpaePUBzT0oWsAc=; b=pxAVgcnvX99aksBXP559DDFXnApmvGHUnpAEkDXiiP6TOa9Qk+e0GyYaYXsH6mkeaw n7TIcrCcWeTmN8/Fq/5EaFXRj3uuaSQVIev7b0iiu2qQVh0RAaV7cFXajE3+CZjKktZ0 NGwIbmBdAoNZ+QPjzrU3xqCwjIArRo7un4vYZojlp/jcbTey3Zyaz+d/KHHrbpOxFmA1 F1HMFUHUUQsuSiBaTa5vdNE77JpR4mZ1ILzY8w1arr1Dn8488BpTkC+TXo+NimsvlI+6 kRg2FOy3OYu/W1TTtbw77CuOwMytpeDTz6MIMuGpk13AF6CxsENNfGP2HaCb7ffWfk3T d60w== X-Gm-Message-State: APjAAAVi3vZRNQE0Z+yTGyKN48rzwA5auEfc0Mk3vdCURYz3cFLEFu1P HQxbX6HVdnReMiqRmd9YO6c= X-Google-Smtp-Source: APXvYqyvSwIE32v2Kp9t6aC1p3mZ5oj9u6z9msGZC5D9TpRLAqQ5hY1QRbeh6HQns7Z439S/CNir0g== X-Received: by 2002:a2e:978d:: with SMTP id y13mr11771522lji.103.1575727468217; Sat, 07 Dec 2019 06:04:28 -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.22.2019.12.07.06.04.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Dec 2019 06:04:27 -0800 (PST) From: Sam Ravnborg To: dri-devel@lists.freedesktop.org, Thierry Reding , Laurent Pinchart , Linus Walleij , Sam Ravnborg Cc: Abhinav Kumar , Andrzej Hajda , Benjamin Gaignard , Boris Brezillon , Daniel Vetter , David Airlie , Jagan Teki , Jitao Shi , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org, Maarten Lankhorst , Maxime Ripard , Neil Armstrong , NXP Linux Team , Pengutronix Kernel Team , Purism Kernel Team , Sean Paul , Stefan Agner , Tomi Valkeinen Subject: [PATCH v2 10/25] drm/panel: innolux-p079zca: use drm_panel backlight support Date: Sat, 7 Dec 2019 15:03:38 +0100 Message-Id: <20191207140353.23967-11-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 Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.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-innolux-p079zca.c | 28 ++++++------------- 1 file changed, 8 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/drivers/gpu/drm/panel/panel-innolux-p079zca.c index b9de37a8a0c5..7419f1f0acee 100644 --- a/drivers/gpu/drm/panel/panel-innolux-p079zca.c +++ b/drivers/gpu/drm/panel/panel-innolux-p079zca.c @@ -3,7 +3,6 @@ * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd */ -#include #include #include #include @@ -52,7 +51,6 @@ struct innolux_panel { struct mipi_dsi_device *link; const struct panel_desc *desc; - struct backlight_device *backlight; struct regulator_bulk_data *supplies; struct gpio_desc *enable_gpio; @@ -72,8 +70,6 @@ static int innolux_panel_disable(struct drm_panel *panel) if (!innolux->enabled) return 0; - backlight_disable(innolux->backlight); - innolux->enabled = false; return 0; @@ -204,18 +200,10 @@ static int innolux_panel_prepare(struct drm_panel *panel) static int innolux_panel_enable(struct drm_panel *panel) { struct innolux_panel *innolux = to_innolux_panel(panel); - int ret; if (innolux->enabled) return 0; - ret = backlight_enable(innolux->backlight); - if (ret) { - DRM_DEV_ERROR(panel->dev, - "Failed to enable backlight %d\n", ret); - return ret; - } - innolux->enabled = true; return 0; @@ -482,13 +470,13 @@ static int innolux_panel_add(struct mipi_dsi_device *dsi, innolux->enable_gpio = NULL; } - innolux->backlight = devm_of_find_backlight(dev); - if (IS_ERR(innolux->backlight)) - return PTR_ERR(innolux->backlight); - drm_panel_init(&innolux->base, dev, &innolux_panel_funcs, DRM_MODE_CONNECTOR_DSI); + err = drm_panel_of_backlight(&innolux->base); + if (err) + return err; + err = drm_panel_add(&innolux->base); if (err < 0) return err; @@ -526,12 +514,12 @@ static int innolux_panel_remove(struct mipi_dsi_device *dsi) struct innolux_panel *innolux = mipi_dsi_get_drvdata(dsi); int err; - err = innolux_panel_unprepare(&innolux->base); + err = drm_panel_unprepare(&innolux->base); if (err < 0) DRM_DEV_ERROR(&dsi->dev, "failed to unprepare panel: %d\n", err); - err = innolux_panel_disable(&innolux->base); + err = drm_panel_disable(&innolux->base); if (err < 0) DRM_DEV_ERROR(&dsi->dev, "failed to disable panel: %d\n", err); @@ -549,8 +537,8 @@ static void innolux_panel_shutdown(struct mipi_dsi_device *dsi) { struct innolux_panel *innolux = mipi_dsi_get_drvdata(dsi); - innolux_panel_unprepare(&innolux->base); - innolux_panel_disable(&innolux->base); + drm_panel_unprepare(&innolux->base); + drm_panel_disable(&innolux->base); } static struct mipi_dsi_driver innolux_panel_driver = {