From patchwork Mon Dec 2 19:32:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Ravnborg X-Patchwork-Id: 1203280 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="UXVhIwS9"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47RZzS3WB9z9sPJ for ; Tue, 3 Dec 2019 06:33:40 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728147AbfLBTdj (ORCPT ); Mon, 2 Dec 2019 14:33:39 -0500 Received: from mail-lj1-f194.google.com ([209.85.208.194]:35603 "EHLO mail-lj1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728002AbfLBTdj (ORCPT ); Mon, 2 Dec 2019 14:33:39 -0500 Received: by mail-lj1-f194.google.com with SMTP id j6so860852lja.2; Mon, 02 Dec 2019 11:33:37 -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=YHyg1Dv+yW1P3woHHern0IWhA1ZSh1oVCkpM4/quUn4=; b=UXVhIwS9hxqLyUKpFsi/9B+m1W8tz6O8LM+RB3HfE3wlqNoBarTzpBZk+cRfYXcKbn lA8UgPBM4FenshUYYPFPqreNDBD0AdQLGp+x3aW+O9T9/S+2zSZDnb0GB1Y0loieXdeD x4GtLZtb2OTb7W9PgYDmkjvrt2X/t6hZEa2L5ksHtQTbwiEOw1Lk1rgsxYN+OLJdJypE SyLoO7QNk3W0D2lNr5wmo+W5RLt+tCMvGf1qO/QjC6NNh8geO0+GKYkbHCQLQ5BOzjqz s/tm2pU99xfXKIdoDFCpO4LL9AXdqOSsLBqTrS/FhG5fmQTOIcEBokwV07Xlex9BHEN3 Urnw== 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=YHyg1Dv+yW1P3woHHern0IWhA1ZSh1oVCkpM4/quUn4=; b=Q9g8/d0HLEf5XMvPiG0WJxsEWPHNhci5p+l9aKWPMtfzkS4D+AS9avQ/ctPzRar2/e UNGEK98RnJOEpadCIbepfk5c4sXV4XNKDleySmMcqH9gSgRAdUyT6xulPCu8DQQLAPOb 9G/T1lmJ1gissqjtf7O/QfdaDFFsJgIqZ0iupjIXBpaCqjfhy8BnHvKITB0xlp13/yDD 6/jfpsSMF/4lqUsmN7fI87+dYr/UdriX6fhhcHkY01hDbzI/gPfyBXD6HpxBPh3JWMqJ Euivwyx4nvPmjP5yrN2QVmz7N3Xe6mmMNNjC0QmgcztLStNwmcLSOt49hotBLZyxO9Sf B7Gw== X-Gm-Message-State: APjAAAVrBYAfniThBCpdWw53Ua1V+RJTswQesLE91kpTVoC00u+gncYj 7DDrogda5AiRwqDcxb9P4V8= X-Google-Smtp-Source: APXvYqz3r+laN9FnmWTYFLLBUS6ZnkiUvsIMFFNjcED2AJXxTlqVCVCVhK5M16rTTToSSV/kHLG6ng== X-Received: by 2002:a2e:b007:: with SMTP id y7mr253216ljk.215.1575315216701; Mon, 02 Dec 2019 11:33:36 -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.74.2019.12.02.11.33.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Dec 2019 11:33:36 -0800 (PST) From: Sam Ravnborg To: dri-devel@lists.freedesktop.org, Thierry Reding , Laurent Pinchart Cc: Abhinav Kumar , Andrzej Hajda , Benjamin Gaignard , Boris Brezillon , Daniel Vetter , David Airlie , Jagan Teki , Jitao Shi , Linus Walleij , 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 , Sam Ravnborg Subject: [PATCH v1 17/26] drm/panel: raydium-rm68200: use drm_panel backlight support Date: Mon, 2 Dec 2019 20:32:21 +0100 Message-Id: <20191202193230.21310-18-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 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 Cc: Thierry Reding Cc: Sam Ravnborg --- drivers/gpu/drm/panel/panel-raydium-rm68200.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-raydium-rm68200.c b/drivers/gpu/drm/panel/panel-raydium-rm68200.c index d6a03328e594..e8982948e0ea 100644 --- a/drivers/gpu/drm/panel/panel-raydium-rm68200.c +++ b/drivers/gpu/drm/panel/panel-raydium-rm68200.c @@ -6,9 +6,9 @@ * Yannick Fertre */ -#include #include #include +#include #include #include @@ -78,7 +78,6 @@ struct rm68200 { struct drm_panel panel; struct gpio_desc *reset_gpio; struct regulator *supply; - struct backlight_device *backlight; bool prepared; bool enabled; }; @@ -242,8 +241,6 @@ static int rm68200_disable(struct drm_panel *panel) if (!ctx->enabled) return 0; - backlight_disable(ctx->backlight); - ctx->enabled = false; return 0; @@ -328,8 +325,6 @@ static int rm68200_enable(struct drm_panel *panel) if (ctx->enabled) return 0; - backlight_enable(ctx->backlight); - ctx->enabled = true; return 0; @@ -392,10 +387,6 @@ static int rm68200_probe(struct mipi_dsi_device *dsi) return ret; } - ctx->backlight = devm_of_find_backlight(dev); - if (IS_ERR(ctx->backlight)) - return PTR_ERR(ctx->backlight); - mipi_dsi_set_drvdata(dsi, ctx); ctx->dev = dev; @@ -408,6 +399,10 @@ static int rm68200_probe(struct mipi_dsi_device *dsi) drm_panel_init(&ctx->panel, dev, &rm68200_drm_funcs, DRM_MODE_CONNECTOR_DSI); + ret = drm_panel_of_backlight(&ctx->panel); + if (ret) + return ret; + drm_panel_add(&ctx->panel); ret = mipi_dsi_attach(dsi);