From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7F321C432C3 for ; Mon, 2 Dec 2019 19:43:50 +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 3FE9720661 for ; Mon, 2 Dec 2019 19:43:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="kZlOQ52P"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="X6seJeav" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3FE9720661 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+infradead-linux-arm-kernel=archiver.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=VLfI7hQR5vn4Y++/RUXDAdc1SN/Gx9DS3KeXiXoGjgc=; b=kZlOQ52Pb6tdZg ig77KcGx+Ph5RikTwG6PqxXUNaMgCFGD2Vw2j99AVNRaVGIzsFEpD8TeSNocRSg29t7xptnJc+PFF qdaOK/T8hfSzkFVSRoL+jCV+4pvJj3In6IjzzNNCcsz2rlWQEo1p5OYivuzxB2owVEd5m++8j74J0 liPrRf10BEKbYZPtoLaf6LArV68PJtL3sUWUcZlkOcnQFhkqAPauxD5RTRXeqVAJBYdtE4m+bTo19 P3F86oQfKe8PSPAeDMk198VecRVW0hs2jj/C9kfqKrrXW1nXxqAJOWgSnN/Xz+7Q+6mGKgS/4FnWy rocKPisYooEwYzZ1CTzA==; 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 1ibrbp-00030j-RU; Mon, 02 Dec 2019 19:43:49 +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 1ibrSB-0007xO-2G; Mon, 02 Dec 2019 19:33:57 +0000 Received: by mail-lj1-x242.google.com with SMTP id 21so877714ljr.0; Mon, 02 Dec 2019 11:33:50 -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=hAKrkmNcCozl3LAaqRfeNwt0Xqu/w+s6/exQHnAaPSg=; b=X6seJeavAuZ4rDdxOy9hEnXoLG0oobxXRy+xY8wWgitF4tTB87MsPXIcIuEVV0uvti W0R5e8qXxki30sA5dYdKwlmPgklxVKxb9+aHG3PRzFh67me+5fs4qU+wAFieX4NtPJRF 2rGj0gksOxyaY6AI60t4e0xlhYM6OlmvJoiWNC3RYbIUiNJFWLIl8b6KjN07Tv5Xu2Xa DRWiNyEud2lLwiSrC+fJQ4G1SvpUCCuVsxuERVCrTeQsJsBzRFAmyhlurYrx1WrWpRH7 9wuWiasSHXHEw7O6gYBiF5ZPb+ywMbAa1wk7mSydtG0bzvyJPFr+gutNvONhGKFwSg0Q /Ubw== 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=hAKrkmNcCozl3LAaqRfeNwt0Xqu/w+s6/exQHnAaPSg=; b=tLzUzl/HiliMBIXPMov1F9VWFYIGj4uL3oN/GvEADu6kcnbR3cKOhtM7QdjMWabM2Z mlJn4g3c/X+Tn8aVLr7j9kA/LPmtReZihsitL7i9eA4vnWfreMDVzKFHAaD0KWTnt9vb fiLQhuBEXh9xoZnE6XnbFZVn4WRV8VSyhsYXmyTfAz0AdS7UWDJiZJeKuzLUZVzbBOB7 4qnmE0rk3D0DTvKgB9vl9HRcwupAXKCpCkkFHPHCkVomHHQQqzUQNImw5Qu7jTD7Ja31 BK/nY90ul48ilhE2ZqiP1DM/NDurGQYZnS5sKSbI80QWglWRahNhDstUo0gg0t3vapU8 LApA== X-Gm-Message-State: APjAAAWOQVGUJ5zQc9gI8XEZHVWJEeSg4XTYnu52SyuQ/2Lk+nSkPhBd xNvC/+NkbqgXVPmixbkmC6w= X-Google-Smtp-Source: APXvYqwkSwEanVTfqqupRACq5bTVVsNocJ7zo+uG5n6CAnsmd9lWBvGtWMlkSAMwbQN9o+Rbbx6T4A== X-Received: by 2002:a2e:970e:: with SMTP id r14mr254679lji.57.1575315229302; Mon, 02 Dec 2019 11:33:49 -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.74.2019.12.02.11.33.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Dec 2019 11:33:48 -0800 (PST) From: Sam Ravnborg To: dri-devel@lists.freedesktop.org, Thierry Reding , Laurent Pinchart Subject: [PATCH v1 24/26] drm/panel: sitronix-st7789v: use drm_panel backlight support Date: Mon, 2 Dec 2019 20:32:28 +0100 Message-Id: <20191202193230.21310-25-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_113351_183370_D9286FC8 X-CRM114-Status: GOOD ( 12.65 ) 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.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 --- .../gpu/drm/panel/panel-sitronix-st7789v.c | 37 ++----------------- 1 file changed, 4 insertions(+), 33 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c index ebefe2f4c26b..cc02c54c1b2e 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c @@ -3,7 +3,6 @@ * Copyright (C) 2017 Free Electrons */ -#include #include #include #include @@ -116,7 +115,6 @@ struct st7789v { struct drm_panel panel; struct spi_device *spi; struct gpio_desc *reset; - struct backlight_device *backlight; struct regulator *power; }; @@ -323,12 +321,6 @@ static int st7789v_enable(struct drm_panel *panel) { struct st7789v *ctx = panel_to_st7789v(panel); - if (ctx->backlight) { - ctx->backlight->props.state &= ~BL_CORE_FBBLANK; - ctx->backlight->props.power = FB_BLANK_UNBLANK; - backlight_update_status(ctx->backlight); - } - return st7789v_write_command(ctx, MIPI_DCS_SET_DISPLAY_ON); } @@ -339,12 +331,6 @@ static int st7789v_disable(struct drm_panel *panel) ST7789V_TEST(ret, st7789v_write_command(ctx, MIPI_DCS_SET_DISPLAY_OFF)); - if (ctx->backlight) { - ctx->backlight->props.power = FB_BLANK_POWERDOWN; - ctx->backlight->props.state |= BL_CORE_FBBLANK; - backlight_update_status(ctx->backlight); - } - return 0; } @@ -370,7 +356,6 @@ static const struct drm_panel_funcs st7789v_drm_funcs = { static int st7789v_probe(struct spi_device *spi) { - struct device_node *backlight; struct st7789v *ctx; int ret; @@ -394,26 +379,15 @@ static int st7789v_probe(struct spi_device *spi) return PTR_ERR(ctx->reset); } - backlight = of_parse_phandle(spi->dev.of_node, "backlight", 0); - if (backlight) { - ctx->backlight = of_find_backlight_by_node(backlight); - of_node_put(backlight); - - 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) - goto err_free_backlight; + return ret; return 0; - -err_free_backlight: - if (ctx->backlight) - put_device(&ctx->backlight->dev); - - return ret; } static int st7789v_remove(struct spi_device *spi) @@ -422,9 +396,6 @@ static int st7789v_remove(struct spi_device *spi) drm_panel_remove(&ctx->panel); - if (ctx->backlight) - put_device(&ctx->backlight->dev); - return 0; } -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel