From patchwork Thu Sep 29 16:31:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 12994444 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id BDB11C433FE for ; Thu, 29 Sep 2022 16:51:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=wq9+4kmZDcEJQN/u6PpvQXBQ5YTEus8hHWw07w7mPI4=; b=Oi8XUCqBn9aMjD 87lRlYWf6+M6+V+CtxarOuvETcgImWewLrqDSaxWr9WuV8xrgqMbaSN7MnjwaDXvR38ahvsgFaKLZ lYQmvXXij+f0EExqPBOA2Q6yrOzQ0Yq8k7FpVxmy8oo91VqStRX15Dz+xLUXcj7v2/7Vbdkz1N2Kr Xa3+gJQZMxUlrDezmSIVdG4Cr+sEOnI7gcVKhvAXKUKonXrGM0ScT+I/65nwR//EgYCzk2wqHHuZU 5yezZxmwiBN+fvdkJXOsBtCRWCpI3prqQUKq0ec+dJ2jRRRtLYERdtrWB/BJNC5j4ZmXMI3ezOV/Q R+iR3Cajm716op/IpRzQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1odwjx-004KKk-Lr; Thu, 29 Sep 2022 16:50:27 +0000 Received: from new4-smtp.messagingengine.com ([66.111.4.230]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1odwS6-004C7d-Tj for linux-arm-kernel@lists.infradead.org; Thu, 29 Sep 2022 16:32:01 +0000 Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailnew.nyi.internal (Postfix) with ESMTP id 3B285580801; Thu, 29 Sep 2022 12:31:58 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute5.internal (MEProxy); Thu, 29 Sep 2022 12:31:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cerno.tech; h=cc :cc:content-transfer-encoding:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to; s=fm2; t=1664469118; x= 1664476318; bh=Bn+yLC+WwAngcBNckGbTNQ6x0wysJQILdOm8yz9juZI=; b=O ltSatKWEVsTksQy6v9qdc/8JoCNegSCm95ul0LAQ3deXBoKNOXW+z6ibyHrBsjJL c1iVK/d7JeLjvbeaXY2SFaaotpLF6AHVjLjbBtTmTpA8JPLgMseD4R9H6JgOMKez ioacR6NAzE8VL7N9ZNBPzuaA1Ejcs8NG8PnsuRBlYVZsYkZUyapi9VnMx4xY+9yU 9h1eYsykIA0T3Yz8G//ZHVgFYKRklJjrIVcztm2Y+HZ7LYl8/7I559KxMwS6KpvE f0DwOCqf2N9Nc3WZ671J90a3HoePBNT5zxvVABr8LEX/3BOZXXH4l2T7y+NB2D+t 0WzDac1Scot8D5g2656Iw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm2; t=1664469118; x= 1664476318; bh=Bn+yLC+WwAngcBNckGbTNQ6x0wysJQILdOm8yz9juZI=; b=T 2L0fRLeCLX7osK+nhQEW80JqSLfXCdQDWc837lUJWQTo8vr2PUoixDlvNInuz+a3 Ny1m7WugCHFQZUA4VjMd0Z26ADt1SorKMz7PGAzIcoQo7VVwDjsVX4V2sjRp6bAj sIfg9WZNi0as5Gki4eoJubllndMtLN5k2XjiXF69IroWL7FwkUWRKUYL3SLudjxx ABKOYU771RMmMkKdT2t44JuFv5QGdWeJuwB730RE4rumudb4rIVjz9drZFIaxCi+ 8muPSoAIJrDz8mBX2a4j2oyDG/KeJZ5CKRs24dNwn/WKzQbSc18RPu1N0JoDB/Ka BgKPMFASeymlZ6lO4U7Mg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedrfeehtddguddtvdcutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpefhfffugggtgffkfhgjvfevofesthekredtredtjeenucfhrhhomhepofgr gihimhgvucftihhprghrugcuoehmrgigihhmvgestggvrhhnohdrthgvtghhqeenucggtf frrghtthgvrhhnpeduudduhfevjeetfeegvdffvdevvdejudegudekjeehtdelhfffveet hfejledtveenucevlhhushhtvghrufhiiigvpeegnecurfgrrhgrmhepmhgrihhlfhhroh hmpehmrgigihhmvgestggvrhhnohdrthgvtghh X-ME-Proxy: Feedback-ID: i8771445c:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 29 Sep 2022 12:31:57 -0400 (EDT) From: Maxime Ripard Date: Thu, 29 Sep 2022 18:31:13 +0200 Subject: [PATCH v4 19/30] drm/connector: Add a function to lookup a TV mode by its name MIME-Version: 1.0 Message-Id: <20220728-rpi-analog-tv-properties-v4-19-60d38873f782@cerno.tech> References: <20220728-rpi-analog-tv-properties-v4-0-60d38873f782@cerno.tech> In-Reply-To: <20220728-rpi-analog-tv-properties-v4-0-60d38873f782@cerno.tech> To: Jernej Skrabec , Chen-Yu Tsai , Karol Herbst , Samuel Holland , Lyude Paul , Jani Nikula , Daniel Vetter , Thomas Zimmermann , Emma Anholt , Joonas Lahtinen , Ben Skeggs , David Airlie , Rodrigo Vivi , Tvrtko Ursulin , Maarten Lankhorst , Maxime Ripard Cc: =?unknown-8bit?q?linux-arm-kernel=40lists=2Einfradead=2Eorg=2C_Maxime_Ri?= =?unknown-8bit?q?pard_=3Cmaxime=40cerno=2Etech=3E=2C_dri-devel=40lists=2Efr?= =?unknown-8bit?q?eedesktop=2Eorg=2C?= =?unknown-8bit?q?_Geert_Uytterhoeven_=3Cgeert=40linux-m68k=2Eorg=3E=2C_intel?= =?unknown-8bit?q?-gfx=40lists=2Efreedesktop=2Eorg=2C_linux-sunxi=40lists=2E?= =?unknown-8bit?q?linux=2Edev=2C?= =?unknown-8bit?q?_Hans_de_Goede_=3Chdegoede=40redhat=2Ecom=3E=2C_nouveau=40l?= =?unknown-8bit?q?ists=2Efreedesktop=2Eorg=2C_Noralf_Tr=C3=B8nnes_=3Cnoralf?= =?unknown-8bit?q?=40tronnes=2Eorg=3E=2C?= =?unknown-8bit?q?_Mateusz_Kwiatkowski_=3Ckfyatek+publicgit=40gmail=2Ecom=3E?= =?unknown-8bit?q?=2C_Dave_Stevenson_=3Cdave=2Estevenson=40raspberrypi=2Ecom?= =?unknown-8bit?q?=3E=2C?= =?unknown-8bit?q?_linux-kernel=40vger=2Ekernel=2Eorg=2C_Dom_Cobley_=3Cdom=40?= =?unknown-8bit?q?raspberrypi=2Ecom=3E=2C_Phil_Elwell_=3Cphil=40raspberrypi?= =?unknown-8bit?q?=2Ecom=3E?= X-Mailer: b4 0.11.0-dev-7da52 X-Developer-Signature: v=1; a=openpgp-sha256; l=2399; i=maxime@cerno.tech; h=from:subject:message-id; bh=xwC5gv3HSLLd/JRgPYDbUCEfU3CZ/zUu6g2c/goWffs=; b=owGbwMvMwCX2+D1vfrpE4FHG02pJDMmmJ9wbNpfosp1qkXrpPfWhgmqg5Pa8CXODwxr+OdixfONU a+PsKGVhEONikBVTZIkRNl8Sd2rW6042vnkwc1iZQIYwcHEKwEQ+HmZk2DclX3Xqtk3RprG/70++1m RZt+q4d0N5Ncf7J2FWH3ovtjMyXH/aZXu+uphni3aA/7TWF87uEq++ztl2ubHVY17gi0/TmAA= X-Developer-Key: i=maxime@cerno.tech; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220929_093159_086129_015BF720 X-CRM114-Status: GOOD ( 13.93 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org As part of the command line parsing rework coming in the next patches, we'll need to lookup drm_connector_tv_mode values by their name, already defined in drm_tv_mode_enum_list. In order to avoid any code duplication, let's do a function that will perform a lookup of a TV mode name and return its value. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/drm_connector.c | 24 ++++++++++++++++++++++++ include/drm/drm_connector.h | 2 ++ 2 files changed, 26 insertions(+) diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 8edc347ef664..ead5b30c193c 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -991,6 +991,30 @@ static const struct drm_prop_enum_list drm_tv_mode_enum_list[] = { }; DRM_ENUM_NAME_FN(drm_get_tv_mode_name, drm_tv_mode_enum_list) +/** + * drm_get_tv_mode_from_name - Translates a TV mode name into its enum value + * @name: TV Mode name we want to convert + * @len: Length of @name + * + * Translates @name into an enum drm_connector_tv_mode. + * + * Returns: the enum value on success, a negative errno otherwise. + */ +int drm_get_tv_mode_from_name(const char *name, size_t len) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(drm_tv_mode_enum_list); i++) { + const struct drm_prop_enum_list *item = &drm_tv_mode_enum_list[i]; + + if (strlen(item->name) == len && !strncmp(item->name, name, len)) + return item->type; + } + + return -EINVAL; +} +EXPORT_SYMBOL(drm_get_tv_mode_from_name); + static const struct drm_prop_enum_list drm_tv_select_enum_list[] = { { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index a501db7d2222..a33f24a76738 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -1864,6 +1864,8 @@ const char *drm_get_dp_subconnector_name(int val); const char *drm_get_content_protection_name(int val); const char *drm_get_hdcp_content_type_name(int val); +int drm_get_tv_mode_from_name(const char *name, size_t len); + int drm_mode_create_dvi_i_properties(struct drm_device *dev); void drm_connector_attach_dp_subconnector_property(struct drm_connector *connector);