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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 9F7E2C433E0 for ; Fri, 26 Mar 2021 14:52:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 777C5619C9 for ; Fri, 26 Mar 2021 14:52:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230159AbhCZOvc (ORCPT ); Fri, 26 Mar 2021 10:51:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230051AbhCZOv0 (ORCPT ); Fri, 26 Mar 2021 10:51:26 -0400 Received: from mail-wm1-x32b.google.com (mail-wm1-x32b.google.com [IPv6:2a00:1450:4864:20::32b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 31120C0613AA for ; Fri, 26 Mar 2021 07:51:26 -0700 (PDT) Received: by mail-wm1-x32b.google.com with SMTP id 12so3122569wmf.5 for ; Fri, 26 Mar 2021 07:51:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=1jY8mwnQnAeWLndXGjoVPFOh3LwZ9LMn1afxTK8ioYU=; b=cYq7anr9I5TabG+pA/dIDgs1ukMI/RJ5lyFqfgAVps2FCdtEjfXm1GStbQpi2qXjZS ySsNNfwQApaE20yjFGrODOhPG5agByHc+eadWqk55iEZNZ5wh6XJ7JXXLuI6xEMzortj pcL/O+JETN9SYJgQEbFVXB4K/C2RD0THr8R6PrhRdvLC8X9nZochrfTc3mCZxoXbc4hh mr9ABiBh66SO58+xocwUbq00OB1hPqf5fS6FOYwRjFWdC+TkZRNIDdb5sC9+Buv7byF7 al3ZanAVPb/V6B6jdB+U7FyyNrQqFuJwnc2xTQSwtoIJviE8Y1JeB2u7wIqVunNRVfzk QyqQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=1jY8mwnQnAeWLndXGjoVPFOh3LwZ9LMn1afxTK8ioYU=; b=i4h7usGy7Dedg0eexDh8LTR+zcC4kl/uj5/HcYfZn06Ga5E4i7E8MMJoH/kNlkTa7A NZGd1IuTIwKJtsOKBZq1uI6Vw5BdcY2u3xLSCMb8TEdJd77sqAy0Ye037dHp5uS2zmGP TpmTLVMc8pFYXLDbxwiCdpHIpcrhe9dRG4YqwkXH0hQPh4ZIODV0yHJqK5h4xRHJNBXr 8iipYUdTimna1tUM3w2Ur8Ez8t2kOEOuHMORf/D6IBd1qQEXKTIynB9w25Ct60fyUcaF 0RlgHe0sS8QFbClTBGXeAvxgG8Mk7S0oMGhBUqQ++WRYMK8gXnlMI1C3+Qt4h6r31UJX j0IQ== X-Gm-Message-State: AOAM5333c/00E5Q5erof9Wn8RUfC9en5P4RU2S58MKg5jfRWY1fJr76z 3xMBAXNDACoXjdT4ZMKlHiU= X-Google-Smtp-Source: ABdhPJwLGnx999mXR/dfcnAYVGLYaE5B2HwvvEGVFtaZgHK51cReNLWGwGqZh/E9awvbrmVp/RyPdQ== X-Received: by 2002:a05:600c:290b:: with SMTP id i11mr13888176wmd.129.1616770284982; Fri, 26 Mar 2021 07:51:24 -0700 (PDT) Received: from localhost ([62.96.65.119]) by smtp.gmail.com with ESMTPSA id m11sm13001228wrz.40.2021.03.26.07.51.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Mar 2021 07:51:24 -0700 (PDT) From: Thierry Reding To: Thierry Reding Cc: David Airlie , Daniel Vetter , Maarten Lankhorst , Thomas Zimmermann , Maxime Ripard , James Jones , Dmitry Osipenko , Simon Ser , dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org Subject: [PATCH v2 01/10] drm/fourcc: Add macros to determine the modifier vendor Date: Fri, 26 Mar 2021 15:51:30 +0100 Message-Id: <20210326145139.467072-2-thierry.reding@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210326145139.467072-1-thierry.reding@gmail.com> References: <20210326145139.467072-1-thierry.reding@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org From: Thierry Reding When working with framebuffer modifiers, it can be useful to extract the vendor identifier or check a modifier against a given vendor identifier. Add one macro that extracts the vendor identifier and a helper to check a modifier against a given vendor identifier. v2: add macro to extract vendor ID from modifier (Simon) Signed-off-by: Thierry Reding --- include/uapi/drm/drm_fourcc.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index f76de49c768f..64f01bc2624c 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -366,6 +366,12 @@ extern "C" { #define DRM_FORMAT_RESERVED ((1ULL << 56) - 1) +#define fourcc_mod_get_vendor(modifier) \ + (((modifier) >> 56) & 0xff) + +#define fourcc_mod_is_vendor(modifier, vendor) \ + (fourcc_mod_get_vendor(modifier) == DRM_FORMAT_MOD_VENDOR_## vendor) + #define fourcc_mod_code(vendor, val) \ ((((__u64)DRM_FORMAT_MOD_VENDOR_## vendor) << 56) | ((val) & 0x00ffffffffffffffULL)) -- 2.30.2