From patchwork Fri Nov 23 09:24:40 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 10695289 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 92E4C1709 for ; Fri, 23 Nov 2018 09:27:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 81E532C3D8 for ; Fri, 23 Nov 2018 09:27:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 75C632C419; Fri, 23 Nov 2018 09:27:03 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 58ABC2C3D8 for ; Fri, 23 Nov 2018 09:27:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 472C16E5F9; Fri, 23 Nov 2018 09:26:57 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.bootlin.com (mail.bootlin.com [62.4.15.54]) by gabe.freedesktop.org (Postfix) with ESMTP id E02736E5F2 for ; Fri, 23 Nov 2018 09:26:48 +0000 (UTC) Received: by mail.bootlin.com (Postfix, from userid 110) id 12B1B20DC1; Fri, 23 Nov 2018 10:26:48 +0100 (CET) Received: from localhost.localdomain (aaubervilliers-681-1-94-205.w90-88.abo.wanadoo.fr [90.88.35.205]) by mail.bootlin.com (Postfix) with ESMTPSA id 6E7BB20DC4; Fri, 23 Nov 2018 10:26:29 +0100 (CET) From: Paul Kocialkowski To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 08/43] drm/fourcc: Add helper to check if a format uses a YUV colorspace Date: Fri, 23 Nov 2018 10:24:40 +0100 Message-Id: <20181123092515.2511-9-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181123092515.2511-1-paul.kocialkowski@bootlin.com> References: <20181123092515.2511-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Maxime Ripard , linux-sunxi@googlegroups.com, Paul Kocialkowski , David Airlie , Chen-Yu Tsai , Thomas Petazzoni , Sean Paul Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP This adds a new helper to check whether the format described by its fourcc code uses a YUV colorspace, by returning the is_yuv entry for the DRM info entry matching that format. Signed-off-by: Paul Kocialkowski Reviewed-by: Maxime Ripard --- drivers/gpu/drm/drm_fourcc.c | 19 +++++++++++++++++++ include/drm/drm_fourcc.h | 1 + 2 files changed, 20 insertions(+) diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c index f523948c82b1..f85650c3463a 100644 --- a/drivers/gpu/drm/drm_fourcc.c +++ b/drivers/gpu/drm/drm_fourcc.c @@ -413,6 +413,25 @@ int drm_format_plane_height(int height, uint32_t format, int plane) } EXPORT_SYMBOL(drm_format_plane_height); +/** + * drm_format_is_yuv - check that the format uses a YUV colorspace + * @format: pixel format + * + * Returns: + * A boolean indicating whether the format uses a YUV colorspace. + */ +bool drm_format_is_yuv(uint32_t format) +{ + const struct drm_format_info *info; + + info = drm_format_info(format); + if (!info) + return false; + + return info->is_yuv; +} +EXPORT_SYMBOL(drm_format_is_yuv); + /** * drm_format_info_block_width - width in pixels of block. * @info: pixel format info diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h index bcb389f04618..569b70483505 100644 --- a/include/drm/drm_fourcc.h +++ b/include/drm/drm_fourcc.h @@ -157,6 +157,7 @@ int drm_format_horz_chroma_subsampling(uint32_t format); int drm_format_vert_chroma_subsampling(uint32_t format); int drm_format_plane_width(int width, uint32_t format, int plane); int drm_format_plane_height(int height, uint32_t format, int plane); +bool drm_format_is_yuv(uint32_t format); unsigned int drm_format_info_block_width(const struct drm_format_info *info, int plane); unsigned int drm_format_info_block_height(const struct drm_format_info *info,