From patchwork Thu Dec 18 07:11:29 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Ying X-Patchwork-Id: 5511301 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 49E469F30B for ; Thu, 18 Dec 2014 07:17:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7A99B209DD for ; Thu, 18 Dec 2014 07:17:28 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E173F209D2 for ; Thu, 18 Dec 2014 07:17:26 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Y1VIV-00049E-C6; Thu, 18 Dec 2014 07:14:55 +0000 Received: from mail-bn1on0113.outbound.protection.outlook.com ([157.56.110.113] helo=na01-bn1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Y1VCD-0006XE-NL for linux-arm-kernel@lists.infradead.org; Thu, 18 Dec 2014 07:08:26 +0000 Received: from CH1PR03CA007.namprd03.prod.outlook.com (10.255.156.152) by CY1PR0301MB0633.namprd03.prod.outlook.com (25.160.158.139) with Microsoft SMTP Server (TLS) id 15.1.31.17; Thu, 18 Dec 2014 07:08:05 +0000 Received: from BN1AFFO11FD056.protection.gbl (10.255.156.132) by CH1PR03CA007.outlook.office365.com (10.255.156.152) with Microsoft SMTP Server (TLS) id 15.1.36.23 via Frontend Transport; Thu, 18 Dec 2014 07:08:04 +0000 Received: from tx30smr01.am.freescale.net (192.88.168.50) by BN1AFFO11FD056.mail.protection.outlook.com (10.58.53.71) with Microsoft SMTP Server (TLS) id 15.1.26.17 via Frontend Transport; Thu, 18 Dec 2014 07:08:04 +0000 Received: from victor.ap.freescale.net (victor.ap.freescale.net [10.192.241.62]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id sBI77UZ8005427; Thu, 18 Dec 2014 00:08:00 -0700 From: Liu Ying To: Subject: [PATCH RFC v2 07/14] drm/dsi: Add a helper to get bits per pixel of MIPI DSI pixel format Date: Thu, 18 Dec 2014 15:11:29 +0800 Message-ID: <1418886696-11636-8-git-send-email-Ying.Liu@freescale.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1418886696-11636-1-git-send-email-Ying.Liu@freescale.com> References: <1418886696-11636-1-git-send-email-Ying.Liu@freescale.com> X-EOPAttributedMessage: 0 Received-SPF: Fail (protection.outlook.com: domain of freescale.com does not designate 192.88.168.50 as permitted sender) receiver=protection.outlook.com; client-ip=192.88.168.50; helo=tx30smr01.am.freescale.net; Authentication-Results: spf=fail (sender IP is 192.88.168.50) smtp.mailfrom=Ying.Liu@freescale.com; X-Forefront-Antispam-Report: CIP:192.88.168.50; CTRY:US; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10019020)(6009001)(199003)(189002)(31966008)(97736003)(110136001)(105606002)(89996001)(104016003)(62966003)(86362001)(64706001)(99396003)(47776003)(2950100001)(20776003)(48376002)(50466002)(68736005)(120916001)(21056001)(77156002)(50986999)(77096005)(87936001)(19580395003)(107046002)(50226001)(2351001)(46102003)(4396001)(92566001)(84676001)(106466001)(76176999)(19580405001)(36756003)(85426001)(6806004)(575784001)(229853001)(217873001); DIR:OUT; SFP:1102; SCL:1; SRVR:CY1PR0301MB0633; H:tx30smr01.am.freescale.net; FPR:; SPF:Fail; MLV:sfv; PTR:InfoDomainNonexistent; A:1; MX:1; LANG:en; MIME-Version: 1.0 X-Microsoft-Antispam: UriScan:; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;SRVR:CY1PR0301MB0633; X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(601004); SRVR:CY1PR0301MB0633; X-Forefront-PRVS: 042957ACD7 X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:; SRVR:CY1PR0301MB0633; X-OriginatorOrg: freescale.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141217_230825_930787_52EC6121 X-CRM114-Status: UNSURE ( 7.61 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) Cc: devicetree@vger.kernel.org, linux@arm.linux.org.uk, kernel@pengutronix.de, airlied@linux.ie, linux-kernel@vger.kernel.org, thierry.reding@gmail.com, p.zabel@pengutronix.de, mturquette@linaro.org, shawn.guo@linaro.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Liu Ying --- v1->v2: * Thierry Reding suggested that the mipi_dsi_pixel_format_to_bpp() function could be placed at the common DRM MIPI DSI driver. This patch is newly added. include/drm/drm_mipi_dsi.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index f1d8d0d..0f5210c 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -163,6 +163,20 @@ static inline struct mipi_dsi_device *to_mipi_dsi_device(struct device *dev) return container_of(dev, struct mipi_dsi_device, dev); } +static inline int mipi_dsi_pixel_format_to_bpp(enum mipi_dsi_pixel_format format) +{ + switch (format) { + case MIPI_DSI_FMT_RGB888: + case MIPI_DSI_FMT_RGB666: + return 24; + case MIPI_DSI_FMT_RGB666_PACKED: + return 18; + case MIPI_DSI_FMT_RGB565: + return 16; + } + return -EINVAL; +} + struct mipi_dsi_device *of_find_mipi_dsi_device_by_node(struct device_node *np); int mipi_dsi_attach(struct mipi_dsi_device *dsi); int mipi_dsi_detach(struct mipi_dsi_device *dsi);