From patchwork Tue Dec 23 10:02:08 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Ying X-Patchwork-Id: 5532051 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 71761BEEA8 for ; Tue, 23 Dec 2014 10:07:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 86098201B9 for ; Tue, 23 Dec 2014 10:07:28 +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 8735C2018E for ; Tue, 23 Dec 2014 10:07:27 +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 1Y3MKO-0006a5-V9; Tue, 23 Dec 2014 10:04:32 +0000 Received: from mail-bn1bon0115.outbound.protection.outlook.com ([157.56.111.115] helo=na01-bn1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Y3MFJ-0001sV-Ax for linux-arm-kernel@lists.infradead.org; Tue, 23 Dec 2014 09:59:18 +0000 Received: from BN3PR0301CA0027.namprd03.prod.outlook.com (25.160.180.165) by CY1PR0301MB0633.namprd03.prod.outlook.com (25.160.158.139) with Microsoft SMTP Server (TLS) id 15.1.49.12; Tue, 23 Dec 2014 09:58:54 +0000 Received: from BN1BFFO11FD010.protection.gbl (2a01:111:f400:7c10::1:175) by BN3PR0301CA0027.outlook.office365.com (2a01:111:e400:4000::37) with Microsoft SMTP Server (TLS) id 15.1.49.12 via Frontend Transport; Tue, 23 Dec 2014 09:58:53 +0000 Received: from tx30smr01.am.freescale.net (192.88.168.50) by BN1BFFO11FD010.mail.protection.outlook.com (10.58.144.73) with Microsoft SMTP Server (TLS) id 15.1.49.13 via Frontend Transport; Tue, 23 Dec 2014 09:58:53 +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 sBN9w2Fd000700; Tue, 23 Dec 2014 02:58:48 -0700 From: Liu Ying To: Subject: [PATCH RFC v4 10/21] drm/dsi: Add a helper to get bits per pixel of MIPI DSI pixel format Date: Tue, 23 Dec 2014 18:02:08 +0800 Message-ID: <1419328939-22758-11-git-send-email-Ying.Liu@freescale.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1419328939-22758-1-git-send-email-Ying.Liu@freescale.com> References: <1419328939-22758-1-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)(339900001)(199003)(189002)(229853001)(110136001)(2950100001)(2351001)(87936001)(575784001)(86362001)(92566001)(104016003)(105606002)(36756003)(107046002)(68736005)(106466001)(77096005)(97736003)(89996001)(19580405001)(19580395003)(120916001)(85426001)(6806004)(50986999)(76176999)(77156002)(62966003)(31966008)(4396001)(50226001)(50466002)(48376002)(84676001)(64706001)(21056001)(99396003)(46102003)(47776003)(20776003)(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: 04347F8039 X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:; SRVR:CY1PR0301MB0633; X-OriginatorOrg: freescale.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Dec 2014 09:58:53.1785 (UTC) X-MS-Exchange-CrossTenant-Id: 710a03f5-10f6-4d38-9ff4-a80b81da590d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=710a03f5-10f6-4d38-9ff4-a80b81da590d; Ip=[192.88.168.50] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY1PR0301MB0633 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141223_015917_645008_29BD176A X-CRM114-Status: UNSURE ( 7.33 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.3 (/) Cc: stefan.wahren@i2se.com, 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, andyshrk@gmail.com 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 --- v3->v4: * None. v2->v3: * None. 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);