From patchwork Mon Dec 29 06:39:17 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Ying X-Patchwork-Id: 5548701 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 [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 807FDBF6C3 for ; Mon, 29 Dec 2014 06:44:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A5FE22011D for ; Mon, 29 Dec 2014 06:43:59 +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 C35852010F for ; Mon, 29 Dec 2014 06:43:58 +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 1Y5U0y-0002dk-Vy; Mon, 29 Dec 2014 06:41:16 +0000 Received: from mail-bn1bon0137.outbound.protection.outlook.com ([157.56.111.137] helo=na01-bn1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Y5TwX-0006qR-Ab for linux-arm-kernel@lists.infradead.org; Mon, 29 Dec 2014 06:36:42 +0000 Received: from BN3PR0301CA0040.namprd03.prod.outlook.com (25.160.180.178) by CY1PR0301MB0636.namprd03.prod.outlook.com (25.160.158.142) with Microsoft SMTP Server (TLS) id 15.1.49.12; Mon, 29 Dec 2014 06:36:18 +0000 Received: from BY2FFO11FD024.protection.gbl (2a01:111:f400:7c0c::155) by BN3PR0301CA0040.outlook.office365.com (2a01:111:e400:4000::50) with Microsoft SMTP Server (TLS) id 15.1.49.12 via Frontend Transport; Mon, 29 Dec 2014 06:36:17 +0000 Received: from tx30smr01.am.freescale.net (192.88.168.50) by BY2FFO11FD024.mail.protection.outlook.com (10.1.15.213) with Microsoft SMTP Server (TLS) id 15.1.49.13 via Frontend Transport; Mon, 29 Dec 2014 06:36:16 +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 sBT6ZDOZ003362; Sun, 28 Dec 2014 23:36:12 -0700 From: Liu Ying To: Subject: [PATCH RFC v6 10/21] drm/dsi: Add a helper to get bits per pixel of MIPI DSI pixel format Date: Mon, 29 Dec 2014 14:39:17 +0800 Message-ID: <1419835168-9034-11-git-send-email-Ying.Liu@freescale.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1419835168-9034-1-git-send-email-Ying.Liu@freescale.com> References: <1419835168-9034-1-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)(19580395003)(84676001)(104016003)(105606002)(106466001)(4396001)(50986999)(77096005)(120916001)(50226001)(68736005)(46102003)(47776003)(77156002)(2950100001)(62966003)(97736003)(76176999)(107046002)(21056001)(2351001)(19580405001)(20776003)(86362001)(64706001)(89996001)(85426001)(110136001)(99396003)(575784001)(6806004)(36756003)(229853001)(87936001)(48376002)(50466002)(217873001); DIR:OUT; SFP:1102; SCL:1; SRVR:CY1PR0301MB0636; 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:CY1PR0301MB0636; X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(601004); SRVR:CY1PR0301MB0636; X-Forefront-PRVS: 0440AC9990 X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:; SRVR:CY1PR0301MB0636; X-OriginatorOrg: freescale.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Dec 2014 06:36:16.9437 (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: CY1PR0301MB0636 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141228_223641_593616_14651FAF X-CRM114-Status: UNSURE ( 7.85 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.6 (/) 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, a.hajda@samsung.com, 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 --- v5->v6: * Address the over 80 characters in one line warning reported by the checkpatch.pl script. v4->v5: * None. 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..3662021 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 fmt) +{ + switch (fmt) { + 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);