From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754832AbaLWDnX (ORCPT ); Mon, 22 Dec 2014 22:43:23 -0500 Received: from mail-bn1bon0131.outbound.protection.outlook.com ([157.56.111.131]:40224 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754711AbaLWDnU (ORCPT ); Mon, 22 Dec 2014 22:43:20 -0500 From: Liu Ying To: CC: , , , , , , , , , , Subject: [PATCH RFC v3 10/18] drm/dsi: Add a helper to get bits per pixel of MIPI DSI pixel format Date: Tue, 23 Dec 2014 11:46:31 +0800 Message-ID: <1419306399-9387-11-git-send-email-Ying.Liu@freescale.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1419306399-9387-1-git-send-email-Ying.Liu@freescale.com> References: <1419306399-9387-1-git-send-email-Ying.Liu@freescale.com> X-EOPAttributedMessage: 0 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)(979002)(6009001)(339900001)(189002)(199003)(85426001)(47776003)(20776003)(19580405001)(6806004)(19580395003)(64706001)(105606002)(50466002)(48376002)(86362001)(92566001)(89996001)(575784001)(87936001)(110136001)(4396001)(50226001)(99396003)(229853001)(2351001)(107046002)(77096005)(68736005)(36756003)(50986999)(31966008)(97736003)(62966003)(76176999)(106466001)(84676001)(120916001)(77156002)(21056001)(46102003)(104016003)(2950100001)(217873001)(969003)(989001)(999001)(1009001)(1019001);DIR:OUT;SFP:1102;SCL:1;SRVR:CY1PR0301MB0636;H:tx30smr01.am.freescale.net;FPR:;SPF:Fail;MLV:ovrnspm;PTR:InfoDomainNonexistent;MX:1;A:1;LANG:en; MIME-Version: 1.0 Content-Type: text/plain 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: 04347F8039 X-Exchange-Antispam-Report-CFA-Test: BCL:0;PCL:0;RULEID:;SRVR:CY1PR0301MB0636; X-OriginatorOrg: freescale.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Dec 2014 03:43:16.4736 (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 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Liu Ying --- 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); -- 2.1.0