From patchwork Wed Dec 16 10:10:12 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Zhong X-Patchwork-Id: 7860441 Return-Path: X-Original-To: patchwork-dri-devel@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 DD20BBEEE1 for ; Wed, 16 Dec 2015 10:10:37 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 01474203A4 for ; Wed, 16 Dec 2015 10:10:37 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 1D09B202AE for ; Wed, 16 Dec 2015 10:10:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 54BB96E882; Wed, 16 Dec 2015 02:10:35 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pa0-f44.google.com (mail-pa0-f44.google.com [209.85.220.44]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4C9736E882 for ; Wed, 16 Dec 2015 02:10:34 -0800 (PST) Received: by mail-pa0-f44.google.com with SMTP id q3so1557141pav.3 for ; Wed, 16 Dec 2015 02:10:34 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=fpYc4OwnnN2wAwDURuDQ09CcYUUf2NZswe4VX5vqGfw=; b=Gsz+YtVdOLhd5pEbMMC7/ZOspdn0Ii7oa0Xxh46hsBG5dNFgc2ynU38rDsRyZmK0vI mKmqBEfUr27ezojqqZkK75bdc+jeqQczU0aWSfehgFVpRZNFT7ZE5SDhn+uNp+JXnKKA fHGBaLaNgFatIkSqdyNG509XayhcxhCpdo+a3D0xtq1JkJYJ1U3AhSJGveUytiLzpYLK cMNyxo1rMnLVuJ5ZO8N0ApmXQSoJZOVNiUFP6o8LEue+u3oZ0MErOAttRctzwMKnd78I ahNTxcOYdVZp4J1OUbhg37+mo2yeJ3A+YqiEua629I/EkGeape+NP+UsaQAiM7hmyfnA PB6Q== X-Received: by 10.66.161.70 with SMTP id xq6mr18894592pab.73.1450260633902; Wed, 16 Dec 2015 02:10:33 -0800 (PST) Received: from localhost.localdomain ([103.29.142.67]) by smtp.gmail.com with ESMTPSA id u14sm3688263pfi.58.2015.12.16.02.10.30 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 16 Dec 2015 02:10:33 -0800 (PST) From: Chris Zhong To: heiko@sntech.de, linux-rockchip@lists.infradead.org, mark.yao@rock-chips.com, treding@nvidia.com Subject: [PATCH v6 2/6] drm/dsi: Add a helper to get bits per pixel of MIPI DSI pixel format Date: Wed, 16 Dec 2015 18:10:12 +0800 Message-Id: <1450260616-21160-3-git-send-email-zyw@rock-chips.com> X-Mailer: git-send-email 2.6.3 In-Reply-To: <1450260616-21160-1-git-send-email-zyw@rock-chips.com> References: <1450260616-21160-1-git-send-email-zyw@rock-chips.com> Cc: Chris Zhong , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 From: Liu Ying Signed-off-by: Liu Ying Acked-by: Thierry Reding Signed-off-by: Chris Zhong --- Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None 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);