From patchwork Sat May 11 21:06:53 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 10939827 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CB5F1933 for ; Sat, 11 May 2019 21:07:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BC7D921E5A for ; Sat, 11 May 2019 21:07:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B10D62223E; Sat, 11 May 2019 21:07:42 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7454521E5A for ; Sat, 11 May 2019 21:07:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0E96189A34; Sat, 11 May 2019 21:07:37 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3B3A989A32 for ; Sat, 11 May 2019 21:07:33 +0000 (UTC) Received: from pendragon.bb.dnainternet.fi (dfj612yhrgyx302h3jwwy-3.rev.dnainternet.fi [IPv6:2001:14ba:21f5:5b00:ce28:277f:58d7:3ca4]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 8CA112DF; Sat, 11 May 2019 23:07:31 +0200 (CEST) From: Laurent Pinchart To: dri-devel@lists.freedesktop.org Subject: [PATCH v2 01/10] drm: bridge: Add dual_link field to the drm_bridge_timings structure Date: Sun, 12 May 2019 00:06:53 +0300 Message-Id: <20190511210702.18394-2-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190511210702.18394-1-laurent.pinchart+renesas@ideasonboard.com> References: <20190511210702.18394-1-laurent.pinchart+renesas@ideasonboard.com> MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1557608851; bh=dkxdefBzSC6dBOdXnPobIJWH8GAnrhNGaIKdvoVB834=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gyTPGgVCEjZDYk4y2a7u2c4Nn0exlVyz9DiQhl7ZTbKMydQK1pu/UVzkpTF9rKa4O 18qSxovGQUlOoFC5sbMgHJuWPsda8gwCIoSQe5PZwQ8Qup9be5xkK50EYI4jaGpXcq 8Zch2SN9jykuB9/NpRgkJ/Pyu2X3Pdt70NmvsI7Q= X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-renesas-soc@vger.kernel.org, Kieran Bingham , Kieran Bingham Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Extend the drm_bridge_timings structure with a new dual_link field to indicate that the bridge's input bus carries data on two separate physical links. The first use case is LVDS dual-link mode where even- and odd-numbered pixels are transferred on separate LVDS links. Signed-off-by: Laurent Pinchart Reviewed-by: Kieran Bingham --- include/drm/drm_bridge.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index d4428913a4e1..aea1fcfd92a7 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -265,6 +265,14 @@ struct drm_bridge_timings { * input signal after the clock edge. */ u32 hold_time_ps; + /** + * @dual_link: + * + * True if the bus operates in dual-link mode. The exact meaning is + * dependent on the bus type. For LVDS buses, this indicates that even- + * and odd-numbered pixels are received on separate links. + */ + bool dual_link; }; /**