From patchwork Tue Jul 8 12:32:11 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Courbot X-Patchwork-Id: 4504601 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id B5F479F39B for ; Tue, 8 Jul 2014 12:37:14 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EF561201BC for ; Tue, 8 Jul 2014 12:37:13 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 35D7020176 for ; Tue, 8 Jul 2014 12:37:13 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3E3856E14F; Tue, 8 Jul 2014 05:37:12 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.gnurou.org (gnurou.org [207.192.72.5]) by gabe.freedesktop.org (Postfix) with ESMTP id B963C89B9F for ; Tue, 8 Jul 2014 05:37:10 -0700 (PDT) Received: from localhost.localdomain (softbank126010191003.bbtec.net [126.10.191.3]) by mail.gnurou.org (Postfix) with ESMTPSA id 4F792167E17; Tue, 8 Jul 2014 21:38:22 +0900 (JST) From: Alexandre Courbot To: Andrzej Hajda , Thierry Reding , Terje Bergstrom , Stephen Warren Subject: [PATCH v3 1/4] drm/dsi: Flag for non-continuous clock behavior Date: Tue, 8 Jul 2014 21:32:11 +0900 Message-Id: <1404822734-8603-2-git-send-email-acourbot@nvidia.com> X-Mailer: git-send-email 2.0.0 In-Reply-To: <1404822734-8603-1-git-send-email-acourbot@nvidia.com> References: <1404822734-8603-1-git-send-email-acourbot@nvidia.com> Cc: linux-tegra@vger.kernel.org, gnurou@gmail.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.15 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=-4.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 As per section 5.6.1 of the DSI specification, all DSI transmitters must support continuous clock behavior on the clock lane, while non-continuous mode support is only optional. Add a flag that allows devices to indicate that they support non-continuous clock mode so host drivers can adapt their behavior accordingly. Signed-off-by: Alexandre Courbot --- include/drm/drm_mipi_dsi.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index 944f33f..efa1b55 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -94,6 +94,8 @@ void mipi_dsi_host_unregister(struct mipi_dsi_host *host); #define MIPI_DSI_MODE_VSYNC_FLUSH BIT(8) /* disable EoT packets in HS mode */ #define MIPI_DSI_MODE_EOT_PACKET BIT(9) +/* device supports non-continuous clock behavior (DSI spec 5.6.1) */ +#define MIPI_DSI_CLOCK_NON_CONTINUOUS BIT(10) enum mipi_dsi_pixel_format { MIPI_DSI_FMT_RGB888,