From mboxrd@z Thu Jan 1 00:00:00 1970 From: Inki Dae Subject: [PATCH 0/2] drm/mipi-dsi: support low power transmission Date: Mon, 18 Aug 2014 17:11:33 +0900 Message-ID: <1408349495-25568-1-git-send-email-inki.dae@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mailout2.samsung.com (mailout2.samsung.com [203.254.224.25]) by gabe.freedesktop.org (Postfix) with ESMTP id 74B4989E3B for ; Mon, 18 Aug 2014 01:11:38 -0700 (PDT) Received: from epcpsbgr3.samsung.com (u143.gpu120.samsung.co.kr [203.254.230.143]) by mailout2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NAH00IPUTFCGX90@mailout2.samsung.com> for dri-devel@lists.freedesktop.org; Mon, 18 Aug 2014 17:11:36 +0900 (KST) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org Cc: a.hajda@samsung.com List-Id: dri-devel@lists.freedesktop.org This patch considers low power transmisson to two clock behaviors, non-continuous and continuous clock mode. These two clock behaviors can transmit data in high speed or low power. So this patch series adds a new flag, MIPI_DSI_MODE_LPM so that each host driver can setup its host controller properly. Patch 1: Add MIPI_DSI_MODE_LPM flag. If panel driver sets this flag, then msg->flags will have MIPI_DSI_MSG_USE_LPM so that host driver can transmit data in low power. Patch 2: Just exynos part for supporting non-continuous and continuous clock mode. Inki Dae (2): drm/mipi-dsi: consider low power transmission drm/exynos: mipi-dsi: consider non-continuous clock mode drivers/gpu/drm/drm_mipi_dsi.c | 6 ++++++ drivers/gpu/drm/exynos/exynos_drm_dsi.c | 19 +++++++++++++++++++ include/drm/drm_mipi_dsi.h | 2 ++ 3 files changed, 27 insertions(+) -- 1.7.9.5