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[209.132.180.67]) by mx.google.com with ESMTP id c33si4138272pgm.174.2019.05.27.03.24.06; Mon, 27 May 2019 03:24:21 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@st.com header.s=STMicroelectronics header.b=ff8ILc4i; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726895AbfE0KWW (ORCPT + 99 others); Mon, 27 May 2019 06:22:22 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:6160 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726313AbfE0KWV (ORCPT ); Mon, 27 May 2019 06:22:21 -0400 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-00178001.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x4RAGdv9031349; Mon, 27 May 2019 12:21:47 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : subject : date : message-id : mime-version : content-type : content-transfer-encoding; s=STMicroelectronics; bh=ixDf88IcNb3TU6tNgq8bjWEyDdaEJ144CZTxviT3UTE=; b=ff8ILc4ioPMsKqkyweSlcBLsWP3MVx7APoWrr8IMFcUnhQbUOuM2cSK01jfzckrRQ1P3 zPxU1nT7zO+zDGVsWWXKJFTD44GvrXet2j92zvpt0KVP6IL0QAnCbl5Amb26cx42FGLn PnlqIWbZ84Axixb93FC6KYocoPJ2V8J0yTda2eYpj2dsn1y0LZVIYqYknBlaWeJ0vI0c t/pm1I8WOT1U82e2h4eiizrCIWdso8nk3tmOCxkrl471FgxRc9gKBFos8alVZkxI10f8 7FVl3dipDCqPhYVREzJd6YTFhU8UyVGdDuwpuhxNGoBAjXytNIT4M4SHcpZSNNJVDlNS kA== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 2sptu9jjhg-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 27 May 2019 12:21:47 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 636BB31; Mon, 27 May 2019 10:21:46 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas24.st.com [10.75.90.94]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 347112804; Mon, 27 May 2019 10:21:46 +0000 (GMT) Received: from SAFEX1HUBCAS23.st.com (10.75.90.47) by Safex1hubcas24.st.com (10.75.90.94) with Microsoft SMTP Server (TLS) id 14.3.439.0; Mon, 27 May 2019 12:21:46 +0200 Received: from localhost (10.201.23.97) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.439.0; Mon, 27 May 2019 12:21:45 +0200 From: =?UTF-8?q?Yannick=20Fertr=C3=A9?= To: Andrzej Hajda , Laurent Pinchart , David Airlie , "Daniel Vetter" , Heiko Stuebner , Sam Ravnborg , Yannick Fertre , Nickey Yang , Philippe Cornu , Benjamin Gaignard , Vincent Abriou , Maxime Coquelin , Alexandre Torgue , , , , Subject: [PATCH v1 0/2] dw-mipi-dsi: add power on & off optional phy ops and update stm Date: Mon, 27 May 2019 12:21:37 +0200 Message-ID: <1558952499-15418-1-git-send-email-yannick.fertre@st.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.201.23.97] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-05-27_07:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org These patches fix a bug concerning an access issue to display controler (ltdc) registers. If the physical layer of the DSI is started too early then the fifo DSI are full very quickly which implies ltdc register's access hang up. To avoid this problem, it is necessary to start the DSI physical layer only when the bridge is enable. Yannick Fertré (2): drm/bridge/synopsys: dsi: add power on/off optional phy ops drm/stm: dsi: add power on/off phy ops drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 8 ++++++++ drivers/gpu/drm/stm/dw_mipi_dsi-stm.c | 21 ++++++++++++++++++++- include/drm/bridge/dw_mipi_dsi.h | 2 ++ 3 files changed, 30 insertions(+), 1 deletion(-) -- 2.7.4