From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7AAD7C04AB3 for ; Mon, 27 May 2019 10:22:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4D1382133F for ; Mon, 27 May 2019 10:22:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="ulVHYNCW" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726883AbfE0KWQ (ORCPT ); Mon, 27 May 2019 06:22:16 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:8820 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725858AbfE0KWQ (ORCPT ); Mon, 27 May 2019 06:22:16 -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 x4RAGcSe031336; Mon, 27 May 2019 12:21:48 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : subject : date : message-id : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=STMicroelectronics; bh=K9MPddInRylWsZUKTiMMozhp1doQ8Ls5xxWg0TmbCm0=; b=ulVHYNCWpNB/fmvKmxz1BPx6VyZtV6zgHD6llj10aA0P4+8hLCp+5s5tR86b2ITOfLdX +d8IbtKqMp2+0HDyn8JKXrtes1np928OvwMtOG4GgWsfC7Y+KvTrj5y+ktExn62V8bNf wmH6NK2YiaKzVFREdamSbTbiCJMIJzOvsIeqRCjolGpwcQJ4CiotjC0a/ugjwyLpsaRj OdxEobI8380pMauJ6Sec2UhcD2T3H0wgYLppei5lW2K1wRjO5wgASVXO2n6YJRk5BnKf kf3NPWCNB8HdCTIFmGFg8s+lqyv9IMC+m7Hyp8IQTUMs6a1CHonpSEyw9HLapDyVGtY3 ig== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 2sptu9jjhh-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 27 May 2019 12:21:48 +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 A3C7E34; Mon, 27 May 2019 10:21:47 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 78BE32804; Mon, 27 May 2019 10:21:47 +0000 (GMT) Received: from SAFEX1HUBCAS23.st.com (10.75.90.47) by Safex1hubcas22.st.com (10.75.90.92) with Microsoft SMTP Server (TLS) id 14.3.439.0; Mon, 27 May 2019 12:21:47 +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 12:21:46 +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 1/2] drm/bridge/synopsys: dsi: add power on/off optional phy ops Date: Mon, 27 May 2019 12:21:38 +0200 Message-ID: <1558952499-15418-2-git-send-email-yannick.fertre@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1558952499-15418-1-git-send-email-yannick.fertre@st.com> References: <1558952499-15418-1-git-send-email-yannick.fertre@st.com> 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 Add power on & off optional physical operation functions, helpful to program specific registers of the DSI physical part. Signed-off-by: Yannick Fertré --- drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 8 ++++++++ include/drm/bridge/dw_mipi_dsi.h | 2 ++ 2 files changed, 10 insertions(+) diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c index e915ae8..5bb676f 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c @@ -775,6 +775,10 @@ static void dw_mipi_dsi_clear_err(struct dw_mipi_dsi *dsi) static void dw_mipi_dsi_bridge_post_disable(struct drm_bridge *bridge) { struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge); + const struct dw_mipi_dsi_phy_ops *phy_ops = dsi->plat_data->phy_ops; + + if (phy_ops->power_off) + phy_ops->power_off(dsi->plat_data->priv_data); /* * Switch to command mode before panel-bridge post_disable & @@ -874,11 +878,15 @@ static void dw_mipi_dsi_bridge_mode_set(struct drm_bridge *bridge, static void dw_mipi_dsi_bridge_enable(struct drm_bridge *bridge) { struct dw_mipi_dsi *dsi = bridge_to_dsi(bridge); + const struct dw_mipi_dsi_phy_ops *phy_ops = dsi->plat_data->phy_ops; /* Switch to video mode for panel-bridge enable & panel enable */ dw_mipi_dsi_set_mode(dsi, MIPI_DSI_MODE_VIDEO); if (dsi->slave) dw_mipi_dsi_set_mode(dsi->slave, MIPI_DSI_MODE_VIDEO); + + if (phy_ops->power_on) + phy_ops->power_on(dsi->plat_data->priv_data); } static enum drm_mode_status diff --git a/include/drm/bridge/dw_mipi_dsi.h b/include/drm/bridge/dw_mipi_dsi.h index 7d3dd69..df6eda6 100644 --- a/include/drm/bridge/dw_mipi_dsi.h +++ b/include/drm/bridge/dw_mipi_dsi.h @@ -14,6 +14,8 @@ struct dw_mipi_dsi; struct dw_mipi_dsi_phy_ops { int (*init)(void *priv_data); + void (*power_on)(void *priv_data); + void (*power_off)(void *priv_data); int (*get_lane_mbps)(void *priv_data, const struct drm_display_mode *mode, unsigned long mode_flags, u32 lanes, u32 format, -- 2.7.4