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=-9.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 244F9C433DF for ; Fri, 3 Jul 2020 19:24:40 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F066920884 for ; Fri, 3 Jul 2020 19:24:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="GE1XSHq2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F066920884 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ravnborg.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B803B6EBB1; Fri, 3 Jul 2020 19:24:34 +0000 (UTC) Received: from mail-lj1-x244.google.com (mail-lj1-x244.google.com [IPv6:2a00:1450:4864:20::244]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8D3B56EBAF for ; Fri, 3 Jul 2020 19:24:33 +0000 (UTC) Received: by mail-lj1-x244.google.com with SMTP id q4so2472273lji.2 for ; Fri, 03 Jul 2020 12:24:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=crdsSYeE4Qjzpa6opYHv3IzGu7g1/qn81b/kyQvWzfg=; b=GE1XSHq2LB+NlblPoknxD8pJahuramxLr8jS7yhU3ooxI+CTZD1fbSIZGeAZa9P/0l idAgZAMv8hdKgEbUBk9PJouyuMfsWtRMLv1z64xkJ6vNZ6vvTLUKR8CHpDpkhZISbU/P 8AamrsjR/OSBESKaHHuINPybfn3aa78uyi4Txy1o87ABImBp8HPyho++lTsNUAf3erJR /f03ZTKoz7knPduoaFFJAIJz7gCLiT2lnM6wnlvnX2KyWdqsEIXSMy9JKqne8u/QRnza p0auqc/GUbVWZ6UXcguA0FSKr3knZKnNA0XOgXnDx5LwENwvPR/KjNarf/PxWcNASjIf g/yQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=crdsSYeE4Qjzpa6opYHv3IzGu7g1/qn81b/kyQvWzfg=; b=Yc6+2G8W9lgiVmk8U2p+LnnwKZZ4lexggBupeFlCWxzXYHYPxrnwMQn9ETZCbrMX1l 3Xz1RmcvCVLOY2CoV0TGVkLkih5XEuoX4e5V9eY3qZxWKFeh+5TNenOaKtLMUo7WuafY dYJkljd4HhpTfVjREgnh74EHCPoTUMZOPsoY51aFHjWtJrexGyVf8TIAOtxgvDIe3Ui1 25RP3hlNmicv3rx694gwOjmUB9ftw5LCW3wipG1xdCr7IxCZDMqxWF7SJNdUxS4GT+np WOk0Y90n7jZToML916Bkzn+6lVbESwIKi6SLO6qKOWIbOQ8qmrWAKmit/Id3cfEgmmav tjnQ== X-Gm-Message-State: AOAM532LKGcAYofKP30CqNeeqEe1b8TDw1qzbmbebGYu5qFqet/a+C8l rCD4Kzj2HJzirc/ApMXuaBjzeiZVG5c= X-Google-Smtp-Source: ABdhPJywLPlQKN+mgmBPG5s4kYeuFL/9zKCiiM1YazEl0PCKdDHbQbqzYN/HbhN/XrXfH4ykRiir9Q== X-Received: by 2002:a2e:b5ab:: with SMTP id f11mr20322180ljn.438.1593804271671; Fri, 03 Jul 2020 12:24:31 -0700 (PDT) Received: from saturn.lan ([2a00:fd00:805f:db00:4025:a614:1d5c:b7bc]) by smtp.gmail.com with ESMTPSA id y26sm4411791ljm.46.2020.07.03.12.24.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Jul 2020 12:24:31 -0700 (PDT) From: Sam Ravnborg To: dri-devel@lists.freedesktop.org, Laurent Pinchart , Neil Armstrong Subject: [PATCH v3 06/21] drm/bridge: tc358767: add drm_panel_bridge support Date: Fri, 3 Jul 2020 21:24:02 +0200 Message-Id: <20200703192417.372164-7-sam@ravnborg.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200703192417.372164-1-sam@ravnborg.org> References: <20200703192417.372164-1-sam@ravnborg.org> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jernej Skrabec , Martyn Welch , Jonas Karlman , Peter Senna Tschudin , Andrzej Hajda , Thierry Reding , Sam Ravnborg , kbuild test robot Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Prepare the bridge driver for use in a chained setup by replacing direct use of drm_panel with drm_panel_bridge support. The bridge driver assume the panel is optional. The relevant tests are migrated over to check for the pnale bridge to keep the same functionality. Note: the bridge panel will use the connector type from the panel. Signed-off-by: Sam Ravnborg Cc: Andrzej Hajda Cc: Neil Armstrong Cc: Laurent Pinchart Cc: Jonas Karlman Cc: Jernej Skrabec --- drivers/gpu/drm/bridge/tc358767.c | 57 +++++++++++++++---------------- 1 file changed, 27 insertions(+), 30 deletions(-) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index c2777b226c75..08d483664258 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -244,8 +244,8 @@ struct tc_data { struct drm_dp_aux aux; struct drm_bridge bridge; + struct drm_bridge *panel_bridge; struct drm_connector connector; - struct drm_panel *panel; /* link settings */ struct tc_edp_link link; @@ -1236,13 +1236,6 @@ static int tc_stream_disable(struct tc_data *tc) return 0; } -static void tc_bridge_pre_enable(struct drm_bridge *bridge) -{ - struct tc_data *tc = bridge_to_tc(bridge); - - drm_panel_prepare(tc->panel); -} - static void tc_bridge_enable(struct drm_bridge *bridge) { struct tc_data *tc = bridge_to_tc(bridge); @@ -1266,8 +1259,6 @@ static void tc_bridge_enable(struct drm_bridge *bridge) tc_main_link_disable(tc); return; } - - drm_panel_enable(tc->panel); } static void tc_bridge_disable(struct drm_bridge *bridge) @@ -1275,8 +1266,6 @@ static void tc_bridge_disable(struct drm_bridge *bridge) struct tc_data *tc = bridge_to_tc(bridge); int ret; - drm_panel_disable(tc->panel); - ret = tc_stream_disable(tc); if (ret < 0) dev_err(tc->dev, "main link stream stop error: %d\n", ret); @@ -1286,13 +1275,6 @@ static void tc_bridge_disable(struct drm_bridge *bridge) dev_err(tc->dev, "main link disable error: %d\n", ret); } -static void tc_bridge_post_disable(struct drm_bridge *bridge) -{ - struct tc_data *tc = bridge_to_tc(bridge); - - drm_panel_unprepare(tc->panel); -} - static bool tc_bridge_mode_fixup(struct drm_bridge *bridge, const struct drm_display_mode *mode, struct drm_display_mode *adj) @@ -1348,9 +1330,11 @@ static int tc_connector_get_modes(struct drm_connector *connector) return 0; } - count = drm_panel_get_modes(tc->panel, connector); - if (count > 0) - return count; + if (tc->panel_bridge) { + count = drm_bridge_get_modes(tc->panel_bridge, connector); + if (count > 0) + return count; + } edid = drm_get_edid(connector, &tc->aux.ddc); @@ -1378,7 +1362,7 @@ static enum drm_connector_status tc_connector_detect(struct drm_connector *conne int ret; if (tc->hpd_pin < 0) { - if (tc->panel) + if (tc->panel_bridge) return connector_status_connected; else return connector_status_unknown; @@ -1413,6 +1397,13 @@ static int tc_bridge_attach(struct drm_bridge *bridge, struct drm_device *drm = bridge->dev; int ret; + if (tc->panel_bridge) { + ret = drm_bridge_attach(tc->bridge.encoder, tc->panel_bridge, + &tc->bridge, flags); + if (ret < 0) + return ret; + } + if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) { DRM_ERROR("Fix bridge driver to make connector optional!"); return -EINVAL; @@ -1421,7 +1412,7 @@ static int tc_bridge_attach(struct drm_bridge *bridge, /* Create DP/eDP connector */ drm_connector_helper_add(&tc->connector, &tc_connector_helper_funcs); ret = drm_connector_init(drm, &tc->connector, &tc_connector_funcs, - tc->panel ? DRM_MODE_CONNECTOR_eDP : + tc->panel_bridge ? DRM_MODE_CONNECTOR_eDP : DRM_MODE_CONNECTOR_DisplayPort); if (ret) return ret; @@ -1435,9 +1426,6 @@ static int tc_bridge_attach(struct drm_bridge *bridge, DRM_CONNECTOR_POLL_DISCONNECT; } - if (tc->panel) - drm_panel_attach(tc->panel, &tc->connector); - drm_display_info_set_bus_formats(&tc->connector.display_info, &bus_format, 1); tc->connector.display_info.bus_flags = @@ -1453,10 +1441,8 @@ static const struct drm_bridge_funcs tc_bridge_funcs = { .attach = tc_bridge_attach, .mode_valid = tc_mode_valid, .mode_set = tc_bridge_mode_set, - .pre_enable = tc_bridge_pre_enable, .enable = tc_bridge_enable, .disable = tc_bridge_disable, - .post_disable = tc_bridge_post_disable, .mode_fixup = tc_bridge_mode_fixup, }; @@ -1547,6 +1533,7 @@ static irqreturn_t tc_irq_handler(int irq, void *arg) static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct device *dev = &client->dev; + struct drm_panel *panel; struct tc_data *tc; int ret; @@ -1557,10 +1544,20 @@ static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id) tc->dev = dev; /* port@2 is the output port */ - ret = drm_of_find_panel_or_bridge(dev->of_node, 2, 0, &tc->panel, NULL); + ret = drm_of_find_panel_or_bridge(dev->of_node, 2, 0, &panel, NULL); if (ret && ret != -ENODEV) return ret; + if (panel) { + struct drm_bridge *pbridge; + + pbridge = devm_drm_panel_bridge_add(dev, panel); + if (IS_ERR(pbridge)) + return PTR_ERR(pbridge); + + tc->panel_bridge = pbridge; + } + /* Shut down GPIO is optional */ tc->sd_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH); if (IS_ERR(tc->sd_gpio)) -- 2.25.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel