From patchwork Sun Jul 9 20:25:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 700935 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6613BEB64DC for ; Sun, 9 Jul 2023 20:25:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229626AbjGIUZa (ORCPT ); Sun, 9 Jul 2023 16:25:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230118AbjGIUZ3 (ORCPT ); Sun, 9 Jul 2023 16:25:29 -0400 Received: from mail-lf1-x135.google.com (mail-lf1-x135.google.com [IPv6:2a00:1450:4864:20::135]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 966BA12A for ; Sun, 9 Jul 2023 13:25:17 -0700 (PDT) Received: by mail-lf1-x135.google.com with SMTP id 2adb3069b0e04-4f122ff663eso5784183e87.2 for ; Sun, 09 Jul 2023 13:25:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1688934315; x=1691526315; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=xuK4zRTQtpemrtJQHlivu+9KOJF/i4juAvKU4fCYtbs=; b=V/vHa2PK+D/qCRPIwFpoIHMlno6WlqZqZXyRqE5l7aVSLTqgaeXJzdsTHYFJDL73ge u3PkNWQ+1ea7I1Vf8ZUm7DnJwBcrLWpyiEfVGHabTyLLOaAEwrjm8AczawyLmVMk+1SZ MFvQdWnEan/H4W1f4jlDXDwTzK/mCz6892wxn8I/ya4jGvDkWx3eblObXkSmT0KEAzpy iyNlVRr8HTQOIfT1k0IHnU4nY8N59gDqMOwXKV+Tlm4lCFSq0lzIldVf/fGAaIVWZGjW +hABB49a1BDv74/TICyl6UbF43fU7DvW/2F9rFH8tcqiIDYiHABJ1qcmvuIx9tYZL7il 2GGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688934315; x=1691526315; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=xuK4zRTQtpemrtJQHlivu+9KOJF/i4juAvKU4fCYtbs=; b=GogxZt/ym70WPVNA0cAai7G7KzTZSL8bhQqnVy06kZ5zSPsHhhxfmoHjeL+YDwvaba iZOJYqTswEzZDUCd+pXRccCqAxWfekeoxWfoBRndhnQ5H9tILU03m/BGOZNVxX9o31nw nQQII6Dwfdf/5QaL+kfcKKa5mJ5EZcWlixUHHffe/dPEDBCCD7s1XdjmmPrgF5WPQ7ja B4y4vaOagSrWf8LLZ0cKomNbUTxa3wnA806QIzi2QwYgQDKI1SATJEOu6dTnOayK+vUW XKdeBCPl64kEsm9d2x2dOvuYJEr1Kb0FXGZpcngC4tqC7/WapZ4Zu/QSVQHP/bfxj2XS +P/Q== X-Gm-Message-State: ABy/qLYvqdjDbMVPxOZO6wBPcJVs0+KITR8e/uQKMvzDks8qUpHAhXTa 4i5/Y3WPGO7Lyimk226rFkM40A== X-Google-Smtp-Source: APBJJlGUB8GKtg3VepVo22RlSHHMlhbrsC5WpIr5OK9gBeoUlx6CsUUmDEj4Vzo6mPoFTr5l1naNcA== X-Received: by 2002:a05:6512:b8c:b0:4f8:6ea5:104b with SMTP id b12-20020a0565120b8c00b004f86ea5104bmr10023114lfv.30.1688934315507; Sun, 09 Jul 2023 13:25:15 -0700 (PDT) Received: from lothlorien.lan (dzdqv0yyyyyyyyyyybm5y-3.rev.dnainternet.fi. [2001:14ba:a0db:1f00::ab2]) by smtp.gmail.com with ESMTPSA id 8-20020ac24828000000b004fb771a5b2dsm1428774lft.1.2023.07.09.13.25.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 Jul 2023 13:25:15 -0700 (PDT) From: Dmitry Baryshkov To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Heikki Krogerus , Greg Kroah-Hartman , =?utf-8?b?VmlsbGUgU3lyasOk?= =?utf-8?b?bMOk?= Cc: Rob Clark , Sean Paul , Abhinav Kumar , Bjorn Andersson , dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org Subject: [PATCH v6 3/3] drm/bridge_connector: implement oob_hotplug_event Date: Sun, 9 Jul 2023 23:25:11 +0300 Message-Id: <20230709202511.287794-4-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230709202511.287794-1-dmitry.baryshkov@linaro.org> References: <20230709202511.287794-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Implement the oob_hotplug_event() callback. Translate it to the HPD notification sent to the HPD bridge in the chain. Signed-off-by: Dmitry Baryshkov Reviewed-by: Janne Grunau --- drivers/gpu/drm/drm_bridge_connector.c | 29 +++++++++++++++++++++++--- 1 file changed, 26 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/drm_bridge_connector.c b/drivers/gpu/drm/drm_bridge_connector.c index 84d8d310ef04..364f6e37fbdc 100644 --- a/drivers/gpu/drm/drm_bridge_connector.c +++ b/drivers/gpu/drm/drm_bridge_connector.c @@ -5,6 +5,8 @@ #include #include +#include +#include #include #include @@ -107,10 +109,9 @@ static void drm_bridge_connector_hpd_notify(struct drm_connector *connector, } } -static void drm_bridge_connector_hpd_cb(void *cb_data, - enum drm_connector_status status) +static void drm_bridge_connector_handle_hpd(struct drm_bridge_connector *drm_bridge_connector, + enum drm_connector_status status) { - struct drm_bridge_connector *drm_bridge_connector = cb_data; struct drm_connector *connector = &drm_bridge_connector->base; struct drm_device *dev = connector->dev; @@ -123,6 +124,21 @@ static void drm_bridge_connector_hpd_cb(void *cb_data, drm_kms_helper_hotplug_event(dev); } +static void drm_bridge_connector_hpd_cb(void *cb_data, + enum drm_connector_status status) +{ + drm_bridge_connector_handle_hpd(cb_data, status); +} + +static void drm_bridge_connector_oob_hotplug_event(struct drm_connector *connector, + enum drm_connector_status status) +{ + struct drm_bridge_connector *bridge_connector = + to_drm_bridge_connector(connector); + + drm_bridge_connector_handle_hpd(bridge_connector, status); +} + static void drm_bridge_connector_enable_hpd(struct drm_connector *connector) { struct drm_bridge_connector *bridge_connector = @@ -216,6 +232,7 @@ static const struct drm_connector_funcs drm_bridge_connector_funcs = { .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, .debugfs_init = drm_bridge_connector_debugfs_init, + .oob_hotplug_event = drm_bridge_connector_oob_hotplug_event, }; /* ----------------------------------------------------------------------------- @@ -351,6 +368,12 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm, if (!drm_bridge_get_next_bridge(bridge)) connector_type = bridge->type; +#ifdef CONFIG_OF + if (!drm_bridge_get_next_bridge(bridge) && + bridge->of_node) + connector->fwnode = fwnode_handle_get(of_fwnode_handle(bridge->of_node)); +#endif + if (bridge->ddc) ddc = bridge->ddc;