From patchwork Sun Jul 9 03:42:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 700944 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 54785EB64DC for ; Sun, 9 Jul 2023 03:42:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229726AbjGIDmU (ORCPT ); Sat, 8 Jul 2023 23:42:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229436AbjGIDmR (ORCPT ); Sat, 8 Jul 2023 23:42:17 -0400 Received: from mail-lj1-x22f.google.com (mail-lj1-x22f.google.com [IPv6:2a00:1450:4864:20::22f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8E809E3 for ; Sat, 8 Jul 2023 20:42:16 -0700 (PDT) Received: by mail-lj1-x22f.google.com with SMTP id 38308e7fff4ca-2b6fbf0c0e2so50019091fa.2 for ; Sat, 08 Jul 2023 20:42:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1688874135; x=1691466135; 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=sA+8HlTiTqDJZTtDglpA8b4/AIm2/r4HbV6YLCKxy4KQMN8jSI+p4pcnMsQmlFDlwL gb480YD1MUfAmtPeArJsnVpyG1TMf77WpkYB+1vtSy87fG65qc9+Qc2AkvdrwVshBUiD C6clyCgZqZ6WVwZMNl5a72c+8OWdFOXDY4CkheRJmubwRkm/hSjSUBMZH2cP1GINzeD0 UrcfAJ5ypGDcPx/ocD0RQlc/gaaP5CODXurjiIUPCy49JYsRWdvJQEtDrjTcximg2k5l TxkMGwr1Pr1+bGSfv7xlA4NUo3GzO3c82yM2+AMXGvI20IgPvrURux/HbBVS8206jcMx 2ehg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688874135; x=1691466135; 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=RolYou98bKlOFfzWXpA9mmwntuR8ZjdgOX1oTP4p4NHR6u3usKUMlkIuGisiFpsAbi X9/npBX2EXs/twqetyKjQoGmuxslkncqjNP4UmxSjJAI/tinPaRLCD1AnkeMjrMulWN9 kC9N9/x6g/DhtdvGrZYMYUmJa2A4fo1KmYoY6Yi3Sq1voxvRMECFWZuhpKlsgh1mKsNN WETLC63Km2WVCBgXZA6LySVNNkccnO3vzrHyTBTmzDABsDObJsh4sX/Hot4O75MHZrKc 0VxqT1zkueBhhchHoR72TmBieARW1gmElrUU4vrAiqd49fd/jJi1FCsPyTa/01uj6lgF 01fA== X-Gm-Message-State: ABy/qLYcmmlqVimw9vnHqR1C0dHEg6A8CuMuKOG+16MM1fmjUvIFL+2N bmM6I9SmoH3EqWqLT/mG+6Zi5g== X-Google-Smtp-Source: APBJJlFv0O8WZ+VPH1Ou8nrTgXdcBmf6HFZApHz5X21b8fVffVcQEGu1H6y+jckZ8DTwBaR4RSUfGQ== X-Received: by 2002:a2e:969a:0:b0:2b6:dcde:b77f with SMTP id q26-20020a2e969a000000b002b6dcdeb77fmr7174439lji.35.1688874134831; Sat, 08 Jul 2023 20:42:14 -0700 (PDT) Received: from lothlorien.lan (dzdqv0yyyyyyyyyyybm5y-3.rev.dnainternet.fi. [2001:14ba:a0db:1f00::ab2]) by smtp.gmail.com with ESMTPSA id y13-20020a2e9d4d000000b002b6d7682050sm1390289ljj.89.2023.07.08.20.42.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 08 Jul 2023 20:42:14 -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 v5 3/3] drm/bridge_connector: implement oob_hotplug_event Date: Sun, 9 Jul 2023 06:42:11 +0300 Message-Id: <20230709034211.4045004-4-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230709034211.4045004-1-dmitry.baryshkov@linaro.org> References: <20230709034211.4045004-1-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 --- 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;