From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 379B033123B for ; Wed, 15 Apr 2026 18:00:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776276032; cv=pass; b=pG6AQjnBuWyXm36B01ElNzDAFu0+VMiD+PVXGyV/Aa+LCOy2rTXA0iikP3gaNSw29m3UMLCK85h7D562n+LRzx1ob+zvYj7C45Cfnr+DM+M+c2F530xGaHw1in1mV33Nuuiw2stz5ywC/vYvatfoJs2AJKkkYeOAYg1zA89U400= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776276032; c=relaxed/simple; bh=KQR+P7kk5L4OPt5CaZmKvKt7MWFt2o3il21jGWABJuY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=I4nbyiRfvSyrt8C4gfz76CphoCboUuOS/tjkQynmUe7NhffEoPJwfyh+giva+FaCxz51LEmbAlXPkmDapaOciIpyFi3q+5i8HyHCpjGUhsiSF1RmmaKb0rGoAH7A/SzcRMw9iNqGpEmuMSWQNSdMjYDfmQKGTh1isYeUmLUMuWo= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b=Fl8roNM0; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b="Fl8roNM0" ARC-Seal: i=1; a=rsa-sha256; t=1776276010; cv=none; d=zohomail.com; s=zohoarc; b=eEt+Y2K1ueU8liDeOfdoYz+iiq2ngj+JzQQj/PpRKsMEmOG6/sfyvFnOTxP8pWSxf7Gc7QwuAsa+mIO4tIFw7vRNXFvTFZf7FJGAqrjq6uBKnsfp/wp61IELY+UxB1s55aNb+3jL8LZTTX9QuLChsTcF98LoAnOJy8KKlJAHf8w= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1776276010; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=IdcPwzm8ONcc+M8gR9eizacihnA4BnZBM3/FGNqzBko=; b=aHWIbOT0lhhYApBGajwz3tuBrduR33pz1uKdoBVtlcDLlpBLeI7W7aYwfCsavMP+7aSttB/+yCUm5gjMinMo77uHmQOwNwaWn9F/O4k2hzxI8X/2TDVsYhKa1n98Ivq7wh0UB2AeqPXyfabF9jUljt2SPvWUp7S7A0iwQ1lBE1c= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=nicolas.frattaroli@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1776276010; s=zohomail; d=collabora.com; i=nicolas.frattaroli@collabora.com; h=From:From:Date:Date:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Message-Id:References:In-Reply-To:To:To:Cc:Cc:Reply-To; bh=IdcPwzm8ONcc+M8gR9eizacihnA4BnZBM3/FGNqzBko=; b=Fl8roNM0tWk5eFzdXu46oWE+FEM9IhGP9MLFp1IgSXflsUG9N2VUaOq7JKzCIc3k vzfD0eeEy3O7BA0VaJbdnraf7GXYeM+2tzNyVpX36p3iBztDu8ws1yEp+3ogT0+hsNA lCFZvDi9aQh4I2rxCKw3oOefuFjifY0vYu0fjEdI= Received: by mx.zohomail.com with SMTPS id 1776276009203817.5967290824977; Wed, 15 Apr 2026 11:00:09 -0700 (PDT) From: Nicolas Frattaroli Date: Wed, 15 Apr 2026 19:59:40 +0200 Subject: [PATCH RESEND v7 2/2] drm: Send per-connector hotplug events Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260415-hot-plug-passup-v7-2-9a27ef5e2428@collabora.com> References: <20260415-hot-plug-passup-v7-0-9a27ef5e2428@collabora.com> In-Reply-To: <20260415-hot-plug-passup-v7-0-9a27ef5e2428@collabora.com> To: =?utf-8?q?Ville_Syrj=C3=A4l=C3=A4?= , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Louis Chauvet , Haneen Mohammed , Melissa Wen , Daniel Stone , Ian Forbes , Dmitry Baryshkov Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, kernel@collabora.com, wayland-devel@lists.freedesktop.org, Nicolas Frattaroli , Marius Vlad X-Mailer: b4 0.15.2 From: Marius Vlad Use the new pending_hp member of drm_connector to always send per-connector hotplug events for those connectors that need it, rather than sending a global event, or only an event for one connector. On the HPD (Hot Plug Detect) path this change notifies all connectors, rather than just first changed connector. The polling path is changed to no longer send a connector-less hotplug event, but similarly send a hotplug event for each changed connector. Signed-off-by: Marius Vlad Signed-off-by: Nicolas Frattaroli --- drivers/gpu/drm/drm_probe_helper.c | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index f8cbd6713960..5c39f27ada1d 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -860,8 +860,14 @@ static void output_poll_execute(struct work_struct *work) mutex_unlock(&dev->mode_config.mutex); out: - if (changed) - drm_kms_helper_hotplug_event(dev); + if (changed) { + drm_connector_list_iter_begin(dev, &conn_iter); + drm_for_each_connector_iter(connector, &conn_iter) { + if (connector->pending_hp) + drm_kms_helper_connector_hotplug_event(connector); + } + drm_connector_list_iter_end(&conn_iter); + } if (repoll) schedule_delayed_work(delayed_work, DRM_OUTPUT_POLL_PERIOD); @@ -1124,10 +1130,16 @@ bool drm_helper_hpd_irq_event(struct drm_device *dev) drm_connector_list_iter_end(&conn_iter); mutex_unlock(&dev->mode_config.mutex); - if (changed == 1) + if (changed == 1) { drm_kms_helper_connector_hotplug_event(first_changed_connector); - else if (changed > 0) - drm_kms_helper_hotplug_event(dev); + } else if (changed > 0) { + drm_connector_list_iter_begin(dev, &conn_iter); + drm_for_each_connector_iter(connector, &conn_iter) { + if (connector->pending_hp) + drm_kms_helper_connector_hotplug_event(connector); + } + drm_connector_list_iter_end(&conn_iter); + } if (first_changed_connector) drm_connector_put(first_changed_connector); -- 2.53.0