From nobody Mon Feb 9 10:27:07 2026 Received: from smtpout-04.galae.net (smtpout-04.galae.net [185.171.202.116]) (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 9C8F523ED5E for ; Sat, 18 Oct 2025 02:02:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.171.202.116 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760752945; cv=none; b=ILtxYElmnDIAqyOHxDAigk/wblx+hzo6/nhbryhODSQ6yFxa0JN1tp2utlIImMHoLNxiwFgddvYbiQhq5RGSPf12HOvUIYKfw3O0tWtL4hfNOlnPGbtmHvU2ox8/I8RsI5EIX16X0Ec9JPhMn9OxttN7R+mQtz1BM87zGjlGaD8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760752945; c=relaxed/simple; bh=UHrEecd+6C0vF0Cs7qQiOFJxWa/yui46MpN97PZb7A4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=BhTD5Yt8ak0yxDzCdf6biUbbHV6tvmhQ4oSXVLoPbHHjAtdyE7DQUZqXq7/jFpudBzlwGsL2u4g+MDu7cxoSJcjxincZMJ+YTJP6UaWjvnkOxWSJIiD0WaxehkjrYnqIl1Me6cVDdTs+pzxEL7C9to3ts8ShC6BQTPlwCr4+qc0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=Q1S3Rn7g; arc=none smtp.client-ip=185.171.202.116 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="Q1S3Rn7g" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id 0B532C041FD; Sat, 18 Oct 2025 02:02:03 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 60D6760701; Sat, 18 Oct 2025 02:02:22 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 14D87102F236F; Sat, 18 Oct 2025 04:02:19 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1760752941; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=etjMW6U4L5LchIOPFungAA/drZk/ZnoC4fdKX7Yq4YA=; b=Q1S3Rn7gqaBWbuZxYizgqUxqJ+nkwrlb3Le0Mr5XbvP60xwcaU7m9nrdQl0/Qg+y8g1g0b Rw37INj0oMkmKSkeqMCShbNLSrbGDAWJuEE8zMTq27Cxm0VCuz5gd/Fl+dAhETQ4sQuAz7 wYmBIJeLpBmJnbV0PgeStEbyatFhoRaMxVUY16dOGHxEuhgkw1V+C12dT4n5SmEC1OZnBu 0bSs3cylugvkapdjkKNCKvGlKgibONvw/e2wpCDaWryjaGQRpany5PUee3fWBoi/bJK85Q pUDxHPkhYGinpSxjNvZxdj1WX5YlsTeeMB1LHHfiFTyBNXNGz/uWpu11SgJu7A== From: Louis Chauvet Date: Sat, 18 Oct 2025 04:01:15 +0200 Subject: [PATCH 15/22] drm/vkms: Introduce configfs for connector type 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: quoted-printable Message-Id: <20251018-vkms-all-config-v1-15-a7760755d92d@bootlin.com> References: <20251018-vkms-all-config-v1-0-a7760755d92d@bootlin.com> In-Reply-To: <20251018-vkms-all-config-v1-0-a7760755d92d@bootlin.com> To: Haneen Mohammed , Simona Vetter , Melissa Wen , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , jose.exposito89@gmail.com, Jonathan Corbet Cc: victoria@system76.com, sebastian.wick@redhat.com, victoria@system76.com, airlied@gmail.com, thomas.petazzoni@bootlin.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Louis Chauvet X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=3281; i=louis.chauvet@bootlin.com; h=from:subject:message-id; bh=UHrEecd+6C0vF0Cs7qQiOFJxWa/yui46MpN97PZb7A4=; b=owEBbQKS/ZANAwAKASCtLsZbECziAcsmYgBo8vT+M3oBga6pCnMTm4riIa8Zm2SKecDtdGm1J 8SlFiQzjjqJAjMEAAEKAB0WIQRPj7g/vng8MQxQWQQgrS7GWxAs4gUCaPL0/gAKCRAgrS7GWxAs 4ipeD/9qQfUEabrEd3JjdVzvcIiD4Tc9szZXhXtoIq3zCo/p769JUny/BTO9BOXwPmSTDuz4Vre omW/7EvBEgaUNtaGaEk+nOYUxTwN+FCQmiPDskpESwrlooYoodg5MaMzra8SpnClHDs0eB3r1f0 OrKH7CciY+q9YiKYVyfGN/60f2LcKyZoUEvHG8ZkVg0L5gWhNA9HG+dnangEx4iH02H3ByIe2ze 4V9Bolx8JYcx5CweajRdT1CgT247Y7En4Cwcak/LFwHqcnbD02LwFdulTZ8gtyaDByVKyZB4xJk XhNsS7EwHDpuBTfQkBBZXCyWq8IFpGzIkrz/bf9iVt+MuJzipxl5neiaZL8t+GGFtEkmTTFChvl JyrLW/WDjf4UCxmzmV55nUSEh6Fg+oGJXcxax0/Fd/blJOLmBd7x3OHVAOwssylgTZxWttd8tt3 9hkKYrGnjvG+OKHB9SGWfKrw0uB2h3wW7MlvHolqEtF/v8xBmeUP0pGzQreNmAV9RHD2V5bRJ7E CFu9zNzWCpsKpU4d6gJnIiI05mSG6gNqk9Chbq+Z+rqb6265kWaaV7VQoIpuHoEfwuOxP0dmYqB yKJh9e813ikUIlFGRL1coIXXZBRo3DvPm2Qd/dAirsrUKvOE2zzfw/oiahEqmoEWZWB8OCM3tFB CprgVBwUXoLMjDg== X-Developer-Key: i=louis.chauvet@bootlin.com; a=openpgp; fpr=8B7104AE9A272D6693F527F2EC1883F55E0B40A5 X-Last-TLS-Session-Version: TLSv1.3 Add a new attribute to connector to change its type. This is mostly cosmetic and don't have direct effect in VKMS behavior. Signed-off-by: Louis Chauvet --- Documentation/gpu/vkms.rst | 3 +- drivers/gpu/drm/vkms/vkms_configfs.c | 64 ++++++++++++++++++++++++++++++++= ++++ 2 files changed, 66 insertions(+), 1 deletion(-) diff --git a/Documentation/gpu/vkms.rst b/Documentation/gpu/vkms.rst index d4ad4af45414..97ea11a86bd1 100644 --- a/Documentation/gpu/vkms.rst +++ b/Documentation/gpu/vkms.rst @@ -135,10 +135,11 @@ Last but not least, create one or more connectors:: =20 sudo mkdir /config/vkms/my-vkms/connectors/connector0 =20 -Connectors have 1 configurable attribute: +Connectors have 2 configurable attribute: =20 - status: Connection status: 1 connected, 2 disconnected, 3 unknown (same = values as those exposed by the "status" property of a connector) +- type: Type of connector. Same values as exposed by the "type" field in d= rm_connector. =20 To finish the configuration, link the different pipeline items:: =20 diff --git a/drivers/gpu/drm/vkms/vkms_configfs.c b/drivers/gpu/drm/vkms/vk= ms_configfs.c index fd1be7292058..0cf7cee4eb0f 100644 --- a/drivers/gpu/drm/vkms/vkms_configfs.c +++ b/drivers/gpu/drm/vkms/vkms_configfs.c @@ -1123,10 +1123,74 @@ static ssize_t connector_status_store(struct config= _item *item, return (ssize_t)count; } =20 +static ssize_t connector_type_show(struct config_item *item, char *page) +{ + struct vkms_configfs_connector *connector; + int type; + + connector =3D connector_item_to_vkms_configfs_connector(item); + + scoped_guard(mutex, &connector->dev->lock) { + type =3D vkms_config_connector_get_type(connector->config); + } + + return sprintf(page, "%u", type); +} + +static ssize_t connector_type_store(struct config_item *item, + const char *page, size_t count) +{ + struct vkms_configfs_connector *connector; + int val, ret; + + connector =3D connector_item_to_vkms_configfs_connector(item); + + ret =3D kstrtouint(page, 10, &val); + + if (ret) + return ret; + + switch (val) { + case DRM_MODE_CONNECTOR_Unknown: + case DRM_MODE_CONNECTOR_VGA: + case DRM_MODE_CONNECTOR_DVII: + case DRM_MODE_CONNECTOR_DVID: + case DRM_MODE_CONNECTOR_DVIA: + case DRM_MODE_CONNECTOR_Composite: + case DRM_MODE_CONNECTOR_SVIDEO: + case DRM_MODE_CONNECTOR_LVDS: + case DRM_MODE_CONNECTOR_Component: + case DRM_MODE_CONNECTOR_9PinDIN: + case DRM_MODE_CONNECTOR_DisplayPort: + case DRM_MODE_CONNECTOR_HDMIA: + case DRM_MODE_CONNECTOR_HDMIB: + case DRM_MODE_CONNECTOR_TV: + case DRM_MODE_CONNECTOR_eDP: + case DRM_MODE_CONNECTOR_VIRTUAL: + case DRM_MODE_CONNECTOR_DSI: + case DRM_MODE_CONNECTOR_DPI: + case DRM_MODE_CONNECTOR_SPI: + case DRM_MODE_CONNECTOR_USB: + break; + default: + return -EINVAL; + } + + scoped_guard(mutex, &connector->dev->lock) { + if (connector->dev->enabled) + return -EINVAL; + vkms_config_connector_set_type(connector->config, val); + } + + return count; +} + CONFIGFS_ATTR(connector_, status); +CONFIGFS_ATTR(connector_, type); =20 static struct configfs_attribute *connector_item_attrs[] =3D { &connector_attr_status, + &connector_attr_type, NULL, }; =20 --=20 2.51.0