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bh=v8thBcBK5C6IbsTmxWfKXHXaUB+CSMrPfQq04FH+0t8=; b=CfAQ1TW0Q1ROrEt6DAiB67Fu3NqfJKA4dqgDSGwgI+P81dIWI2+SbTejTZmtl9QnnZer3Z Tto5f0kfxP06yQw4WhmvmvPBsKTPuov4djrunGrGdcH+ugyCN38trd+AD+KNI8GUF+eVfI Ajitdcm6zkAUn/aODMaY/BAoQd39NU2QnZ3Io1WfOhgySzbUv91viGHlosRJfWrEfOn4mU AwqbNXq2xh0zycFiaD+wIoichtdeQeNXpuEQPJOkiCQBQZ6OPewIPdGW0ieMCFBc7Kv2EQ yNwja6p3YFfwh6PTV1qOIeCtGp2wzRR30wlVOQxKGBMxyAFnAxsI/+FJn1NLAg== From: Louis Chauvet Date: Fri, 22 Nov 2024 18:38:39 +0100 Subject: [PATCH RFC v2 13/16] drm/vkms: Introduce configfs for connector status 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: <20241122-google-config-fs-v2-13-4b7e6f183320@bootlin.com> References: <20241122-google-config-fs-v2-0-4b7e6f183320@bootlin.com> In-Reply-To: <20241122-google-config-fs-v2-0-4b7e6f183320@bootlin.com> To: Rodrigo Siqueira , Melissa Wen , =?utf-8?q?Ma=C3=ADra_Canal?= , Haneen Mohammed , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Simona Vetter Cc: jose.exposito89@gmail.com, dri-devel@lists.freedesktop.org, arthurgrillo@riseup.net, linux-kernel@vger.kernel.org, jeremie.dautheribes@bootlin.com, miquel.raynal@bootlin.com, thomas.petazzoni@bootlin.com, seanpaul@google.com, nicolejadeyee@google.com, Louis Chauvet X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; 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a=openpgp; fpr=8B7104AE9A272D6693F527F2EC1883F55E0B40A5 X-GND-Sasl: louis.chauvet@bootlin.com Signed-off-by: Louis Chauvet --- drivers/gpu/drm/vkms/vkms_configfs.c | 45 ++++++++++++++++++++++++++++++++= ++++ 1 file changed, 45 insertions(+) diff --git a/drivers/gpu/drm/vkms/vkms_configfs.c b/drivers/gpu/drm/vkms/vk= ms_configfs.c index dede56a8a2c1e866734f9c979c76977370907680..6412a8b7b1066f2d3dca1135ebd= 7fbaed84027b6 100644 --- a/drivers/gpu/drm/vkms/vkms_configfs.c +++ b/drivers/gpu/drm/vkms/vkms_configfs.c @@ -981,10 +981,55 @@ static ssize_t connector_type_store(struct config_ite= m *item, return count; } =20 +static ssize_t connector_status_show(struct config_item *item, char *page) +{ + struct vkms_config_connector *connector; + enum drm_connector_status status; + struct vkms_configfs_device *vkms_configfs =3D connector_child_item_to_vk= ms_configfs_device(item); + + mutex_lock(&vkms_configfs->lock); + connector =3D connector_item_to_vkms_configfs_connector(item)->vkms_confi= g_connector; + status =3D connector->status; + mutex_unlock(&vkms_configfs->lock); + + return sprintf(page, "%u", status); +} + +static ssize_t connector_status_store(struct config_item *item, + const char *page, size_t count) +{ + struct vkms_config_connector *connector; + enum drm_connector_status status =3D connector_status_unknown; + struct vkms_configfs_device *vkms_configfs =3D connector_child_item_to_vk= ms_configfs_device(item); + int ret; + + ret =3D kstrtouint(page, 10, &status); + if (ret) + return ret; + + switch (status) { + case connector_status_unknown: + case connector_status_connected: + case connector_status_disconnected: + break; + default: + return -EINVAL; + } + + scoped_guard(mutex, &vkms_configfs->lock) { + connector =3D connector_item_to_vkms_configfs_connector(item)->vkms_conf= ig_connector; + vkms_config_connector_update_status(connector, status); + } + + return count; +} + CONFIGFS_ATTR(connector_, type); +CONFIGFS_ATTR(connector_, status); =20 static struct configfs_attribute *connector_attrs[] =3D { &connector_attr_type, + &connector_attr_status, NULL, }; =20 --=20 2.47.0