Le 07/04/2025 à 10:14, José Expósito a écrit :
> Implement the drm_connector_funcs.detect() callback to update the
> connector status by returning the status stored in the configuration.
>
> Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com>
> ---
> drivers/gpu/drm/vkms/vkms_connector.c | 28 +++++++++++++++++++++++++++
> drivers/gpu/drm/vkms/vkms_connector.h | 3 +++
> 2 files changed, 31 insertions(+)
>
> diff --git a/drivers/gpu/drm/vkms/vkms_connector.c b/drivers/gpu/drm/vkms/vkms_connector.c
> index 48b10cba322a..89fa8d9d739b 100644
> --- a/drivers/gpu/drm/vkms/vkms_connector.c
> +++ b/drivers/gpu/drm/vkms/vkms_connector.c
> @@ -5,9 +5,37 @@
> #include <drm/drm_managed.h>
> #include <drm/drm_probe_helper.h>
>
> +#include "vkms_config.h"
> #include "vkms_connector.h"
>
> +static enum drm_connector_status vkms_connector_detect(struct drm_connector *connector,
> + bool force)
> +{
> + struct drm_device *dev = connector->dev;
> + struct vkms_device *vkmsdev = drm_device_to_vkms_device(dev);
> + struct vkms_connector *vkms_connector;
> + enum drm_connector_status status;
> + struct vkms_config_connector *connector_cfg;
> +
> + vkms_connector = drm_connector_to_vkms_connector(connector);
> +
> + /*
> + * The connector configuration might not exist if its configfs directory
> + * was deleted. Therefore, use the configuration if present or keep the
> + * current status if we can not access it anymore.
> + */
> + status = connector->status;
> +
> + vkms_config_for_each_connector(vkmsdev->config, connector_cfg) {
> + if (connector_cfg->connector == vkms_connector)
> + status = vkms_config_connector_get_status(connector_cfg);
> + }
> +
> + return status;
> +}
> +
> static const struct drm_connector_funcs vkms_connector_funcs = {
> + .detect = vkms_connector_detect,
> .fill_modes = drm_helper_probe_single_connector_modes,
> .reset = drm_atomic_helper_connector_reset,
> .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
> diff --git a/drivers/gpu/drm/vkms/vkms_connector.h b/drivers/gpu/drm/vkms/vkms_connector.h
> index c9149c1b7af0..90f835f70b3b 100644
> --- a/drivers/gpu/drm/vkms/vkms_connector.h
> +++ b/drivers/gpu/drm/vkms/vkms_connector.h
> @@ -5,6 +5,9 @@
>
> #include "vkms_drv.h"
>
> +#define drm_connector_to_vkms_connector(target) \
> + container_of(target, struct vkms_connector, base)
> +
> /**
> * struct vkms_connector - VKMS custom type wrapping around the DRM connector
> *
--
Louis Chauvet, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com