On Thu, 02 Feb 2017, Shuah Khan <shuahkh@xxxxxxxxxxxxxxx> wrote:
> Change drm_helper_probe_single_connector_modes() to print an error to
> report connector disconnected status instead of a debug message.
>
> When this condition occurs, application doesn't know the real error and
> reports it as driver lacking support for mode setting. Change it to an
> error to make it easier to debug.
Please explain what makes this condition an error. Connectors get
connected and disconnected, business as usual, why should this be an
error?
BR,
Jani.
>
> Signed-off-by: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/drm_probe_helper.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
> index ac953f0..6472b7f 100644
> --- a/drivers/gpu/drm/drm_probe_helper.c
> +++ b/drivers/gpu/drm/drm_probe_helper.c
> @@ -282,8 +282,8 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
> dev->mode_config.poll_running = drm_kms_helper_poll;
>
> if (connector->status == connector_status_disconnected) {
> - DRM_DEBUG_KMS("[CONNECTOR:%d:%s] disconnected\n",
> - connector->base.id, connector->name);
> + DRM_ERROR("[CONNECTOR:%d:%s] disconnected\n",
> + connector->base.id, connector->name);
> drm_mode_connector_update_edid_property(connector, NULL);
> verbose_prune = false;
> goto prune;
--
Jani Nikula, Intel Open Source Technology Center
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