Re: [PATCH 12/12] drm/probe-helper: Switch to per-device debugs

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On Thu, 04 Apr 2024, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Switch to per-device debugs so that we know which
> device we're dealing with.

Again see the first handful of patches in the series [1]. It cleans up
the mode printing as well.

BR,
Jani.


[1] https://lore.kernel.org/r/cover.1709843865.git.jani.nikula@xxxxxxxxx


>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/drm_probe_helper.c | 35 ++++++++++++++----------------
>  1 file changed, 16 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
> index 968a3ee66b1e..0860f7367511 100644
> --- a/drivers/gpu/drm/drm_probe_helper.c
> +++ b/drivers/gpu/drm/drm_probe_helper.c
> @@ -567,8 +567,8 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
>  
>  	drm_modeset_acquire_init(&ctx, 0);
>  
> -	DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", connector->base.id,
> -			connector->name);
> +	drm_dbg_kms(dev, "[CONNECTOR:%d:%s]\n",
> +		    connector->base.id, connector->name);
>  
>  retry:
>  	ret = drm_modeset_lock(&dev->mode_config.connection_mutex, &ctx);
> @@ -611,11 +611,10 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
>  	 * check here, and if anything changed start the hotplug code.
>  	 */
>  	if (old_status != connector->status) {
> -		DRM_DEBUG_KMS("[CONNECTOR:%d:%s] status updated from %s to %s\n",
> -			      connector->base.id,
> -			      connector->name,
> -			      drm_get_connector_status_name(old_status),
> -			      drm_get_connector_status_name(connector->status));
> +		drm_dbg_kms(dev, "[CONNECTOR:%d:%s] status updated from %s to %s\n",
> +			    connector->base.id, connector->name,
> +			    drm_get_connector_status_name(old_status),
> +			    drm_get_connector_status_name(connector->status));
>  
>  		/*
>  		 * The hotplug event code might call into the fb
> @@ -638,8 +637,8 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
>  		drm_kms_helper_poll_enable(dev);
>  
>  	if (connector->status == connector_status_disconnected) {
> -		DRM_DEBUG_KMS("[CONNECTOR:%d:%s] disconnected\n",
> -			connector->base.id, connector->name);
> +		drm_dbg_kms(dev, "[CONNECTOR:%d:%s] disconnected\n",
> +			    connector->base.id, connector->name);
>  		drm_connector_update_edid_property(connector, NULL);
>  		drm_mode_prune_invalid(dev, &connector->modes, false);
>  		goto exit;
> @@ -697,8 +696,8 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
>  
>  	drm_mode_sort(&connector->modes);
>  
> -	DRM_DEBUG_KMS("[CONNECTOR:%d:%s] probed modes :\n", connector->base.id,
> -			connector->name);
> +	drm_dbg_kms(dev, "[CONNECTOR:%d:%s] probed modes :\n",
> +		    connector->base.id, connector->name);
>  	list_for_each_entry(mode, &connector->modes, head) {
>  		drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
>  		drm_mode_debug_printmodeline(mode);
> @@ -834,14 +833,12 @@ static void output_poll_execute(struct work_struct *work)
>  			old = drm_get_connector_status_name(old_status);
>  			new = drm_get_connector_status_name(connector->status);
>  
> -			DRM_DEBUG_KMS("[CONNECTOR:%d:%s] "
> -				      "status updated from %s to %s\n",
> -				      connector->base.id,
> -				      connector->name,
> -				      old, new);
> -			DRM_DEBUG_KMS("[CONNECTOR:%d:%s] epoch counter %llu -> %llu\n",
> -				      connector->base.id, connector->name,
> -				      old_epoch_counter, connector->epoch_counter);
> +			drm_dbg_kms(dev, "[CONNECTOR:%d:%s] status updated from %s to %s\n",
> +				    connector->base.id, connector->name,
> +				    old, new);
> +			drm_dbg_kms(dev, "[CONNECTOR:%d:%s] epoch counter %llu -> %llu\n",
> +				    connector->base.id, connector->name,
> +				    old_epoch_counter, connector->epoch_counter);
>  
>  			changed = true;
>  		}

-- 
Jani Nikula, Intel




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