Attachment 38265 Details for Bug 29787 – re-spun patch of #29389

[patch] re-spun patch of #29389

radeon_kms_polling.patch (text/plain), 1.97 KB, created by Arno Schuring on 2010-08-29 09:48:48 UTC

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Creator: Arno Schuring

Created: 2010-08-29 09:48:48 UTC

Size: 1.97 KB

patch

obsolete

>diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
>index 7e31d43..560c9df 100644
>--- a/drivers/gpu/drm/drm_crtc_helper.c
>+++ b/drivers/gpu/drm/drm_crtc_helper.c
>@@ -34,6 +34,9 @@
> #include "drm_crtc_helper.h"
> #include "drm_fb_helper.h"
> 
>+static bool drm_kms_helper_poll = true;
>+module_param_named(poll, drm_kms_helper_poll, bool, 0600);
>+
> static void drm_mode_validate_flag(struct drm_connector *connector,
> 				   int flags)
> {
>@@ -99,8 +102,10 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
> 			connector->status = connector_status_disconnected;
> 		if (connector->funcs->force)
> 			connector->funcs->force(connector);
>-	} else
>+	} else {
> 		connector->status = connector->funcs->detect(connector);
>+		drm_helper_hpd_irq_event(dev);
>+	}
> 
> 	if (connector->status == connector_status_disconnected) {
> 		DRM_DEBUG_KMS("[CONNECTOR:%d:%s] disconnected\n",
>@@ -840,6 +845,9 @@ static void output_poll_execute(struct work_struct *work)
> 	enum drm_connector_status old_status, status;
> 	bool repoll = false, changed = false;
> 
>+	if (!drm_kms_helper_poll)
>+		return;
>+
> 	mutex_lock(&dev->mode_config.mutex);
> 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
> 
>@@ -890,6 +898,9 @@ void drm_kms_helper_poll_enable(struct drm_device *dev)
> 	bool poll = false;
> 	struct drm_connector *connector;
> 
>+	if (!dev->mode_config.poll_enabled || !drm_kms_helper_poll)
>+		return;
>+
> 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
> 		if (connector->polled)
> 			poll = true;
>@@ -921,6 +932,7 @@ void drm_helper_hpd_irq_event(struct drm_device *dev)
> 		return;
> 	/* kill timer and schedule immediate execution, this doesn't block */
> 	cancel_delayed_work(&dev->mode_config.output_poll_work);
>-	queue_delayed_work(system_nrt_wq, &dev->mode_config.output_poll_work, 0);
>+	if (drm_kms_helper_poll)
>+		queue_delayed_work(system_nrt_wq, &dev->mode_config.output_poll_work, 0);
> }
> EXPORT_SYMBOL(drm_helper_hpd_irq_event);

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Attachments on bug 29787: 38265 | 38266 | 46971 | 46972

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