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Commit 3d3683f0 authored by Daniel Vetter's avatar Daniel Vetter Committed by Dave Airlie
Browse files

drm: extract drm_kms_helper_hotplug_event 



Useful if drivers want to be slightly more clever about hotplug
handling.

Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent c6eefa17

drivers/gpu/drm/drm_crtc_helper.c

+11 −6
Original line number Diff line number Diff line
@@ -936,6 +936,15 @@ int drm_helper_resume_force_mode(struct drm_device *dev) 
}

EXPORT_SYMBOL(drm_helper_resume_force_mode);



void drm_kms_helper_hotplug_event(struct drm_device *dev)

{

	/* send a uevent + call fbdev */

	drm_sysfs_hotplug_event(dev);

	if (dev->mode_config.funcs->output_poll_changed)

		dev->mode_config.funcs->output_poll_changed(dev);

}

EXPORT_SYMBOL(drm_kms_helper_hotplug_event);



#define DRM_OUTPUT_POLL_PERIOD (10*HZ)

static void output_poll_execute(struct work_struct *work)

{
@@ -978,12 +987,8 @@ static void output_poll_execute(struct work_struct *work) 


	mutex_unlock(&dev->mode_config.mutex);



	if (changed) {

		/* send a uevent + call fbdev */

		drm_sysfs_hotplug_event(dev);

		if (dev->mode_config.funcs->output_poll_changed)

			dev->mode_config.funcs->output_poll_changed(dev);

	}

	if (changed)

		drm_kms_helper_hotplug_event(dev);



	if (repoll)

		schedule_delayed_work(delayed_work, DRM_OUTPUT_POLL_PERIOD);

include/drm/drm_crtc_helper.h

+1 −0
Original line number Diff line number Diff line
@@ -164,6 +164,7 @@ extern int drm_helper_resume_force_mode(struct drm_device *dev); 
extern void drm_kms_helper_poll_init(struct drm_device *dev);

extern void drm_kms_helper_poll_fini(struct drm_device *dev);

extern void drm_helper_hpd_irq_event(struct drm_device *dev);

extern void drm_kms_helper_hotplug_event(struct drm_device *dev);



extern void drm_kms_helper_poll_disable(struct drm_device *dev);

extern void drm_kms_helper_poll_enable(struct drm_device *dev);