From 3d3683f04a32da16df71e3b089da8f5a13059ef4 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue, 23 Oct 2012 18:23:32 +0000
Subject: [PATCH] drm: extract drm_kms_helper_hotplug_event
Useful if drivers want to be slightly more clever about hotplug
handling.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
drivers/gpu/drm/drm_crtc_helper.c | 17 +++++++++++------
include/drm/drm_crtc_helper.h | 1 +
2 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index b04cf5332599..760a67534c6c 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -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);
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index defee28f6b95..f43d556bf40b 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -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);
--
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