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drm/modeset: add helper to unplug all connectors from sysfs 

In order to get correct ordering at hot-unplug for userspace,
we need to tear down all the sysfs bits at the correct time.

This adds a helper to allow drivers to remove the sysfs nodes
for all connectors.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2012-02-20 14:16:40 +00:00
parent 1828fe6c5f
commit cbc7e22151
2 changed files with 16 additions and 3 deletions
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17
drivers/gpu/drm/drm_crtc.c
View File

@ -540,10 +540,21 @@ void drm_connector_cleanup(struct drm_connector *connector)
}
EXPORT_SYMBOL(drm_connector_cleanup);
void drm_connector_unplug_all(struct drm_device *dev)
{
struct drm_connector *connector;
/* taking the mode config mutex ends up in a clash with sysfs */
list_for_each_entry(connector, &dev->mode_config.connector_list, head)
drm_sysfs_connector_remove(connector);
}
EXPORT_SYMBOL(drm_connector_unplug_all);
int drm_encoder_init(struct drm_device *dev,
struct drm_encoder *encoder,
const struct drm_encoder_funcs *funcs,
int encoder_type)
struct drm_encoder *encoder,
const struct drm_encoder_funcs *funcs,
int encoder_type)
{
int ret;

2
include/drm/drm_crtc.h
View File

@ -826,6 +826,8 @@ extern int drm_connector_init(struct drm_device *dev,
int connector_type);
extern void drm_connector_cleanup(struct drm_connector *connector);
/* helper to unplug all connectors from sysfs for device */
extern void drm_connector_unplug_all(struct drm_device *dev);
extern int drm_encoder_init(struct drm_device *dev,
struct drm_encoder *encoder,