[PATCH 04/11] drm/crtc: add interface to reinitialise the legacy mode group

Dave Airlie
2014-05-21T02:54:57Z

This can be called to update things after dynamic connectors/encoders
are created/deleted.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
drivers/gpu/drm/drm_crtc.c | 9 +++++++++
include/drm/drm_crtc.h | 1 +
2 files changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index f1753e6..8bf87a6 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1421,6 +1421,15 @@ int drm_mode_group_init_legacy_group(struct drm_device *dev,
}
EXPORT_SYMBOL(drm_mode_group_init_legacy_group);

+void drm_reinit_primary_mode_group(struct drm_device *dev)
+{
+ drm_modeset_lock_all(dev);
+ drm_mode_group_destroy(&dev->primary->mode_group);
+ drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group);
+ drm_modeset_unlock_all(dev);
+}
+EXPORT_SYMBOL(drm_reinit_primary_mode_group);
+
/**
* drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
* @out: drm_mode_modeinfo struct to return to the user
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index c6b9e8a..55bc523 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -916,6 +916,7 @@ extern const char *drm_get_tv_select_name(int val);
extern void drm_fb_release(struct drm_file *file_priv);
extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
extern void drm_mode_group_destroy(struct drm_mode_group *group);
+extern void drm_reinit_primary_mode_group(struct drm_device *dev);
extern bool drm_probe_ddc(struct i2c_adapter *adapter);
extern struct edid *drm_get_edid(struct drm_connector *connector,
struct i2c_adapter *adapter);
--
1.9.0