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authorDave Airlie <airlied@redhat.com>2014-06-05 14:01:29 +1000
committerDave Airlie <airlied@redhat.com>2014-07-08 11:39:04 +1000
commit2390cd11bfbe8d2b1b28c4e0f01fe7e122f7196d (patch)
tree4ad036c2d84d86465bde21bdce1ec66862660396 /drivers/gpu/drm/drm_crtc.c
parent40377ef2d9a3ddc8ba4aee11393fb207e82111e1 (diff)
downloadop-kernel-dev-2390cd11bfbe8d2b1b28c4e0f01fe7e122f7196d.zip
op-kernel-dev-2390cd11bfbe8d2b1b28c4e0f01fe7e122f7196d.tar.gz
drm/crtc: add interface to reinitialise the legacy mode group
This can be called to update things after dynamic connectors/encoders are created/deleted. Reviewed-by: Todd Previte <tprevite@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
-rw-r--r--drivers/gpu/drm/drm_crtc.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 7db6251..f939b05 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1513,6 +1513,15 @@ 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
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