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drm: Convert all helpers to drm_connector_list_iter

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Mostly nothing special (except making sure that really all error paths
and friends call iter_put).

v2: Don't forget the raw connector_list walking in
drm_helper_move_panel_connectors_to_head. That one unfortunately can't
be converted to the iterator helpers, but since it's just some list
splicing best to just wrap the entire thing up in one critical
section.

v3: Bail out after iter_put (Harry).

Cc: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161215155843.13408-1-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter
2016-12-15 16:58:43 +01:00
parent 613051dac4
commit c36a3254f7
6 changed files with 92 additions and 33 deletions
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2
drivers/gpu/drm/drm_modeset_helper.c
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@@ -48,6 +48,7 @@ void drm_helper_move_panel_connectors_to_head(struct drm_device *dev)
INIT_LIST_HEAD(&panel_list);
spin_lock_irq(&dev->mode_config.connector_list_lock);
list_for_each_entry_safe(connector, tmp,
&dev->mode_config.connector_list, head) {
if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS ||
@@ -57,6 +58,7 @@ void drm_helper_move_panel_connectors_to_head(struct drm_device *dev)
}
list_splice(&panel_list, &dev->mode_config.connector_list);
spin_unlock_irq(&dev->mode_config.connector_list_lock);
}
EXPORT_SYMBOL(drm_helper_move_panel_connectors_to_head);