Userspace seems to like this, see
commit cb0953d734348e8862d6d7edc666cfb3bf6d8fae
Author: Adam Jackson <ajax at redhat.com>
Date: Fri Jul 16 14:46:29 2010 -0400
drm/i915: Initialize LVDS and eDP outputs before anything else
This makes them sort to the front in X, which makes them likely to be
the primary outputs if you haven't specified a preference in your DE,
which is likely to be what you want.
Signed-off-by: Adam Jackson <ajax at redhat.com>
Signed-off-by: Eric Anholt <eric at anholt.net>
Sorting the connector list after the fact is much easier than trying
to be clever with the init sequence.
Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
drivers/gpu/drm/drm_crtc_helper.c | 18 ++++++++++++++++++
include/drm/drm_crtc_helper.h | 2 ++
2 files changed, 20 insertions(+)
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 1227adf..7105168 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -39,6 +39,24 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_edid.h>
+void drm_helper_move_panel_connectors_to_head(struct drm_device *dev)
+{
+ struct drm_connector *connector, *tmp;
+ struct list_head panel_list;
+
+ INIT_LIST_HEAD(&panel_list);
+
+ list_for_each_entry_safe(connector, tmp,
+ &dev->mode_config.connector_list, head) {
+ if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS ||
+ connector->connector_type == DRM_MODE_CONNECTOR_eDP)
+ list_move_tail(&connector->head, &panel_list);
+ }
+
+ list_splice(&panel_list, &dev->mode_config.connector_list);
+}
+EXPORT_SYMBOL(drm_helper_move_panel_connectors_to_head);
+
static bool drm_kms_helper_poll = true;
module_param_named(poll, drm_kms_helper_poll, bool, 0600);
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index e01cc80..defee28 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -137,6 +137,8 @@ extern bool drm_helper_encoder_in_use(struct drm_encoder *encoder);
extern void drm_helper_connector_dpms(struct drm_connector *connector, int mode);
+extern void drm_helper_move_panel_connectors_to_head(struct drm_device *);
+
extern int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
struct drm_mode_fb_cmd2 *mode_cmd);
--
1.7.11.7
