Commit cfc1a062 authored by Daniel Vetter's avatar Daniel Vetter

drm: add helper to sort panels to the head of the connector list

Userspace seems to like this, see

commit cb0953d7
Author: Adam Jackson <ajax@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: default avatarAdam Jackson <ajax@redhat.com>
Signed-off-by: default avatarEric Anholt <eric@anholt.net>

Sorting the connector list after the fact is much easier than trying
to be clever with the init sequence.
Acked-by: default avatarDave Airlie <airlied@gmail.com>
Reviewed-by: default avatarAdam Jackson <ajax@redhat.com>
Acked-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent ab4d966c
......@@ -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);
......
......@@ -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);
......
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