drm: add helper to sort panels to the head of the connector list
Userspace seems to like this, see
commit cb0953d734
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: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric 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: Dave Airlie <airlied@gmail.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
parent
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@ -39,6 +39,24 @@
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#include <drm/drm_fb_helper.h>
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#include <drm/drm_edid.h>
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void drm_helper_move_panel_connectors_to_head(struct drm_device *dev)
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{
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struct drm_connector *connector, *tmp;
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struct list_head panel_list;
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INIT_LIST_HEAD(&panel_list);
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list_for_each_entry_safe(connector, tmp,
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&dev->mode_config.connector_list, head) {
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if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS ||
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connector->connector_type == DRM_MODE_CONNECTOR_eDP)
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list_move_tail(&connector->head, &panel_list);
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}
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list_splice(&panel_list, &dev->mode_config.connector_list);
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}
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EXPORT_SYMBOL(drm_helper_move_panel_connectors_to_head);
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static bool drm_kms_helper_poll = true;
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module_param_named(poll, drm_kms_helper_poll, bool, 0600);
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@ -137,6 +137,8 @@ extern bool drm_helper_encoder_in_use(struct drm_encoder *encoder);
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extern void drm_helper_connector_dpms(struct drm_connector *connector, int mode);
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extern void drm_helper_move_panel_connectors_to_head(struct drm_device *);
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extern int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
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struct drm_mode_fb_cmd2 *mode_cmd);
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