From: Pekka Paalanen <pekka.paala...@collabora.co.uk>

Let drm_output_enable() remove the CRTC and the connector from the
unused id arrays.

In the future when a list of drm_heads supersedes unused_connectors
array, the usedness of a connector will be determined by the enabled
state of the output the connector (head) is attached to. The enabled
state is turned on by drm_output_enable(). If unused_crtcs array was
still updated in drm_output_repaint(), the CRTC and connector usedness
would be tracked in different places. Logically the two belong together.

Signed-off-by: Pekka Paalanen <pekka.paala...@collabora.co.uk>
---
 libweston/compositor-drm.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/libweston/compositor-drm.c b/libweston/compositor-drm.c
index ebf9a4ab..9efb61ae 100644
--- a/libweston/compositor-drm.c
+++ b/libweston/compositor-drm.c
@@ -2380,7 +2380,6 @@ drm_output_repaint(struct weston_output *output_base,
 {
        struct drm_pending_state *pending_state = repaint_data;
        struct drm_output *output = to_drm_output(output_base);
-       struct drm_backend *backend = to_drm_backend(output_base->compositor);
        struct drm_output_state *state = NULL;
        struct drm_plane_state *scanout_state;
 
@@ -2405,10 +2404,6 @@ drm_output_repaint(struct weston_output *output_base,
        if (!scanout_state || !scanout_state->fb)
                goto err;
 
-       wl_array_remove_uint32(&backend->unused_connectors,
-                              output->connector_id);
-       wl_array_remove_uint32(&backend->unused_crtcs, output->crtc_id);
-
        return 0;
 
 err:
@@ -4626,6 +4621,9 @@ drm_output_enable(struct weston_output *base)
                                      &output->scanout_plane->base,
                                      &b->compositor->primary_plane);
 
+       wl_array_remove_uint32(&b->unused_connectors, output->connector_id);
+       wl_array_remove_uint32(&b->unused_crtcs, output->crtc_id);
+
        weston_log("Output %s, (connector %d, crtc %d)\n",
                   output->base.name, output->connector_id, output->crtc_id);
        wl_list_for_each(m, &output->base.mode_list, link)
-- 
2.13.6

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