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backend/drm: fix stack overflow in dealloc_crtc

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Call drm_crtc_commit directly instead of calling drm_connector_set_mode.
This restores the previous behaviour where conn_enable was called [1].

[1]: 0c7c562482/backend/drm/drm.c (L1093)

Closes: https://github.com/swaywm/wlroots/issues/2253
This commit is contained in:
Simon Ser 2020-06-05 17:38:32 +02:00 committed by Drew DeVault
parent 9b85a8b43d
commit e77c046cf9
1 changed files with 6 additions and 1 deletions
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7
backend/drm/drm.c
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@ -1052,7 +1052,12 @@ static void dealloc_crtc(struct wlr_drm_connector *conn) {
wlr_log(WLR_DEBUG, "De-allocating CRTC %zu for output '%s'",
conn->crtc - drm->crtcs, conn->output.name);
drm_connector_set_mode(conn, NULL);
conn->crtc->pending_modeset = true;
conn->crtc->pending.active = false;
if (!drm_crtc_commit(conn, 0)) {
return;
}
drm_plane_finish_surface(conn->crtc->primary);
drm_plane_finish_surface(conn->crtc->cursor);
if (conn->crtc->cursor != NULL) {