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backend/drm: add wlr_drm_backend_get_parent()

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Allows compositors to figure out whether a DRM backend is
secondary on a multi-GPU setup.
This commit is contained in:
Simon Ser 2023-12-11 17:47:19 +01:00 • committed by Simon Zeni
parent 3531007b75
commit fc7a0b93dd
2 changed files with 10 additions and 0 deletions
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5
include/wlr/backend/drm.h
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@ -43,6 +43,11 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
bool wlr_backend_is_drm(struct wlr_backend *backend);
bool wlr_output_is_drm(struct wlr_output *output);
/**
* Get the parent DRM backend, if any.
*/
struct wlr_backend *wlr_drm_backend_get_parent(struct wlr_backend *backend);
/**
* Get the KMS connector object ID.
*/