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Commit c1aaca23 authored by Jesse Barnes's avatar Jesse Barnes Committed by Dave Airlie
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drm: document the drm_mode_group structure



This is actually a core structure with a big future ahead of it.  Make
it a little less mysterious.

Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 550cebcd
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+13 −0
Original line number Diff line number Diff line
@@ -690,6 +690,19 @@ struct drm_mode_config_funcs {
	void (*output_poll_changed)(struct drm_device *dev);
};

/**
 * drm_mode_group - group of mode setting resources for potential sub-grouping
 * @num_crtcs: CRTC count
 * @num_encoders: encoder count
 * @num_connectors: connector count
 * @id_list: list of KMS object IDs in this group
 *
 * Currently this simply tracks the global mode setting state.  But in the
 * future it could allow groups of objects to be set aside into independent
 * control groups for use by different user level processes (e.g. two X servers
 * running simultaneously on different heads, each with their own mode
 * configuration and freedom of mode setting).
 */
struct drm_mode_group {
	uint32_t num_crtcs;
	uint32_t num_encoders;