From c1aaca237c6d4d9a60390e69048d1eff1dc7506a Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Mon, 7 Nov 2011 12:03:21 -0800 Subject: [PATCH] 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: Jesse Barnes Signed-off-by: Dave Airlie --- include/drm/drm_crtc.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 671e3c3..2f8a4ac 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -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; -- 2.7.4