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authorJesse Barnes <jbarnes@virtuousgeek.org>2011-11-07 20:03:21 (GMT)
committerDave Airlie <airlied@redhat.com>2011-12-06 10:23:34 (GMT)
commitc1aaca237c6d4d9a60390e69048d1eff1dc7506a (patch)
treea8019ac771c9f6f032e20fbdd6691b4f476789fc /include/drm/drm_crtc.h
parent550cebcdb5bebc655812b631156a162cec908794 (diff)
downloadlinux-c1aaca237c6d4d9a60390e69048d1eff1dc7506a.tar.xz
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 <jbarnes@virtuousgeek.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/drm/drm_crtc.h')
-rw-r--r--include/drm/drm_crtc.h13
1 files changed, 13 insertions, 0 deletions
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;