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authorJesse Barnes <jbarnes@virtuousgeek.org>2011-11-07 12:03:22 -0800
committerDave Airlie <airlied@redhat.com>2011-12-06 10:23:35 +0000
commita62c93d5df1695535afa1413f6496adc219a196e (patch)
tree82b959a4f635b8a39832305c1f26ed5f0babaab2 /include/drm
parentc1aaca237c6d4d9a60390e69048d1eff1dc7506a (diff)
downloadop-kernel-dev-a62c93d5df1695535afa1413f6496adc219a196e.zip
op-kernel-dev-a62c93d5df1695535afa1413f6496adc219a196e.tar.gz
drm: document the drm_mode_config structure
Including a comment about what the locks are for. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Reviewed-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/drm_crtc.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 2f8a4ac..dd55727 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -714,7 +714,30 @@ struct drm_mode_group {
/**
* drm_mode_config - Mode configuration control structure
+ * @mutex: mutex protecting KMS related lists and structures
+ * @idr_mutex: mutex for KMS ID allocation and management
+ * @crtc_idr: main KMS ID tracking object
+ * @num_fb: number of fbs available
+ * @fb_list: list of framebuffers available
+ * @num_connector: number of connectors on this device
+ * @connector_list: list of connector objects
+ * @num_encoder: number of encoders on this device
+ * @encoder_list: list of encoder objects
+ * @num_crtc: number of CRTCs on this device
+ * @crtc_list: list of CRTC objects
+ * @min_width: minimum pixel width on this device
+ * @min_height: minimum pixel height on this device
+ * @max_width: maximum pixel width on this device
+ * @max_height: maximum pixel height on this device
+ * @funcs: core driver provided mode setting functions
+ * @fb_base: base address of the framebuffer
+ * @poll_enabled: track polling status for this device
+ * @output_poll_work: delayed work for polling in process context
+ * @*_property: core property tracking
*
+ * Core mode resource tracking structure. All CRTC, encoders, and connectors
+ * enumerated by the driver are added here, as are global properties. Some
+ * global restrictions are also here, e.g. dimension restrictions.
*/
struct drm_mode_config {
struct mutex mutex; /* protects configuration (mode lists etc.) */
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