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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>
This commit is contained in:
Jesse Barnes 2011-11-07 12:03:22 -08:00 committed by Dave Airlie
parent c1aaca237c
commit a62c93d5df
1 changed files with 23 additions and 0 deletions
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23
include/drm/drm_crtc.h
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@ -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.) */