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Commit a62c93d5 authored by Jesse Barnes's avatar Jesse Barnes Committed by Dave Airlie
Browse files

drm: document the drm_mode_config structure 



Including a comment about what the locks are for.

Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: default avatarAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent c1aaca23

include/drm/drm_crtc.h

+23 −0
Original line number Diff line number Diff line
@@ -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.) */