Re: [PATCH 2/3] drm: fixup kerneldoc in drm_crtc.h

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On Wed, Oct 29, 2014 at 5:12 AM, Daniel Vetter <daniel.vetter@xxxxxxxx> wrote:
> I've tried to cc all the people who have recently added new stuff
> but forgotten to update documentation.
>
> I've also decided not to bother documenting the massive property list
> in struct drm_mode_config. If that beast keeps on growing we might want
> to extract it into a separate structure which we won't document.
>
> Cc: Thomas Wood <thomas.wood@xxxxxxxxx>
> Cc: Sean Paul <seanpaul@xxxxxxxxxxxx>
> Cc: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>

Reviewed-by: Sean Paul <seanpaul@xxxxxxxxxxxx>

> ---
>  include/drm/drm_crtc.h | 51 +++++++++++++++++++++++++++++++++++---------------
>  1 file changed, 36 insertions(+), 15 deletions(-)
>
> diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
> index 21a15850a4d5..a68e02be7e37 100644
> --- a/include/drm/drm_crtc.h
> +++ b/include/drm/drm_crtc.h
> @@ -231,6 +231,7 @@ struct drm_bridge;
>   * @restore: restore CRTC state
>   * @reset: reset CRTC after state has been invalidated (e.g. resume)
>   * @cursor_set: setup the cursor
> + * @cursor_set2: setup the cursor with hotspot, superseeds @cursor_set if set
>   * @cursor_move: move the cursor
>   * @gamma_set: specify color ramp for CRTC
>   * @destroy: deinit and free object
> @@ -292,11 +293,14 @@ struct drm_crtc_funcs {
>  /**
>   * struct drm_crtc - central CRTC control structure
>   * @dev: parent DRM device
> + * @port: OF node used by drm_of_find_possible_crtcs()
>   * @head: list management
>   * @mutex: per-CRTC locking
>   * @base: base KMS object for ID tracking etc.
>   * @primary: primary plane for this CRTC
>   * @cursor: cursor plane for this CRTC
> + * @cursor_x: current x position of the cursor, used for universal cursor planes
> + * @cursor_y: current y position of the cursor, used for universal cursor planes
>   * @enabled: is this CRTC enabled?
>   * @mode: current mode timings
>   * @hwmode: mode timings as programmed to hw regs
> @@ -309,10 +313,12 @@ struct drm_crtc_funcs {
>   * @gamma_size: size of gamma ramp
>   * @gamma_store: gamma ramp values
>   * @framedur_ns: precise frame timing
> - * @framedur_ns: precise line timing
> + * @linedur_ns: precise line timing
>   * @pixeldur_ns: precise pixel timing
>   * @helper_private: mid-layer private data
>   * @properties: property tracking for this CRTC
> + * @acquire_ctx: per-CRTC implicit acquire context used by atomic drivers for
> + *     legacy ioctls
>   *
>   * Each CRTC may have one or more connectors associated with it.  This structure
>   * allows the CRTC to be controlled.
> @@ -483,6 +489,7 @@ struct drm_encoder {
>   * @connector_type_id: index into connector type enum
>   * @interlace_allowed: can this connector handle interlaced modes?
>   * @doublescan_allowed: can this connector handle doublescan?
> + * @stereo_allowed: can this connector handle stereo modes?
>   * @modes: modes available on this connector (from fill_modes() + user)
>   * @status: one of the drm_connector_status enums (connected, not, or unknown)
>   * @probed_modes: list of modes derived directly from the display
> @@ -490,10 +497,13 @@ struct drm_encoder {
>   * @funcs: connector control functions
>   * @edid_blob_ptr: DRM property containing EDID if present
>   * @properties: property tracking for this connector
> + * @path_blob_ptr: DRM blob property data for the DP MST path property
>   * @polled: a %DRM_CONNECTOR_POLL_<foo> value for core driven polling
>   * @dpms: current dpms state
>   * @helper_private: mid-layer private data
> + * @cmdline_mode: mode line parsed from the kernel cmdline for this connector
>   * @force: a %DRM_FORCE_<foo> state for forced mode sets
> + * @override_edid: has the EDID been overwritten through debugfs for testing?
>   * @encoder_ids: valid encoders for this connector
>   * @encoder: encoder driving this connector, if any
>   * @eld: EDID-like data, if present
> @@ -503,6 +513,8 @@ struct drm_encoder {
>   * @video_latency: video latency info from ELD, if found
>   * @audio_latency: audio latency info from ELD, if found
>   * @null_edid_counter: track sinks that give us all zeros for the EDID
> + * @bad_edid_counter: track sinks that give us an EDID with invalid checksum
> + * @debugfs_entry: debugfs directory for this connector
>   *
>   * Each connector may be connected to one or more CRTCs, or may be clonable by
>   * another connector if they can share a CRTC.  Each connector also has a specific
> @@ -570,6 +582,7 @@ struct drm_connector {
>   * @update_plane: update the plane configuration
>   * @disable_plane: shut down the plane
>   * @destroy: clean up plane resources
> + * @reset: reset plane after state has been invalidated (e.g. resume)
>   * @set_property: called when a property is changed
>   */
>  struct drm_plane_funcs {
> @@ -603,6 +616,8 @@ enum drm_plane_type {
>   * @format_count: number of formats supported
>   * @crtc: currently bound CRTC
>   * @fb: currently bound fb
> + * @old_fb: Temporary tracking of the old fb while a modeset is ongoing. Used by
> + *     drm_mode_set_config_internal() to implement correct refcounting.
>   * @funcs: helper functions
>   * @properties: property tracking for this plane
>   * @type: type of plane (overlay, primary, cursor)
> @@ -620,8 +635,6 @@ struct drm_plane {
>         struct drm_crtc *crtc;
>         struct drm_framebuffer *fb;
>
> -       /* Temporary tracking of the old fb while a modeset is ongoing. Used
> -        * by drm_mode_set_config_internal to implement correct refcounting. */
>         struct drm_framebuffer *old_fb;
>
>         const struct drm_plane_funcs *funcs;
> @@ -680,7 +693,6 @@ struct drm_bridge {
>
>  /**
>   * struct drm_mode_set - new values for a CRTC config change
> - * @head: list management
>   * @fb: framebuffer to use for new config
>   * @crtc: CRTC whose configuration we're about to change
>   * @mode: mode timings to use
> @@ -722,10 +734,11 @@ struct drm_mode_config_funcs {
>  };
>
>  /**
> - * drm_mode_group - group of mode setting resources for potential sub-grouping
> + * struct drm_mode_group - group of mode setting resources for potential sub-grouping
>   * @num_crtcs: CRTC count
>   * @num_encoders: encoder count
>   * @num_connectors: connector count
> + * @num_bridges: bridge count
>   * @id_list: list of KMS object IDs in this group
>   *
>   * Currently this simply tracks the global mode setting state.  But in the
> @@ -745,10 +758,14 @@ struct drm_mode_group {
>  };
>
>  /**
> - * drm_mode_config - Mode configuration control structure
> + * struct drm_mode_config - Mode configuration control structure
>   * @mutex: mutex protecting KMS related lists and structures
> + * @connection_mutex: ww mutex protecting connector state and routing
> + * @acquire_ctx: global implicit acquire context used by atomic drivers for
> + *     legacy ioctls
>   * @idr_mutex: mutex for KMS ID allocation and management
>   * @crtc_idr: main KMS ID tracking object
> + * @fb_lock: mutex to protect fb state and lists
>   * @num_fb: number of fbs available
>   * @fb_list: list of framebuffers available
>   * @num_connector: number of connectors on this device
> @@ -757,17 +774,28 @@ struct drm_mode_group {
>   * @bridge_list: list of bridge objects
>   * @num_encoder: number of encoders on this device
>   * @encoder_list: list of encoder objects
> + * @num_overlay_plane: number of overlay planes on this device
> + * @num_total_plane: number of universal (i.e. with primary/curso) planes on this device
> + * @plane_list: list of plane objects
>   * @num_crtc: number of CRTCs on this device
>   * @crtc_list: list of CRTC objects
> + * @property_list: list of property 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
> + * @poll_enabled: track polling support for this device
> + * @poll_running: track polling status for this device
>   * @output_poll_work: delayed work for polling in process context
> + * @property_blob_list: list of all the blob property objects
>   * @*_property: core property tracking
> + * @preferred_depth: preferred RBG pixel depth, used by fb helpers
> + * @prefer_shadow: hint to userspace to prefer shadow-fb rendering
> + * @async_page_flip: does this device support async flips on the primary plane?
> + * @cursor_width: hint to userspace for max cursor width
> + * @cursor_height: hint to userspace for max cursor height
>   *
>   * Core mode resource tracking structure.  All CRTC, encoders, and connectors
>   * enumerated by the driver are added here, as are global properties.  Some
> @@ -781,14 +809,7 @@ struct drm_mode_config {
>         struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
>         /* this is limited to one for now */
>
> -
> -       /**
> -        * fb_lock - mutex to protect fb state
> -        *
> -        * Besides the global fb list his also protects the fbs list in the
> -        * file_priv
> -        */
> -       struct mutex fb_lock;
> +       struct mutex fb_lock; /* proctects global and per-file fb lists */
>         int num_fb;
>         struct list_head fb_list;
>
> --
> 2.1.1
>
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