Re: [PATCH] drm: Don't prepare or cleanup unchanging frame buffers [v2]

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Hi,

[auto build test WARNING on v4.7-rc7]
[cannot apply to drm/drm-next next-20160729]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Keith-Packard/drm-Don-t-prepare-or-cleanup-unchanging-frame-buffers-v2/20160731-161116
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/i915/i915_irq.c:2722: warning: No description found for parameter 'fmt'
   include/drm/drm_crtc.h:374: warning: No description found for parameter 'mode_blob'
   include/drm/drm_crtc.h:789: warning: No description found for parameter 'name'
   include/drm/drm_crtc.h:1248: warning: No description found for parameter 'connector_id'
   include/drm/drm_crtc.h:1248: warning: No description found for parameter 'tile_blob_ptr'
   include/drm/drm_crtc.h:1287: warning: No description found for parameter 'rotation'
   include/drm/drm_crtc.h:1550: warning: No description found for parameter 'name'
   include/drm/drm_crtc.h:1550: warning: No description found for parameter 'mutex'
>> include/drm/drm_crtc.h:1550: warning: No description found for parameter 'prepared'
   include/drm/drm_crtc.h:1550: warning: No description found for parameter 'helper_private'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'tile_idr'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'connector_ida'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'delayed_event'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'edid_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'dpms_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'path_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'tile_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'plane_type_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'rotation_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'prop_src_x'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'prop_src_y'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'prop_src_w'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'prop_src_h'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'prop_crtc_x'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'prop_crtc_y'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'prop_crtc_w'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'prop_crtc_h'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'prop_fb_id'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'prop_crtc_id'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'prop_active'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'prop_mode_id'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'dvi_i_subconnector_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'dvi_i_select_subconnector_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'tv_subconnector_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'tv_select_subconnector_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'tv_mode_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'tv_left_margin_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'tv_right_margin_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'tv_top_margin_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'tv_bottom_margin_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'tv_brightness_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'tv_contrast_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'tv_flicker_reduction_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'tv_overscan_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'tv_saturation_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'tv_hue_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'scaling_mode_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'aspect_ratio_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'dirty_info_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'suggested_x_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'suggested_y_property'
   include/drm/drm_crtc.h:2186: warning: No description found for parameter 'allow_fb_modifiers'
   drivers/gpu/drm/drm_atomic_helper.c:1147: warning: No description found for parameter 'nonblock'
   drivers/gpu/drm/drm_atomic_helper.c:1147: warning: Excess function parameter 'nonblocking' description in 'drm_atomic_helper_commit'
   drivers/gpu/drm/drm_atomic_helper.c:2946: warning: No description found for parameter 'start'
   drivers/gpu/drm/drm_atomic_helper.c:1147: warning: No description found for parameter 'nonblock'
   drivers/gpu/drm/drm_atomic_helper.c:1147: warning: Excess function parameter 'nonblocking' description in 'drm_atomic_helper_commit'
   drivers/gpu/drm/drm_atomic_helper.c:2946: warning: No description found for parameter 'start'
   drivers/gpu/drm/drm_atomic_helper.c:1: warning: no structured comments found
       Was looking for 'implementing async commit'.
   drivers/gpu/drm/drm_atomic_helper.c:1147: warning: No description found for parameter 'nonblock'
   drivers/gpu/drm/drm_atomic_helper.c:1147: warning: Excess function parameter 'nonblocking' description in 'drm_atomic_helper_commit'
   drivers/gpu/drm/drm_atomic_helper.c:2946: warning: No description found for parameter 'start'
   drivers/gpu/drm/drm_atomic_helper.c:1147: warning: No description found for parameter 'nonblock'
   drivers/gpu/drm/drm_atomic_helper.c:1147: warning: Excess function parameter 'nonblocking' description in 'drm_atomic_helper_commit'
   drivers/gpu/drm/drm_atomic_helper.c:2946: warning: No description found for parameter 'start'
   drivers/gpu/drm/drm_fb_cma_helper.c:173: warning: No description found for parameter 'dev'
   drivers/gpu/drm/drm_fb_cma_helper.c:173: warning: No description found for parameter 'file_priv'
   drivers/gpu/drm/drm_fb_cma_helper.c:173: warning: No description found for parameter 'mode_cmd'
   drivers/gpu/drm/drm_fb_cma_helper.c:173: warning: No description found for parameter 'funcs'
   drivers/gpu/drm/drm_fb_cma_helper.c:233: warning: No description found for parameter 'dev'
   drivers/gpu/drm/drm_fb_cma_helper.c:233: warning: No description found for parameter 'file_priv'
   drivers/gpu/drm/drm_fb_cma_helper.c:233: warning: No description found for parameter 'mode_cmd'
   drivers/gpu/drm/drm_fb_cma_helper.c:285: warning: No description found for parameter 'm'
   drivers/gpu/drm/drm_fb_cma_helper.c:285: warning: No description found for parameter 'arg'
   drivers/gpu/drm/drm_fb_cma_helper.c:173: warning: No description found for parameter 'dev'
   drivers/gpu/drm/drm_fb_cma_helper.c:173: warning: No description found for parameter 'file_priv'
   drivers/gpu/drm/drm_fb_cma_helper.c:173: warning: No description found for parameter 'mode_cmd'
   drivers/gpu/drm/drm_fb_cma_helper.c:173: warning: No description found for parameter 'funcs'
   drivers/gpu/drm/drm_fb_cma_helper.c:233: warning: No description found for parameter 'dev'
   drivers/gpu/drm/drm_fb_cma_helper.c:233: warning: No description found for parameter 'file_priv'
   drivers/gpu/drm/drm_fb_cma_helper.c:233: warning: No description found for parameter 'mode_cmd'
   drivers/gpu/drm/drm_fb_cma_helper.c:285: warning: No description found for parameter 'm'
   drivers/gpu/drm/drm_fb_cma_helper.c:285: warning: No description found for parameter 'arg'
   include/drm/drm_dp_helper.h:750: warning: No description found for parameter 'i2c_nack_count'
   include/drm/drm_dp_helper.h:750: warning: No description found for parameter 'i2c_defer_count'
   drivers/gpu/drm/drm_dp_mst_topology.c:2383: warning: No description found for parameter 'connector'
   include/drm/drm_dp_mst_helper.h:92: warning: No description found for parameter 'cached_edid'
   include/drm/drm_dp_mst_helper.h:92: warning: No description found for parameter 'has_audio'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'max_dpcd_transaction_bytes'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'sink_count'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'total_slots'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'avail_slots'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'total_pbn'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'qlock'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'tx_msg_downq'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'tx_down_in_progress'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'payload_lock'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'proposed_vcpis'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'payloads'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'payload_mask'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'vcpi_mask'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'tx_waitq'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'work'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'tx_work'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'destroy_connector_list'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'destroy_connector_lock'
   include/drm/drm_dp_mst_helper.h:466: warning: No description found for parameter 'destroy_connector_work'
   drivers/gpu/drm/drm_dp_mst_topology.c:2383: warning: No description found for parameter 'connector'

vim +/prepared +1550 include/drm/drm_crtc.h

c0db650a Keith Packard 2016-07-31  1534  	bool prepared;
8cf5c917 Jesse Barnes  2011-11-14  1535  
8cf5c917 Jesse Barnes  2011-11-14  1536  	struct drm_crtc *crtc;
8cf5c917 Jesse Barnes  2011-11-14  1537  	struct drm_framebuffer *fb;
8cf5c917 Jesse Barnes  2011-11-14  1538  
3d30a59b Daniel Vetter 2014-07-27  1539  	struct drm_framebuffer *old_fb;
3d30a59b Daniel Vetter 2014-07-27  1540  
8cf5c917 Jesse Barnes  2011-11-14  1541  	const struct drm_plane_funcs *funcs;
4d93914a Rob Clark     2012-05-17  1542  
4d93914a Rob Clark     2012-05-17  1543  	struct drm_object_properties properties;
e27dde3e Matt Roper    2014-04-01  1544  
e27dde3e Matt Roper    2014-04-01  1545  	enum drm_plane_type type;
144ecb97 Daniel Vetter 2014-10-27  1546  
4490d4c7 Daniel Vetter 2015-12-04  1547  	const struct drm_plane_helper_funcs *helper_private;
c2fcd274 Daniel Vetter 2014-11-05  1548  
144ecb97 Daniel Vetter 2014-10-27  1549  	struct drm_plane_state *state;
8cf5c917 Jesse Barnes  2011-11-14 @1550  };
8cf5c917 Jesse Barnes  2011-11-14  1551  
8cf5c917 Jesse Barnes  2011-11-14  1552  /**
3bf0401c Daniel Vetter 2014-10-27  1553   * struct drm_bridge_funcs - drm_bridge control functions
3d3f8b1f Ajay Kumar    2015-01-20  1554   * @attach: Called during drm_bridge_attach
3b336ec4 Sean Paul     2013-08-14  1555   */
3b336ec4 Sean Paul     2013-08-14  1556  struct drm_bridge_funcs {
3d3f8b1f Ajay Kumar    2015-01-20  1557  	int (*attach)(struct drm_bridge *bridge);
da024fe5 Daniel Vetter 2015-12-04  1558  

:::::: The code at line 1550 was first introduced by commit
:::::: 8cf5c9177151537e73ff1816540e4ba24b174391 drm: add plane support v3

:::::: TO: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
:::::: CC: Dave Airlie <airlied@xxxxxxxxxx>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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