Re: [Intel-gfx] [PATCH 1/2] drm: Add infrastructure for CRTC background color property

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Hi Matt,

[auto build test WARNING on drm/drm-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url:    https://github.com/0day-ci/linux/commits/Matt-Roper/CRTC-background-color-support-for-i915/20151023-082852
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/i915/i915_irq.c:2582: warning: No description found for parameter 'wedged'
   drivers/gpu/drm/i915/i915_irq.c:2582: warning: No description found for parameter 'fmt'
>> include/drm/drm_crtc.h:267: warning: cannot understand function prototype: 'typedef struct '
   include/drm/drm_crtc.h:353: warning: No description found for parameter 'mode_blob'
   include/drm/drm_crtc.h:780: warning: No description found for parameter 'tile_blob_ptr'
   include/drm/drm_crtc.h:819: warning: No description found for parameter 'rotation'
   include/drm/drm_crtc.h:915: warning: No description found for parameter 'mutex'
   include/drm/drm_crtc.h:915: warning: No description found for parameter 'helper_private'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'tile_idr'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'delayed_event'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'edid_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'dpms_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'path_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'tile_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'plane_type_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'rotation_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'prop_src_x'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'prop_src_y'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'prop_src_w'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'prop_src_h'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'prop_crtc_x'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'prop_crtc_y'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'prop_crtc_w'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'prop_crtc_h'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'prop_fb_id'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'prop_crtc_id'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'prop_active'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'prop_mode_id'
>> include/drm/drm_crtc.h:1203: warning: No description found for parameter 'prop_background_color'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'dvi_i_subconnector_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'dvi_i_select_subconnector_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'tv_subconnector_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'tv_select_subconnector_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'tv_mode_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'tv_left_margin_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'tv_right_margin_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'tv_top_margin_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'tv_bottom_margin_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'tv_brightness_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'tv_contrast_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'tv_flicker_reduction_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'tv_overscan_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'tv_saturation_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'tv_hue_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'scaling_mode_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'aspect_ratio_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'dirty_info_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'suggested_x_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'suggested_y_property'
   include/drm/drm_crtc.h:1203: warning: No description found for parameter 'allow_fb_modifiers'
   include/drm/drm_fb_helper.h:148: warning: No description found for parameter 'connector_info'
   include/drm/drm_dp_helper.h:713: warning: No description found for parameter 'i2c_nack_count'
   include/drm/drm_dp_helper.h:713: warning: No description found for parameter 'i2c_defer_count'
   drivers/gpu/drm/drm_dp_mst_topology.c:2227: warning: No description found for parameter 'connector'
   include/drm/drm_dp_mst_helper.h:97: warning: No description found for parameter 'cached_edid'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'max_dpcd_transaction_bytes'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'sink_count'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'total_slots'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'avail_slots'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'total_pbn'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'qlock'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'tx_msg_downq'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'tx_msg_upq'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'tx_down_in_progress'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'tx_up_in_progress'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'payload_lock'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'proposed_vcpis'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'payloads'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'payload_mask'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'vcpi_mask'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'tx_waitq'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'work'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'tx_work'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'destroy_connector_list'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'destroy_connector_lock'
   include/drm/drm_dp_mst_helper.h:471: warning: No description found for parameter 'destroy_connector_work'
   drivers/gpu/drm/drm_dp_mst_topology.c:2227: warning: No description found for parameter 'connector'
   drivers/gpu/drm/drm_irq.c:173: warning: No description found for parameter 'flags'
   include/drm/drmP.h:168: warning: No description found for parameter 'fmt'
   include/drm/drmP.h:184: warning: No description found for parameter 'fmt'
   include/drm/drmP.h:202: warning: No description found for parameter 'fmt'
   include/drm/drmP.h:247: warning: No description found for parameter 'dev'
   include/drm/drmP.h:247: warning: No description found for parameter 'data'
   include/drm/drmP.h:247: warning: No description found for parameter 'file_priv'
   include/drm/drmP.h:280: warning: No description found for parameter 'ioctl'
   include/drm/drmP.h:280: warning: No description found for parameter '_func'
   include/drm/drmP.h:280: warning: No description found for parameter '_flags'
   include/drm/drmP.h:353: warning: cannot understand function prototype: 'struct drm_lock_data '
   include/drm/drmP.h:406: warning: cannot understand function prototype: 'struct drm_driver '
   include/drm/drmP.h:656: warning: cannot understand function prototype: 'struct drm_info_list '
   include/drm/drmP.h:666: warning: cannot understand function prototype: 'struct drm_info_node '
   include/drm/drmP.h:676: warning: cannot understand function prototype: 'struct drm_minor '
   include/drm/drmP.h:724: warning: cannot understand function prototype: 'struct drm_device '
   drivers/gpu/drm/i915/i915_irq.c:2582: warning: No description found for parameter 'wedged'
   drivers/gpu/drm/i915/i915_irq.c:2582: warning: No description found for parameter 'fmt'
   drivers/gpu/drm/i915/i915_irq.c:2582: warning: No description found for parameter 'wedged'
   drivers/gpu/drm/i915/i915_irq.c:2582: warning: No description found for parameter 'fmt'
   drivers/gpu/drm/i915/i915_irq.c:2582: warning: No description found for parameter 'wedged'
   drivers/gpu/drm/i915/i915_irq.c:2582: warning: No description found for parameter 'fmt'
   drivers/gpu/drm/i915/i915_irq.c:2582: warning: No description found for parameter 'wedged'
   drivers/gpu/drm/i915/i915_irq.c:2582: warning: No description found for parameter 'fmt'
   drivers/gpu/drm/i915/i915_gem.c:421: warning: No description found for parameter 'dev'
   drivers/gpu/drm/i915/i915_gem.c:421: warning: No description found for parameter 'data'
   drivers/gpu/drm/i915/i915_gem.c:421: warning: No description found for parameter 'file'
   drivers/gpu/drm/i915/i915_gem.c:686: warning: No description found for parameter 'dev'
   drivers/gpu/drm/i915/i915_gem.c:686: warning: No description found for parameter 'data'
   drivers/gpu/drm/i915/i915_gem.c:686: warning: No description found for parameter 'file'
   drivers/gpu/drm/i915/i915_gem.c:767: warning: No description found for parameter 'dev'
   drivers/gpu/drm/i915/i915_gem.c:767: warning: No description found for parameter 'obj'
   drivers/gpu/drm/i915/i915_gem.c:767: warning: No description found for parameter 'args'
   drivers/gpu/drm/i915/i915_gem.c:767: warning: No description found for parameter 'file'
   drivers/gpu/drm/i915/i915_gem.c:1029: warning: No description found for parameter 'dev'
   drivers/gpu/drm/i915/i915_gem.c:1029: warning: No description found for parameter 'data'
   drivers/gpu/drm/i915/i915_gem.c:1029: warning: No description found for parameter 'file'
   drivers/gpu/drm/i915/i915_gem.c:1194: warning: No description found for parameter 'rps'
   drivers/gpu/drm/i915/i915_gem.c:1400: warning: No description found for parameter 'req'
   drivers/gpu/drm/i915/i915_gem.c:1435: warning: No description found for parameter 'obj'
   drivers/gpu/drm/i915/i915_gem.c:1435: warning: No description found for parameter 'readonly'
   drivers/gpu/drm/i915/i915_gem.c:1558: warning: No description found for parameter 'dev'
   drivers/gpu/drm/i915/i915_gem.c:1558: warning: No description found for parameter 'data'
   drivers/gpu/drm/i915/i915_gem.c:1558: warning: No description found for parameter 'file'
   drivers/gpu/drm/i915/i915_gem.c:1621: warning: No description found for parameter 'dev'
   drivers/gpu/drm/i915/i915_gem.c:1621: warning: No description found for parameter 'data'
   drivers/gpu/drm/i915/i915_gem.c:1621: warning: No description found for parameter 'file'
   drivers/gpu/drm/i915/i915_gem.c:1666: warning: No description found for parameter 'dev'
   drivers/gpu/drm/i915/i915_gem.c:1666: warning: No description found for parameter 'data'
   drivers/gpu/drm/i915/i915_gem.c:1666: warning: No description found for parameter 'file'
   drivers/gpu/drm/i915/i915_gem.c:1954: warning: No description found for parameter 'dev'
   drivers/gpu/drm/i915/i915_gem.c:1954: warning: No description found for parameter 'size'

vim +267 include/drm/drm_crtc.h

   251	struct drm_atomic_state;
   252	
   253	/**
   254	 * drm_rgba_t - RGBA property value type
   255	 *
   256	 * Structure to abstract away the representation of RGBA values with precision
   257	 * up to 16 bits per color component.  This is primarily intended for use with
   258	 * DRM properties that need to take a color value since we don't want userspace
   259	 * to have to worry about the bit layout expected by the underlying hardware.
   260	 *
   261	 * We wrap the value in a structure here so that the compiler will flag any
   262	 * accidental attempts by driver code to directly attempt bitwise operations
   263	 * that could potentially misinterpret the value.  Drivers should instead use
   264	 * the DRM_RGBA_{RED,GREEN,BLUE,ALPHA}BITS() macros to obtain the component
   265	 * bits and then build values in the format their hardware expects.
   266	 */
 > 267	typedef struct {
   268		uint64_t v;
   269	} drm_rgba_t;
   270	
   271	static inline uint16_t
   272	drm_rgba_bits(drm_rgba_t c, unsigned compshift, unsigned bits) {
   273		uint64_t val;
   274	
   275		if (WARN_ON(bits > 16))

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

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