[Intel-gfx] [PATCH v6 3/7] drm/i915: introduce and use i915_gem_object_vmap_range()
kbuild test robot
lkp at intel.com
Mon Feb 29 22:20:24 UTC 2016
Hi Alex,
[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on v4.5-rc6 next-20160229]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Dave-Gordon/Reorganise-calls-to-vmap-GEM-objects/20160301-052138
base: git://anongit.freedesktop.org/drm-intel for-linux-next
reproduce: make htmldocs
All warnings (new ones prefixed by >>):
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'tv_select_subconnector_property'
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'tv_mode_property'
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'tv_left_margin_property'
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'tv_right_margin_property'
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'tv_top_margin_property'
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'tv_bottom_margin_property'
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'tv_brightness_property'
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'tv_contrast_property'
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'tv_flicker_reduction_property'
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'tv_overscan_property'
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'tv_saturation_property'
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'tv_hue_property'
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'scaling_mode_property'
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'aspect_ratio_property'
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'dirty_info_property'
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'suggested_x_property'
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'suggested_y_property'
include/drm/drm_crtc.h:2144: warning: No description found for parameter 'allow_fb_modifiers'
include/drm/drm_dp_helper.h:749: warning: No description found for parameter 'i2c_nack_count'
include/drm/drm_dp_helper.h:749: warning: No description found for parameter 'i2c_defer_count'
drivers/gpu/drm/drm_dp_mst_topology.c:2364: 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:2364: warning: No description found for parameter 'connector'
drivers/gpu/drm/drm_irq.c:176: 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:362: warning: cannot understand function prototype: 'struct drm_lock_data '
include/drm/drmP.h:415: warning: cannot understand function prototype: 'struct drm_driver '
include/drm/drmP.h:672: warning: cannot understand function prototype: 'struct drm_info_list '
include/drm/drmP.h:682: warning: cannot understand function prototype: 'struct drm_info_node '
include/drm/drmP.h:692: warning: cannot understand function prototype: 'struct drm_minor '
include/drm/drmP.h:740: warning: cannot understand function prototype: 'struct drm_device '
drivers/gpu/drm/i915/intel_runtime_pm.c:2286: warning: No description found for parameter 'resume'
drivers/gpu/drm/i915/intel_runtime_pm.c:2286: warning: No description found for parameter 'resume'
drivers/gpu/drm/i915/i915_irq.c:2665: warning: No description found for parameter 'wedged'
drivers/gpu/drm/i915/i915_irq.c:2665: warning: No description found for parameter 'fmt'
drivers/gpu/drm/i915/i915_irq.c:2665: warning: No description found for parameter 'wedged'
drivers/gpu/drm/i915/i915_irq.c:2665: warning: No description found for parameter 'fmt'
drivers/gpu/drm/i915/i915_irq.c:2665: warning: No description found for parameter 'wedged'
drivers/gpu/drm/i915/i915_irq.c:2665: warning: No description found for parameter 'fmt'
drivers/gpu/drm/i915/i915_irq.c:2665: warning: No description found for parameter 'wedged'
drivers/gpu/drm/i915/i915_irq.c:2665: 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:1245: warning: No description found for parameter 'rps'
drivers/gpu/drm/i915/i915_gem.c:1461: warning: No description found for parameter 'req'
drivers/gpu/drm/i915/i915_gem.c:1496: warning: No description found for parameter 'obj'
drivers/gpu/drm/i915/i915_gem.c:1496: warning: No description found for parameter 'readonly'
drivers/gpu/drm/i915/i915_gem.c:1619: warning: No description found for parameter 'dev'
drivers/gpu/drm/i915/i915_gem.c:1619: warning: No description found for parameter 'data'
drivers/gpu/drm/i915/i915_gem.c:1619: warning: No description found for parameter 'file'
drivers/gpu/drm/i915/i915_gem.c:1682: warning: No description found for parameter 'dev'
drivers/gpu/drm/i915/i915_gem.c:1682: warning: No description found for parameter 'data'
drivers/gpu/drm/i915/i915_gem.c:1682: warning: No description found for parameter 'file'
drivers/gpu/drm/i915/i915_gem.c:1727: warning: No description found for parameter 'dev'
drivers/gpu/drm/i915/i915_gem.c:1727: warning: No description found for parameter 'data'
drivers/gpu/drm/i915/i915_gem.c:1727: warning: No description found for parameter 'file'
drivers/gpu/drm/i915/i915_gem.c:2015: warning: No description found for parameter 'dev'
drivers/gpu/drm/i915/i915_gem.c:2015: warning: No description found for parameter 'size'
drivers/gpu/drm/i915/i915_gem.c:2015: warning: No description found for parameter 'tiling_mode'
drivers/gpu/drm/i915/i915_gem.c:2015: warning: No description found for parameter 'fenced'
drivers/gpu/drm/i915/i915_gem.c:2015: warning: Excess function parameter 'obj' description in 'i915_gem_get_gtt_alignment'
>> drivers/gpu/drm/i915/i915_gem.c:2420: warning: No description found for parameter 'nbytes'
>> drivers/gpu/drm/i915/i915_gem.c:2420: warning: Excess function parameter 'len' description in 'i915_gem_object_vmap_range'
drivers/gpu/drm/i915/i915_gem.c:2972: warning: No description found for parameter 'ring'
drivers/gpu/drm/i915/i915_gem.c:3103: warning: No description found for parameter 'obj'
drivers/gpu/drm/i915/i915_gem.c:3153: warning: No description found for parameter 'dev'
drivers/gpu/drm/i915/i915_gem.c:3153: warning: No description found for parameter 'data'
drivers/gpu/drm/i915/i915_gem.c:3153: warning: No description found for parameter 'file'
drivers/gpu/drm/i915/i915_gem.c:3153: warning: Excess function parameter 'DRM_IOCTL_ARGS' description in 'i915_gem_wait_ioctl'
drivers/gpu/drm/i915/i915_gem.c:3525: warning: No description found for parameter 'obj'
drivers/gpu/drm/i915/i915_gem.c:3525: warning: No description found for parameter 'vm'
drivers/gpu/drm/i915/i915_gem.c:3525: warning: No description found for parameter 'ggtt_view'
drivers/gpu/drm/i915/i915_gem.c:3525: warning: No description found for parameter 'alignment'
drivers/gpu/drm/i915/i915_gem.c:3525: warning: No description found for parameter 'flags'
drivers/gpu/drm/i915/i915_gem.c:3780: warning: No description found for parameter 'obj'
drivers/gpu/drm/i915/i915_gem.c:3780: warning: No description found for parameter 'write'
drivers/gpu/drm/i915/i915_gem.c:3855: warning: No description found for parameter 'obj'
drivers/gpu/drm/i915/i915_gem.c:3855: warning: No description found for parameter 'cache_level'
drivers/gpu/drm/i915/i915_gem.c:4129: warning: No description found for parameter 'obj'
drivers/gpu/drm/i915/i915_gem.c:4129: warning: No description found for parameter 'write'
drivers/gpu/drm/i915/intel_lrc.c:936: warning: No description found for parameter 'params'
drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'dev' description in 'intel_execlists_submission'
drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'file' description in 'intel_execlists_submission'
drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'ring' description in 'intel_execlists_submission'
drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'ctx' description in 'intel_execlists_submission'
drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'batch_obj' description in 'intel_execlists_submission'
drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'exec_start' description in 'intel_execlists_submission'
drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'dispatch_flags' description in 'intel_execlists_submission'
drivers/gpu/drm/i915/intel_lrc.c:936: warning: No description found for parameter 'params'
drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'dev' description in 'intel_execlists_submission'
drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'file' description in 'intel_execlists_submission'
drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'ring' description in 'intel_execlists_submission'
drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'ctx' description in 'intel_execlists_submission'
drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'batch_obj' description in 'intel_execlists_submission'
drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'exec_start' description in 'intel_execlists_submission'
drivers/gpu/drm/i915/intel_lrc.c:936: warning: Excess function parameter 'dispatch_flags' description in 'intel_execlists_submission'
Warning: didn't use docs for i915_hotplug_interrupt_update
Warning: didn't use docs for ilk_update_display_irq
Warning: didn't use docs for ilk_update_gt_irq
Warning: didn't use docs for snb_update_pm_irq
Warning: didn't use docs for bdw_update_port_irq
Warning: didn't use docs for bdw_update_pipe_irq
Warning: didn't use docs for ibx_display_interrupt_update
Warning: didn't use docs for i915_enable_asle_pipestat
Warning: didn't use docs for ivybridge_parity_work
Warning: didn't use docs for i915_reset_and_wakeup
Warning: didn't use docs for i915_handle_error
Warning: didn't use docs for intel_irq_install
Warning: didn't use docs for intel_irq_uninstall
vim +/nbytes +2420 drivers/gpu/drm/i915/i915_gem.c
2404 * i915_gem_object_vmap_range - map some or all of a GEM object into kernel space
2405 * @obj: the GEM object to be mapped
2406 * @start: offset in bytes of the start of the range to be mapped
2407 * @len: length in bytes of the range to be mapped
2408 *
2409 * Map a given range of a GEM object into kernel virtual space. The range will
2410 * be extended at both ends, if necessary, to span a whole number of pages. The
2411 * caller must make sure the associated pages are gathered and pinned before
2412 * calling this function, and is responsible for unmapping the returned address
2413 * when it is no longer required.
2414 *
2415 * Returns the address at which the object has been mapped, or NULL on failure.
2416 */
2417 void *i915_gem_object_vmap_range(struct drm_i915_gem_object *obj,
2418 unsigned long start,
2419 unsigned long nbytes)
> 2420 {
2421 struct scatterlist *sg = obj->pages->sgl;
2422 struct sg_page_iter sg_iter;
2423 struct page **pages;
2424 unsigned long first, npages, i;
2425 int nents;
2426 void *addr;
2427
2428 /* Check requested range against underlying sg list */
---
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