[Intel-gfx] [PATCH 3/3] drm/dp/mst: Track available time slots in DP Multi-Stream Transport Packet
kbuild test robot
lkp at intel.com
Fri Nov 18 05:53:11 UTC 2016
Hi Dhinakaran,
[auto build test WARNING on drm/drm-next]
[also build test WARNING on v4.9-rc5 next-20161117]
[cannot apply to drm-intel/for-linux-next]
[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/Dhinakaran-Pandiyan/Track-available-link-bandwidth-for-DP-MST/20161118-101200
base: git://people.freedesktop.org/~airlied/linux.git drm-next
reproduce: make htmldocs; make DOCBOOKS='' pdfdocs
All warnings (new ones prefixed by >>):
make[3]: warning: jobserver unavailable: using -j1. Add '+' to parent make rule.
include/linux/init.h:1: warning: no structured comments found
include/linux/workqueue.h:392: warning: No description found for parameter '...'
include/linux/workqueue.h:392: warning: Excess function parameter 'args' description in 'alloc_workqueue'
include/linux/workqueue.h:413: warning: No description found for parameter '...'
include/linux/workqueue.h:413: warning: Excess function parameter 'args' description in 'alloc_ordered_workqueue'
include/linux/kthread.h:26: warning: No description found for parameter '...'
kernel/sys.c:1: warning: no structured comments found
drivers/dma-buf/seqno-fence.c:1: warning: no structured comments found
include/sound/core.h:324: warning: No description found for parameter '...'
include/sound/core.h:335: warning: No description found for parameter '...'
include/sound/core.h:388: warning: No description found for parameter '...'
include/drm/drm_drv.h:295: warning: Incorrect use of kernel-doc format: * Hook for allocating the GEM object struct, for use by core
include/drm/drm_drv.h:407: warning: No description found for parameter 'load'
include/drm/drm_drv.h:407: warning: No description found for parameter 'firstopen'
include/drm/drm_drv.h:407: warning: No description found for parameter 'open'
include/drm/drm_drv.h:407: warning: No description found for parameter 'preclose'
include/drm/drm_drv.h:407: warning: No description found for parameter 'postclose'
include/drm/drm_drv.h:407: warning: No description found for parameter 'lastclose'
include/drm/drm_drv.h:407: warning: No description found for parameter 'unload'
include/drm/drm_drv.h:407: warning: No description found for parameter 'dma_ioctl'
include/drm/drm_drv.h:407: warning: No description found for parameter 'dma_quiescent'
include/drm/drm_drv.h:407: warning: No description found for parameter 'context_dtor'
include/drm/drm_drv.h:407: warning: No description found for parameter 'set_busid'
include/drm/drm_drv.h:407: warning: No description found for parameter 'irq_handler'
include/drm/drm_drv.h:407: warning: No description found for parameter 'irq_preinstall'
include/drm/drm_drv.h:407: warning: No description found for parameter 'irq_postinstall'
include/drm/drm_drv.h:407: warning: No description found for parameter 'irq_uninstall'
include/drm/drm_drv.h:407: warning: No description found for parameter 'debugfs_init'
include/drm/drm_drv.h:407: warning: No description found for parameter 'debugfs_cleanup'
include/drm/drm_drv.h:407: warning: No description found for parameter 'gem_open_object'
include/drm/drm_drv.h:407: warning: No description found for parameter 'gem_close_object'
include/drm/drm_drv.h:407: warning: No description found for parameter 'gem_create_object'
include/drm/drm_drv.h:407: warning: No description found for parameter 'prime_handle_to_fd'
include/drm/drm_drv.h:407: warning: No description found for parameter 'prime_fd_to_handle'
include/drm/drm_drv.h:407: warning: No description found for parameter 'gem_prime_export'
include/drm/drm_drv.h:407: warning: No description found for parameter 'gem_prime_import'
include/drm/drm_drv.h:407: warning: No description found for parameter 'gem_prime_pin'
include/drm/drm_drv.h:407: warning: No description found for parameter 'gem_prime_unpin'
include/drm/drm_drv.h:407: warning: No description found for parameter 'gem_prime_res_obj'
include/drm/drm_drv.h:407: warning: No description found for parameter 'gem_prime_get_sg_table'
include/drm/drm_drv.h:407: warning: No description found for parameter 'gem_prime_import_sg_table'
include/drm/drm_drv.h:407: warning: No description found for parameter 'gem_prime_vmap'
include/drm/drm_drv.h:407: warning: No description found for parameter 'gem_prime_vunmap'
include/drm/drm_drv.h:407: warning: No description found for parameter 'gem_prime_mmap'
include/drm/drm_drv.h:407: warning: No description found for parameter 'vgaarb_irq'
include/drm/drm_drv.h:407: warning: No description found for parameter 'gem_vm_ops'
include/drm/drm_drv.h:407: warning: No description found for parameter 'major'
include/drm/drm_drv.h:407: warning: No description found for parameter 'minor'
include/drm/drm_drv.h:407: warning: No description found for parameter 'patchlevel'
include/drm/drm_drv.h:407: warning: No description found for parameter 'name'
include/drm/drm_drv.h:407: warning: No description found for parameter 'desc'
include/drm/drm_drv.h:407: warning: No description found for parameter 'date'
include/drm/drm_drv.h:407: warning: No description found for parameter 'driver_features'
include/drm/drm_drv.h:407: warning: No description found for parameter 'dev_priv_size'
include/drm/drm_drv.h:407: warning: No description found for parameter 'ioctls'
include/drm/drm_drv.h:407: warning: No description found for parameter 'num_ioctls'
include/drm/drm_drv.h:407: warning: No description found for parameter 'fops'
include/drm/drm_drv.h:407: warning: No description found for parameter 'legacy_dev_list'
>> drivers/gpu/drm/drm_dp_mst_topology.c:2474: warning: No description found for parameter 'port'
drivers/gpu/drm/drm_dp_mst_topology.c:2475: warning: No description found for parameter 'port'
Error: Cannot open file drivers/gpu/drm/i915/i915_gem_fence_reg.c
Error: Cannot open file drivers/gpu/drm/i915/i915_gem_fence_reg.c
WARNING: kernel-doc 'scripts/kernel-doc -rst -enable-lineno -internal drivers/gpu/drm/i915/i915_gem_fence_reg.c' failed with return code 2
Error: Cannot open file drivers/gpu/drm/i915/i915_gem_fence_reg.c
WARNING: kernel-doc 'scripts/kernel-doc -rst -enable-lineno -function fence register handling drivers/gpu/drm/i915/i915_gem_fence_reg.c' failed with return code 1
Error: Cannot open file drivers/gpu/drm/i915/i915_gem_fence_reg.c
WARNING: kernel-doc 'scripts/kernel-doc -rst -enable-lineno -function tiling swizzling details drivers/gpu/drm/i915/i915_gem_fence_reg.c' failed with return code 1
include/media/media-entity.h:1054: warning: No description found for parameter '...'
include/net/mac80211.h:3207: ERROR: Unexpected indentation.
include/net/mac80211.h:3210: WARNING: Block quote ends without a blank line; unexpected unindent.
include/net/mac80211.h:3212: ERROR: Unexpected indentation.
include/net/mac80211.h:3213: WARNING: Block quote ends without a blank line; unexpected unindent.
include/net/mac80211.h:1772: ERROR: Unexpected indentation.
include/net/mac80211.h:1776: WARNING: Block quote ends without a blank line; unexpected unindent.
kernel/sched/fair.c:7259: WARNING: Inline emphasis start-string without end-string.
kernel/time/timer.c:1240: ERROR: Unexpected indentation.
kernel/time/timer.c:1242: ERROR: Unexpected indentation.
kernel/time/timer.c:1243: WARNING: Block quote ends without a blank line; unexpected unindent.
include/linux/wait.h:121: WARNING: Block quote ends without a blank line; unexpected unindent.
include/linux/wait.h:124: ERROR: Unexpected indentation.
include/linux/wait.h:126: WARNING: Block quote ends without a blank line; unexpected unindent.
kernel/time/hrtimer.c:1021: WARNING: Block quote ends without a blank line; unexpected unindent.
kernel/signal.c:317: WARNING: Inline literal start-string without end-string.
drivers/base/firmware_class.c:1348: WARNING: Bullet list ends without a blank line; unexpected unindent.
drivers/message/fusion/mptbase.c:5054: WARNING: Definition list ends without a blank line; unexpected unindent.
drivers/tty/serial/serial_core.c:1893: WARNING: Definition list ends without a blank line; unexpected unindent.
include/linux/spi/spi.h:369: ERROR: Unexpected indentation.
WARNING: dvipng command 'dvipng' cannot be run (needed for math display), check the imgmath_dvipng setting
vim +/port +2474 drivers/gpu/drm/drm_dp_mst_topology.c
8ae22cb4 Dave Airlie 2016-02-17 2458 edid = drm_get_edid(connector, &port->aux.ddc);
8ae22cb4 Dave Airlie 2016-02-17 2459 drm_mode_connector_set_tile_property(connector);
8ae22cb4 Dave Airlie 2016-02-17 2460 }
ef8f9bea Libin Yang 2015-12-02 2461 port->has_audio = drm_detect_monitor_audio(edid);
ad7f8a1f Dave Airlie 2014-06-05 2462 drm_dp_put_port(port);
ad7f8a1f Dave Airlie 2014-06-05 2463 return edid;
ad7f8a1f Dave Airlie 2014-06-05 2464 }
ad7f8a1f Dave Airlie 2014-06-05 2465 EXPORT_SYMBOL(drm_dp_mst_get_edid);
ad7f8a1f Dave Airlie 2014-06-05 2466
ad7f8a1f Dave Airlie 2014-06-05 2467 /**
ad7f8a1f Dave Airlie 2014-06-05 2468 * drm_dp_find_vcpi_slots() - find slots for this PBN value
ad7f8a1f Dave Airlie 2014-06-05 2469 * @mgr: manager to use
ad7f8a1f Dave Airlie 2014-06-05 2470 * @pbn: payload bandwidth to convert into slots.
ad7f8a1f Dave Airlie 2014-06-05 2471 */
ad7f8a1f Dave Airlie 2014-06-05 2472 int drm_dp_find_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr,
af2a61e3 Dhinakaran Pandiyan 2016-11-17 2473 struct drm_dp_mst_port *port, int pbn)
ad7f8a1f Dave Airlie 2014-06-05 @2474 {
af2a61e3 Dhinakaran Pandiyan 2016-11-17 2475 int req_slots, curr_slots, new_slots, ret;
af2a61e3 Dhinakaran Pandiyan 2016-11-17 2476
af2a61e3 Dhinakaran Pandiyan 2016-11-17 2477 req_slots = DIV_ROUND_UP(pbn, mgr->pbn_div);
af2a61e3 Dhinakaran Pandiyan 2016-11-17 2478 curr_slots = drm_dp_mst_get_vcpi_slots(mgr, port);
ad7f8a1f Dave Airlie 2014-06-05 2479
af2a61e3 Dhinakaran Pandiyan 2016-11-17 2480 if (req_slots <= curr_slots)
af2a61e3 Dhinakaran Pandiyan 2016-11-17 2481 return req_slots;
ad7f8a1f Dave Airlie 2014-06-05 2482
:::::: The code at line 2474 was first introduced by commit
:::::: ad7f8a1f9ced7f049f9b66d588723f243a7034cd drm/helper: add Displayport multi-stream helper (v0.6)
:::::: TO: Dave Airlie <airlied at redhat.com>
:::::: CC: Dave Airlie <airlied at redhat.com>
---
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