[Intel-gfx] [PATCH] drm/i915/dp: Add a helper function to return DP link rate index
kbuild test robot
lkp at intel.com
Tue Nov 22 00:11:08 UTC 2016
Hi Manasi,
[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on next-20161117]
[cannot apply to v4.9-rc6]
[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/Manasi-Navare/drm-i915-dp-Add-a-helper-function-to-return-DP-link-rate-index/20161122-073517
base: git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-x000-201647 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
>> drivers/gpu/drm/i915/intel_dp.c:291:12: error: 'intel_dp_link_rate_index' defined but not used [-Werror=unused-function]
static int intel_dp_link_rate_index(struct intel_dp *intel_dp,
^~~~~~~~~~~~~~~~~~~~~~~~
Cyclomatic Complexity 5 include/linux/compiler.h:__read_once_size
Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:ffs
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls64
Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u64
Cyclomatic Complexity 1 include/linux/list.h:INIT_LIST_HEAD
Cyclomatic Complexity 1 include/linux/err.h:ERR_PTR
Cyclomatic Complexity 1 include/linux/err.h:IS_ERR
Cyclomatic Complexity 3 include/linux/err.h:IS_ERR_OR_NULL
Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_read
Cyclomatic Complexity 1 include/asm-generic/getorder.h:__get_order
Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_save_flags
Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:arch_irqs_disabled_flags
Cyclomatic Complexity 1 arch/x86/include/asm/processor.h:rep_nop
Cyclomatic Complexity 1 arch/x86/include/asm/processor.h:cpu_relax
Cyclomatic Complexity 1 include/linux/mutex.h:mutex_is_locked
Cyclomatic Complexity 1 arch/x86/include/asm/preempt.h:preempt_count
Cyclomatic Complexity 1 include/linux/jiffies.h:_msecs_to_jiffies
Cyclomatic Complexity 3 include/linux/jiffies.h:msecs_to_jiffies
Cyclomatic Complexity 1 include/linux/jiffies.h:_usecs_to_jiffies
Cyclomatic Complexity 3 include/linux/jiffies.h:usecs_to_jiffies
Cyclomatic Complexity 2 include/linux/ktime.h:ktime_divns
Cyclomatic Complexity 1 include/linux/ktime.h:ktime_to_ms
Cyclomatic Complexity 1 include/linux/ktime.h:ktime_ms_delta
Cyclomatic Complexity 1 include/linux/timekeeping.h:ktime_get_boottime
Cyclomatic Complexity 1 include/linux/workqueue.h:to_delayed_work
Cyclomatic Complexity 1 include/linux/workqueue.h:__init_work
Cyclomatic Complexity 1 include/linux/workqueue.h:queue_delayed_work
Cyclomatic Complexity 1 include/linux/workqueue.h:schedule_delayed_work
Cyclomatic Complexity 1 include/linux/kasan.h:kasan_kmalloc
Cyclomatic Complexity 28 include/linux/slab.h:kmalloc_index
Cyclomatic Complexity 1 include/linux/slab.h:kmem_cache_alloc_trace
Cyclomatic Complexity 1 include/linux/slab.h:kmalloc_order_trace
Cyclomatic Complexity 68 include/linux/slab.h:kmalloc_large
Cyclomatic Complexity 5 include/linux/slab.h:kmalloc
Cyclomatic Complexity 1 include/linux/slab.h:kzalloc
Cyclomatic Complexity 1 include/linux/ww_mutex.h:ww_mutex_is_locked
Cyclomatic Complexity 1 include/drm/drm_modeset_lock.h:drm_modeset_is_locked
Cyclomatic Complexity 3 include/drm/drmP.h:drm_can_sleep
Cyclomatic Complexity 1 include/drm/drm_modeset_helper_vtables.h:drm_connector_helper_add
Cyclomatic Complexity 1 drivers/gpu/drm/i915/i915_reg.h:i915_mmio_reg_offset
Cyclomatic Complexity 2 drivers/gpu/drm/i915/i915_drv.h:yesno
Cyclomatic Complexity 2 drivers/gpu/drm/i915/i915_drv.h:onoff
Cyclomatic Complexity 1 drivers/gpu/drm/i915/i915_drv.h:to_i915
Cyclomatic Complexity 1 drivers/gpu/drm/i915/i915_drv.h:intel_info
Cyclomatic Complexity 1 drivers/gpu/drm/i915/i915_drv.h:msecs_to_jiffies_timeout
Cyclomatic Complexity 5 drivers/gpu/drm/i915/i915_drv.h:wait_remaining_ms_from_jiffies
Cyclomatic Complexity 1 include/drm/drm_dp_helper.h:drm_dp_max_lane_count
Cyclomatic Complexity 3 include/drm/drm_dp_helper.h:drm_dp_enhanced_frame_cap
Cyclomatic Complexity 3 include/drm/drm_dp_helper.h:drm_dp_tps3_supported
Cyclomatic Complexity 1 include/drm/drm_dp_helper.h:drm_dp_is_branch
Cyclomatic Complexity 1 include/drm/drm_dp_helper.h:drm_dp_dpcd_readb
Cyclomatic Complexity 1 include/drm/drm_dp_helper.h:drm_dp_dpcd_writeb
Cyclomatic Complexity 2 drivers/gpu/drm/i915/intel_drv.h:vlv_pipe_to_channel
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_drv.h:intel_get_crtc_for_pipe
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_drv.h:intel_attached_encoder
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_drv.h:enc_to_dig_port
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_drv.h:enc_to_intel_dp
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_drv.h:dp_to_dig_port
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_drv.h:intel_crtc_has_type
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_drv.h:intel_wait_for_vblank
Cyclomatic Complexity 2 drivers/gpu/drm/i915/intel_drv.h:intel_wait_for_vblank_if_active
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_drv.h:intel_dp_unused_lane_mask
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_dp.c:is_edp
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_dp.c:intel_dp_to_dev
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_dp.c:intel_attached_dp
Cyclomatic Complexity 2 drivers/gpu/drm/i915/intel_dp.c:intel_dp_max_lane_count
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_dp.c:intel_dp_link_required
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_dp.c:intel_dp_max_data_rate
Cyclomatic Complexity 3 drivers/gpu/drm/i915/intel_dp.c:intel_dp_unpack_aux
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_dp.c:vlv_pipe_has_pp_on
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_dp.c:vlv_pipe_has_vdd_on
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_dp.c:vlv_pipe_any
Cyclomatic Complexity 4 drivers/gpu/drm/i915/intel_dp.c:vlv_initial_pps_pipe
Cyclomatic Complexity 2 drivers/gpu/drm/i915/intel_dp.c:g4x_get_aux_clock_divider
Cyclomatic Complexity 3 drivers/gpu/drm/i915/intel_dp.c:ilk_get_aux_clock_divider
Cyclomatic Complexity 5 drivers/gpu/drm/i915/intel_dp.c:hsw_get_aux_clock_divider
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_dp.c:skl_get_aux_clock_divider
Cyclomatic Complexity 5 drivers/gpu/drm/i915/intel_dp.c:g4x_get_aux_send_ctl
Cyclomatic Complexity 2 drivers/gpu/drm/i915/intel_dp.c:skl_get_aux_send_ctl
Cyclomatic Complexity 8 drivers/gpu/drm/i915/intel_dp.c:intel_dp_set_clock
Cyclomatic Complexity 3 drivers/gpu/drm/i915/intel_dp.c:rate_to_index
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_dp.c:wait_backlight_on
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_dp.c:edp_wait_backlight_off
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_dp.c:edp_panel_vdd_schedule_off
Cyclomatic Complexity 7 drivers/gpu/drm/i915/intel_dp.c:gen4_signal_levels
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_dp.c:intel_dp_autotest_link_training
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_dp.c:intel_dp_autotest_video_pattern
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_dp.c:intel_dp_autotest_phy_pattern
Cyclomatic Complexity 1 drivers/gpu/drm/i915/intel_dp.c:intel_dp_init_panel_power_timestamps
Cyclomatic Complexity 3 drivers/gpu/drm/i915/intel_dp.c:intel_dp_max_link_bw
Cyclomatic Complexity 2 drivers/gpu/drm/i915/intel_dp.c:intel_dp_sink_rates
Cyclomatic Complexity 6 drivers/gpu/drm/i915/intel_dp.c:intersect_rates
Cyclomatic Complexity 6 drivers/gpu/drm/i915/intel_dp.c:ibx_digital_port_connected
Cyclomatic Complexity 7 drivers/gpu/drm/i915/intel_dp.c:cpt_digital_port_connected
Cyclomatic Complexity 5 drivers/gpu/drm/i915/intel_dp.c:gm45_digital_port_connected
Cyclomatic Complexity 5 drivers/gpu/drm/i915/intel_dp.c:g4x_digital_port_connected
Cyclomatic Complexity 3 drivers/gpu/drm/i915/intel_dp.c:skl_aux_ctl_reg
vim +/intel_dp_link_rate_index +291 drivers/gpu/drm/i915/intel_dp.c
285
286 return intersect_rates(source_rates, source_len,
287 sink_rates, sink_len,
288 common_rates);
289 }
290
> 291 static int intel_dp_link_rate_index(struct intel_dp *intel_dp,
292 int *common_rates, int link_rate)
293 {
294 int common_len;
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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