Hi Ramalingam, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on next-20180517] [cannot apply to v4.17-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/Ramalingam-C/drm-i915-Implement-HDCP2-2/20180523-031938 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: i386-randconfig-x000-201820 (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): In file included from include/drm/drm_mm.h:49:0, from include/drm/drmP.h:73, from drivers/gpu//drm/i915/intel_dp.c:36: drivers/gpu//drm/i915/intel_dp.c: In function 'intel_dp_hdcp2_read_rx_status': >> drivers/gpu//drm/i915/intel_dp.c:5396:13: error: format '%ld' expects argument of type 'long int', but argument 2 has type 'ssize_t {aka int}' [-Werror=format=] DRM_ERROR("Read bstatus from DP/AUX failed (%ld)\n", ret); ^ include/drm/drm_print.h:239:10: note: in definition of macro 'DRM_ERROR' drm_err(fmt, ##__VA_ARGS__) ^~~ Cyclomatic Complexity 5 include/linux/compiler.h:__read_once_size Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size Cyclomatic Complexity 1 include/linux/kasan-checks.h:kasan_check_read Cyclomatic Complexity 1 include/linux/kasan-checks.h:kasan_check_write Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:ffs Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u32 Cyclomatic Complexity 3 include/linux/log2.h:is_power_of_2 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:arch_atomic_read Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:arch_atomic_set Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_read Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_set Cyclomatic Complexity 1 include/asm-generic/atomic-long.h:atomic_long_read Cyclomatic Complexity 1 include/linux/lockdep.h:lock_is_held Cyclomatic Complexity 1 include/asm-generic/getorder.h:__get_order Cyclomatic Complexity 1 include/linux/mutex.h:__mutex_owner Cyclomatic Complexity 1 include/linux/mutex.h:mutex_is_locked Cyclomatic Complexity 1 include/linux/jiffies.h:_msecs_to_jiffies Cyclomatic Complexity 3 include/linux/jiffies.h:msecs_to_jiffies Cyclomatic Complexity 3 include/linux/ktime.h:ktime_compare Cyclomatic Complexity 1 include/linux/ktime.h:ktime_after Cyclomatic Complexity 70 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 2 include/linux/workqueue.h:to_delayed_work Cyclomatic Complexity 1 include/linux/workqueue.h:queue_delayed_work Cyclomatic Complexity 1 include/linux/workqueue.h:schedule_delayed_work Cyclomatic Complexity 67 include/linux/slab.h:kmalloc_large Cyclomatic Complexity 3 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 1 include/drm/drm_modeset_helper_vtables.h:drm_connector_helper_add 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 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 1 include/drm/drm_dp_helper.h:drm_dp_has_quirk Cyclomatic Complexity 1 drivers/gpu//drm/i915/i915_reg.h:i915_mmio_reg_offset Cyclomatic Complexity 1 drivers/gpu//drm/i915/i915_reg.h:i915_mmio_reg_equal Cyclomatic Complexity 1 drivers/gpu//drm/i915/i915_reg.h:i915_mmio_reg_valid Cyclomatic Complexity 2 drivers/gpu//drm/i915/i915_utils.h:onoff Cyclomatic Complexity 1 drivers/gpu//drm/i915/intel_uncore.h:intel_wait_for_register Cyclomatic Complexity 2 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 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 2 drivers/gpu//drm/i915/intel_drv.h:intel_attached_encoder Cyclomatic Complexity 6 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 2 drivers/gpu//drm/i915/intel_drv.h:dp_to_dig_port Cyclomatic Complexity 1 drivers/gpu//drm/i915/intel_drv.h:dp_to_lspcon 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_crtc_has_dp_encoder 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:intel_dp_to_dev Cyclomatic Complexity 1 drivers/gpu//drm/i915/intel_dp.c:intel_attached_dp Cyclomatic Complexity 3 drivers/gpu//drm/i915/intel_dp.c:intel_dp_rate_limit_len Cyclomatic Complexity 1 drivers/gpu//drm/i915/intel_dp.c:intel_dp_common_len_rate_limit Cyclomatic Complexity 1 drivers/gpu//drm/i915/intel_dp.c:intel_dp_max_common_rate Cyclomatic Complexity 1 drivers/gpu//drm/i915/intel_dp.c:intel_dp_max_common_lane_count Cyclomatic Complexity 6 drivers/gpu//drm/i915/intel_dp.c:cnl_max_source_rate Cyclomatic Complexity 3 drivers/gpu//drm/i915/intel_dp.c:intel_dp_rate_index 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 6 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 4 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 1 drivers/gpu//drm/i915/intel_dp.c:intel_dp_aux_header Cyclomatic Complexity 9 drivers/gpu//drm/i915/intel_dp.c:intel_dp_set_clock Cyclomatic Complexity 11 drivers/gpu//drm/i915/intel_dp.c:intel_edp_compare_alt_mode 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 4 drivers/gpu//drm/i915/intel_dp.c:downstream_hpd_needs_d0 Cyclomatic Complexity 7 drivers/gpu//drm/i915/intel_dp.c:gen4_signal_levels Cyclomatic Complexity 5 drivers/gpu//drm/i915/intel_dp.c:intel_dp_can_mst Cyclomatic Complexity 1 drivers/gpu//drm/i915/intel_dp.c:intel_dp_get_sink_irq Cyclomatic Complexity 1 drivers/gpu//drm/i915/intel_dp.c:intel_dp_autotest_phy_pattern vim +5396 drivers/gpu//drm/i915/intel_dp.c 5385 5386 static inline 5387 int intel_dp_hdcp2_read_rx_status(struct intel_digital_port *intel_dig_port, 5388 uint8_t *rx_status) 5389 { 5390 ssize_t ret; 5391 5392 ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux, 5393 DP_HDCP_2_2_REG_RXSTATUS_OFFSET, rx_status, 5394 HDCP_2_2_DP_RXSTATUS_LEN); 5395 if (ret != HDCP_2_2_DP_RXSTATUS_LEN) { > 5396 DRM_ERROR("Read bstatus from DP/AUX failed (%ld)\n", ret); 5397 return ret >= 0 ? -EIO : ret; 5398 } 5399 5400 return 0; 5401 } 5402 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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