[agd5f:drm-next 231/261] drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:632: warning: expecting prototype for dm_dmub_outbox1_low_irq(). Prototype was for DMUB_TRACE_MAX_READ() instead

[kernel test robot <lkp@intel.com>]

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tree:   https://gitlab.freedesktop.org/agd5f/linux.git drm-next
head:   e4249134371288a3db77690efe145dc7a5a7cdc3
commit: 77a49c458931ff4b8d27b777a58484ecee91a7c8 [231/261] drm/amd/display: Support for DMUB AUX
config: i386-randconfig-m021-20210503 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        git remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git
        git fetch --no-tags agd5f drm-next
        git checkout 77a49c458931ff4b8d27b777a58484ecee91a7c8
        # save the attached .config to linux build tree
        make W=1 W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:610: warning: Function parameter or member 'interrupt_params' not described in 'dm_dcn_vertical_interrupt0_high_irq'
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:632: warning: expecting prototype for dm_dmub_outbox1_low_irq(). Prototype was for DMUB_TRACE_MAX_READ() instead


vim +632 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c

   624	
   625	/**
   626	 * dm_dmub_outbox1_low_irq() - Handles Outbox interrupt
   627	 * @interrupt_params: used for determining the Outbox instance
   628	 *
   629	 * Handles the Outbox Interrupt
   630	 * event handler.
   631	 */
 > 632	#define DMUB_TRACE_MAX_READ 64
   633	static void dm_dmub_outbox1_low_irq(void *interrupt_params)
   634	{
   635		struct dmub_notification notify;
   636		struct common_irq_params *irq_params = interrupt_params;
   637		struct amdgpu_device *adev = irq_params->adev;
   638		struct amdgpu_display_manager *dm = &adev->dm;
   639		struct dmcub_trace_buf_entry entry = { 0 };
   640		uint32_t count = 0;
   641	
   642		if (dc_enable_dmub_notifications(adev->dm.dc)) {
   643			if (irq_params->irq_src == DC_IRQ_SOURCE_DMCUB_OUTBOX) {
   644				do {
   645					dc_stat_get_dmub_notification(adev->dm.dc, &notify);
   646				} while (notify.pending_notification);
   647	
   648				if (adev->dm.dmub_notify)
   649					memcpy(adev->dm.dmub_notify, &notify, sizeof(struct dmub_notification));
   650				if (notify.type == DMUB_NOTIFICATION_AUX_REPLY)
   651					complete(&adev->dm.dmub_aux_transfer_done);
   652				// TODO : HPD Implementation
   653	
   654			} else {
   655				DRM_ERROR("DM: Failed to receive correct outbox IRQ !");
   656			}
   657		}
   658	
   659	
   660		do {
   661			if (dc_dmub_srv_get_dmub_outbox0_msg(dm->dc, &entry)) {
   662				trace_amdgpu_dmub_trace_high_irq(entry.trace_code, entry.tick_count,
   663								entry.param0, entry.param1);
   664	
   665				DRM_DEBUG_DRIVER("trace_code:%u, tick_count:%u, param0:%u, param1:%u\n",
   666					 entry.trace_code, entry.tick_count, entry.param0, entry.param1);
   667			} else
   668				break;
   669	
   670			count++;
   671	
   672		} while (count <= DMUB_TRACE_MAX_READ);
   673	
   674		ASSERT(count <= DMUB_TRACE_MAX_READ);
   675	}
   676	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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