tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   15f3bff12cf6a888ec2ad39652828c60e6836b3d
commit: ee47b8db538f7fc4cd550eec1220270df1897e69 [7713/8327] drm/amd/display: clean up some irq service code for dcn201
config: sparc-allyesconfig
compiler: sparc64-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ee47b8db538f7fc4cd550eec1220270df1897e69
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout ee47b8db538f7fc4cd550eec1220270df1897e69
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash

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

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/../display/dc/irq/dcn201/irq_service_dcn201.c:40:20: warning: no previous prototype for 'to_dal_irq_source_dcn201' [-Wmissing-prototypes]
      40 | enum dc_irq_source to_dal_irq_source_dcn201(
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/irq/dcn201/irq_service_dcn201.c:139:43: warning: 'dmub_outbox_irq_info_funcs' defined but not used [-Wunused-const-variable=]
     139 | static const struct irq_source_info_funcs dmub_outbox_irq_info_funcs = {
         |                                           ^~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/to_dal_irq_source_dcn201 +40 drivers/gpu/drm/amd/amdgpu/../display/dc/irq/dcn201/irq_service_dcn201.c

    39	
  > 40	enum dc_irq_source to_dal_irq_source_dcn201(
    41			struct irq_service *irq_service,
    42			uint32_t src_id,
    43			uint32_t ext_id)
    44	{
    45		switch (src_id) {
    46		case DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP:
    47			return DC_IRQ_SOURCE_VBLANK1;
    48		case DCN_1_0__SRCID__DC_D2_OTG_VSTARTUP:
    49			return DC_IRQ_SOURCE_VBLANK2;
    50		case DCN_1_0__SRCID__OTG1_VERTICAL_INTERRUPT0_CONTROL:
    51			return DC_IRQ_SOURCE_DC1_VLINE0;
    52		case DCN_1_0__SRCID__OTG2_VERTICAL_INTERRUPT0_CONTROL:
    53			return DC_IRQ_SOURCE_DC2_VLINE0;
    54		case DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT:
    55			return DC_IRQ_SOURCE_PFLIP1;
    56		case DCN_1_0__SRCID__HUBP1_FLIP_INTERRUPT:
    57			return DC_IRQ_SOURCE_PFLIP2;
    58		case DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
    59			return DC_IRQ_SOURCE_VUPDATE1;
    60		case DCN_1_0__SRCID__OTG1_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
    61			return DC_IRQ_SOURCE_VUPDATE2;
    62		case DCN_1_0__SRCID__DC_HPD1_INT:
    63			/* generic src_id for all HPD and HPDRX interrupts */
    64			switch (ext_id) {
    65			case DCN_1_0__CTXID__DC_HPD1_INT:
    66				return DC_IRQ_SOURCE_HPD1;
    67			case DCN_1_0__CTXID__DC_HPD2_INT:
    68				return DC_IRQ_SOURCE_HPD2;
    69			case DCN_1_0__CTXID__DC_HPD1_RX_INT:
    70				return DC_IRQ_SOURCE_HPD1RX;
    71			case DCN_1_0__CTXID__DC_HPD2_RX_INT:
    72				return DC_IRQ_SOURCE_HPD2RX;
    73			default:
    74				return DC_IRQ_SOURCE_INVALID;
    75			}
    76			break;
    77	
    78		default:
    79			return DC_IRQ_SOURCE_INVALID;
    80		}
    81	}
    82	

-- 
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https://01.org/lkp