Re: [PATCH 3/5] drm/mediatek: Add dvo driver for mt8196

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

Hi Bincai,

kernel test robot noticed the following build errors:

[auto build test ERROR on robh/for-next]
[also build test ERROR on pza/reset/next linus/master v6.15-rc2 next-20250417]
[cannot apply to pza/imx-drm/next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Bincai-Liu/dt-bindings-eDP-mediatek-add-eDP-yaml-for-mt8196/20250418-145911
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20250418065313.8972-4-bincai.liu%40mediatek.com
patch subject: [PATCH 3/5] drm/mediatek: Add dvo driver for mt8196
config: i386-buildonly-randconfig-001-20250419 (https://download.01.org/0day-ci/archive/20250419/202504191549.ufJBsMvZ-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250419/202504191549.ufJBsMvZ-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202504191549.ufJBsMvZ-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

>> drivers/gpu/drm/mediatek/mtk_ddp_comp.c:476:10: error: 'DDP_COMPONENT_DVO0' undeclared here (not in a function); did you mean 'DDP_COMPONENT_OVL0'?
     476 |         [DDP_COMPONENT_DVO0]            = { MTK_DVO,                    0, &ddp_dpi },
         |          ^~~~~~~~~~~~~~~~~~
         |          DDP_COMPONENT_OVL0
>> drivers/gpu/drm/mediatek/mtk_ddp_comp.c:476:10: error: array index in initializer not of integer type
   drivers/gpu/drm/mediatek/mtk_ddp_comp.c:476:10: note: (near initialization for 'mtk_ddp_matches')
--
>> drivers/gpu/drm/mediatek/mtk_dpi.c:201: warning: Function parameter or struct member 'out_np_sel' not described in 'mtk_dpi_conf'
>> drivers/gpu/drm/mediatek/mtk_dpi.c:201: warning: Function parameter or struct member 'dpi_ver' not described in 'mtk_dpi_conf'


vim +476 drivers/gpu/drm/mediatek/mtk_ddp_comp.c

   456	
   457	static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_DRM_ID_MAX] = {
   458		[DDP_COMPONENT_AAL0]		= { MTK_DISP_AAL,		0, &ddp_aal },
   459		[DDP_COMPONENT_AAL1]		= { MTK_DISP_AAL,		1, &ddp_aal },
   460		[DDP_COMPONENT_BLS]		= { MTK_DISP_BLS,		0, NULL },
   461		[DDP_COMPONENT_CCORR]		= { MTK_DISP_CCORR,		0, &ddp_ccorr },
   462		[DDP_COMPONENT_COLOR0]		= { MTK_DISP_COLOR,		0, &ddp_color },
   463		[DDP_COMPONENT_COLOR1]		= { MTK_DISP_COLOR,		1, &ddp_color },
   464		[DDP_COMPONENT_DITHER0]		= { MTK_DISP_DITHER,		0, &ddp_dither },
   465		[DDP_COMPONENT_DP_INTF0]	= { MTK_DP_INTF,		0, &ddp_dpi },
   466		[DDP_COMPONENT_DP_INTF1]	= { MTK_DP_INTF,		1, &ddp_dpi },
   467		[DDP_COMPONENT_DPI0]		= { MTK_DPI,			0, &ddp_dpi },
   468		[DDP_COMPONENT_DPI1]		= { MTK_DPI,			1, &ddp_dpi },
   469		[DDP_COMPONENT_DRM_OVL_ADAPTOR]	= { MTK_DISP_OVL_ADAPTOR,	0, &ddp_ovl_adaptor },
   470		[DDP_COMPONENT_DSC0]		= { MTK_DISP_DSC,		0, &ddp_dsc },
   471		[DDP_COMPONENT_DSC1]		= { MTK_DISP_DSC,		1, &ddp_dsc },
   472		[DDP_COMPONENT_DSI0]		= { MTK_DSI,			0, &ddp_dsi },
   473		[DDP_COMPONENT_DSI1]		= { MTK_DSI,			1, &ddp_dsi },
   474		[DDP_COMPONENT_DSI2]		= { MTK_DSI,			2, &ddp_dsi },
   475		[DDP_COMPONENT_DSI3]		= { MTK_DSI,			3, &ddp_dsi },
 > 476		[DDP_COMPONENT_DVO0]            = { MTK_DVO,                    0, &ddp_dpi },
   477		[DDP_COMPONENT_GAMMA]		= { MTK_DISP_GAMMA,		0, &ddp_gamma },
   478		[DDP_COMPONENT_MERGE0]		= { MTK_DISP_MERGE,		0, &ddp_merge },
   479		[DDP_COMPONENT_MERGE1]		= { MTK_DISP_MERGE,		1, &ddp_merge },
   480		[DDP_COMPONENT_MERGE2]		= { MTK_DISP_MERGE,		2, &ddp_merge },
   481		[DDP_COMPONENT_MERGE3]		= { MTK_DISP_MERGE,		3, &ddp_merge },
   482		[DDP_COMPONENT_MERGE4]		= { MTK_DISP_MERGE,		4, &ddp_merge },
   483		[DDP_COMPONENT_MERGE5]		= { MTK_DISP_MERGE,		5, &ddp_merge },
   484		[DDP_COMPONENT_OD0]		= { MTK_DISP_OD,		0, &ddp_od },
   485		[DDP_COMPONENT_OD1]		= { MTK_DISP_OD,		1, &ddp_od },
   486		[DDP_COMPONENT_OVL0]		= { MTK_DISP_OVL,		0, &ddp_ovl },
   487		[DDP_COMPONENT_OVL1]		= { MTK_DISP_OVL,		1, &ddp_ovl },
   488		[DDP_COMPONENT_OVL_2L0]		= { MTK_DISP_OVL_2L,		0, &ddp_ovl },
   489		[DDP_COMPONENT_OVL_2L1]		= { MTK_DISP_OVL_2L,		1, &ddp_ovl },
   490		[DDP_COMPONENT_OVL_2L2]		= { MTK_DISP_OVL_2L,		2, &ddp_ovl },
   491		[DDP_COMPONENT_POSTMASK0]	= { MTK_DISP_POSTMASK,		0, &ddp_postmask },
   492		[DDP_COMPONENT_PWM0]		= { MTK_DISP_PWM,		0, NULL },
   493		[DDP_COMPONENT_PWM1]		= { MTK_DISP_PWM,		1, NULL },
   494		[DDP_COMPONENT_PWM2]		= { MTK_DISP_PWM,		2, NULL },
   495		[DDP_COMPONENT_RDMA0]		= { MTK_DISP_RDMA,		0, &ddp_rdma },
   496		[DDP_COMPONENT_RDMA1]		= { MTK_DISP_RDMA,		1, &ddp_rdma },
   497		[DDP_COMPONENT_RDMA2]		= { MTK_DISP_RDMA,		2, &ddp_rdma },
   498		[DDP_COMPONENT_RDMA4]		= { MTK_DISP_RDMA,		4, &ddp_rdma },
   499		[DDP_COMPONENT_UFOE]		= { MTK_DISP_UFOE,		0, &ddp_ufoe },
   500		[DDP_COMPONENT_WDMA0]		= { MTK_DISP_WDMA,		0, NULL },
   501		[DDP_COMPONENT_WDMA1]		= { MTK_DISP_WDMA,		1, NULL },
   502	};
   503	

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