[PATCH v4 6/6] drm/mediatek: Add TDSHP component support for MT8196

kernel test robot lkp at intel.com
Sat Mar 28 13:08:47 PDT 2026


Hi Jay,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on drm/drm-next pza/reset/next linus/master v7.0-rc5 next-20260327]
[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/Jay-Liu/dt-bindings-display-mediatek-gamma-Add-support-for-MT8196/20260328-083359
base:   https://gitlab.freedesktop.org/drm/misc/kernel.git drm-misc-next
patch link:    https://lore.kernel.org/r/20260324125315.4715-7-jay.liu%40mediatek.com
patch subject: [PATCH v4 6/6] drm/mediatek: Add TDSHP component support for MT8196
config: arm64-defconfig (https://download.01.org/0day-ci/archive/20260329/202603290406.4CTuDfmw-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260329/202603290406.4CTuDfmw-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603290406.4CTuDfmw-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/gpu/drm/mediatek/mtk_ddp_comp.c:509:10: error: 'DDP_COMPONENT_CCORR0' undeclared here (not in a function); did you mean 'DDP_COMPONENT_CCORR'?
     509 |         [DDP_COMPONENT_CCORR0]          = { MTK_DISP_CCORR,             0, &ddp_ccorr },
         |          ^~~~~~~~~~~~~~~~~~~~
         |          DDP_COMPONENT_CCORR
   drivers/gpu/drm/mediatek/mtk_ddp_comp.c:509:10: error: array index in initializer not of integer type
   drivers/gpu/drm/mediatek/mtk_ddp_comp.c:509:10: note: (near initialization for 'mtk_ddp_matches')
   drivers/gpu/drm/mediatek/mtk_ddp_comp.c:510:10: error: 'DDP_COMPONENT_CCORR1' undeclared here (not in a function); did you mean 'DDP_COMPONENT_CCORR'?
     510 |         [DDP_COMPONENT_CCORR1]          = { MTK_DISP_CCORR,             1, &ddp_ccorr },
         |          ^~~~~~~~~~~~~~~~~~~~
         |          DDP_COMPONENT_CCORR
   drivers/gpu/drm/mediatek/mtk_ddp_comp.c:510:10: error: array index in initializer not of integer type
   drivers/gpu/drm/mediatek/mtk_ddp_comp.c:510:10: note: (near initialization for 'mtk_ddp_matches')
   drivers/gpu/drm/mediatek/mtk_ddp_comp.c:511:43: warning: initialized field overwritten [-Woverride-init]
     511 |         [DDP_COMPONENT_COLOR0]          = { MTK_DISP_COLOR,             0, &ddp_color },
         |                                           ^
   drivers/gpu/drm/mediatek/mtk_ddp_comp.c:511:43: note: (near initialization for 'mtk_ddp_matches[4]')
>> drivers/gpu/drm/mediatek/mtk_ddp_comp.c:547:10: error: 'DDP_COMPONENT_TDSHP0' undeclared here (not in a function); did you mean 'DDP_COMPONENT_DSI0'?
     547 |         [DDP_COMPONENT_TDSHP0]          = { MTK_DISP_TDSHP,             0, &ddp_tdshp },
         |          ^~~~~~~~~~~~~~~~~~~~
         |          DDP_COMPONENT_DSI0
   drivers/gpu/drm/mediatek/mtk_ddp_comp.c:547:10: error: array index in initializer not of integer type
   drivers/gpu/drm/mediatek/mtk_ddp_comp.c:547:10: note: (near initialization for 'mtk_ddp_matches')
   drivers/gpu/drm/mediatek/mtk_ddp_comp.c:548:43: warning: initialized field overwritten [-Woverride-init]
     548 |         [DDP_COMPONENT_UFOE]            = { MTK_DISP_UFOE,              0, &ddp_ufoe },
         |                                           ^
   drivers/gpu/drm/mediatek/mtk_ddp_comp.c:548:43: note: (near initialization for 'mtk_ddp_matches[57]')


vim +547 drivers/gpu/drm/mediatek/mtk_ddp_comp.c

   504	
   505	static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_DRM_ID_MAX] = {
   506		[DDP_COMPONENT_AAL0]		= { MTK_DISP_AAL,		0, &ddp_aal },
   507		[DDP_COMPONENT_AAL1]		= { MTK_DISP_AAL,		1, &ddp_aal },
   508		[DDP_COMPONENT_BLS]		= { MTK_DISP_BLS,		0, NULL },
   509		[DDP_COMPONENT_CCORR0]		= { MTK_DISP_CCORR,		0, &ddp_ccorr },
 > 510		[DDP_COMPONENT_CCORR1]		= { MTK_DISP_CCORR,		1, &ddp_ccorr },
   511		[DDP_COMPONENT_COLOR0]		= { MTK_DISP_COLOR,		0, &ddp_color },
   512		[DDP_COMPONENT_COLOR1]		= { MTK_DISP_COLOR,		1, &ddp_color },
   513		[DDP_COMPONENT_DITHER0]		= { MTK_DISP_DITHER,		0, &ddp_dither },
   514		[DDP_COMPONENT_DP_INTF0]	= { MTK_DP_INTF,		0, &ddp_dpi },
   515		[DDP_COMPONENT_DP_INTF1]	= { MTK_DP_INTF,		1, &ddp_dpi },
   516		[DDP_COMPONENT_DPI0]		= { MTK_DPI,			0, &ddp_dpi },
   517		[DDP_COMPONENT_DPI1]		= { MTK_DPI,			1, &ddp_dpi },
   518		[DDP_COMPONENT_DRM_OVL_ADAPTOR]	= { MTK_DISP_OVL_ADAPTOR,	0, &ddp_ovl_adaptor },
   519		[DDP_COMPONENT_DSC0]		= { MTK_DISP_DSC,		0, &ddp_dsc },
   520		[DDP_COMPONENT_DSC1]		= { MTK_DISP_DSC,		1, &ddp_dsc },
   521		[DDP_COMPONENT_DSI0]		= { MTK_DSI,			0, &ddp_dsi },
   522		[DDP_COMPONENT_DSI1]		= { MTK_DSI,			1, &ddp_dsi },
   523		[DDP_COMPONENT_DSI2]		= { MTK_DSI,			2, &ddp_dsi },
   524		[DDP_COMPONENT_DSI3]		= { MTK_DSI,			3, &ddp_dsi },
   525		[DDP_COMPONENT_GAMMA]		= { MTK_DISP_GAMMA,		0, &ddp_gamma },
   526		[DDP_COMPONENT_MERGE0]		= { MTK_DISP_MERGE,		0, &ddp_merge },
   527		[DDP_COMPONENT_MERGE1]		= { MTK_DISP_MERGE,		1, &ddp_merge },
   528		[DDP_COMPONENT_MERGE2]		= { MTK_DISP_MERGE,		2, &ddp_merge },
   529		[DDP_COMPONENT_MERGE3]		= { MTK_DISP_MERGE,		3, &ddp_merge },
   530		[DDP_COMPONENT_MERGE4]		= { MTK_DISP_MERGE,		4, &ddp_merge },
   531		[DDP_COMPONENT_MERGE5]		= { MTK_DISP_MERGE,		5, &ddp_merge },
   532		[DDP_COMPONENT_OD0]		= { MTK_DISP_OD,		0, &ddp_od },
   533		[DDP_COMPONENT_OD1]		= { MTK_DISP_OD,		1, &ddp_od },
   534		[DDP_COMPONENT_OVL0]		= { MTK_DISP_OVL,		0, &ddp_ovl },
   535		[DDP_COMPONENT_OVL1]		= { MTK_DISP_OVL,		1, &ddp_ovl },
   536		[DDP_COMPONENT_OVL_2L0]		= { MTK_DISP_OVL_2L,		0, &ddp_ovl },
   537		[DDP_COMPONENT_OVL_2L1]		= { MTK_DISP_OVL_2L,		1, &ddp_ovl },
   538		[DDP_COMPONENT_OVL_2L2]		= { MTK_DISP_OVL_2L,		2, &ddp_ovl },
   539		[DDP_COMPONENT_POSTMASK0]	= { MTK_DISP_POSTMASK,		0, &ddp_postmask },
   540		[DDP_COMPONENT_PWM0]		= { MTK_DISP_PWM,		0, NULL },
   541		[DDP_COMPONENT_PWM1]		= { MTK_DISP_PWM,		1, NULL },
   542		[DDP_COMPONENT_PWM2]		= { MTK_DISP_PWM,		2, NULL },
   543		[DDP_COMPONENT_RDMA0]		= { MTK_DISP_RDMA,		0, &ddp_rdma },
   544		[DDP_COMPONENT_RDMA1]		= { MTK_DISP_RDMA,		1, &ddp_rdma },
   545		[DDP_COMPONENT_RDMA2]		= { MTK_DISP_RDMA,		2, &ddp_rdma },
   546		[DDP_COMPONENT_RDMA4]		= { MTK_DISP_RDMA,		4, &ddp_rdma },
 > 547		[DDP_COMPONENT_TDSHP0]		= { MTK_DISP_TDSHP,		0, &ddp_tdshp },
   548		[DDP_COMPONENT_UFOE]		= { MTK_DISP_UFOE,		0, &ddp_ufoe },
   549		[DDP_COMPONENT_WDMA0]		= { MTK_DISP_WDMA,		0, NULL },
   550		[DDP_COMPONENT_WDMA1]		= { MTK_DISP_WDMA,		1, NULL },
   551	};
   552	

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