Re: [PATCH 1/6] drm: Convert aux_idr to XArray
From: kernel test robot
Date: Tue Aug 19 2025 - 06:37:40 EST
Hi Sidhartha,
kernel test robot noticed the following build errors:
[auto build test ERROR on v6.16]
[also build test ERROR on next-20250819]
[cannot apply to drm-exynos/exynos-drm-next linus/master v6.17-rc2 v6.17-rc1]
[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/Sidhartha-Kumar/drm-Convert-aux_idr-to-XArray/20250819-031755
base: v6.16
patch link: https://lore.kernel.org/r/20250818190046.157962-2-sidhartha.kumar%40oracle.com
patch subject: [PATCH 1/6] drm: Convert aux_idr to XArray
config: x86_64-buildonly-randconfig-002-20250819 (https://download.01.org/0day-ci/archive/20250819/202508191844.VZB7euYb-lkp@xxxxxxxxx/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250819/202508191844.VZB7euYb-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202508191844.VZB7euYb-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
>> drivers/gpu/drm/display/drm_dp_aux_dev.c:85:5: error: passing 'struct xa_limit' to parameter of incompatible type 'void *'
85 | XA_LIMIT(0, DRM_AUX_MINORS - 1), aux_dev, GFP_KERNEL);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/xarray.h:248:30: note: expanded from macro 'XA_LIMIT'
248 | #define XA_LIMIT(_min, _max) (struct xa_limit) { .min = _min, .max = _max }
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/xarray.h:872:9: note: passing argument to parameter 'entry' here
872 | void *entry, struct xa_limit limit, gfp_t gfp)
| ^
1 error generated.
vim +85 drivers/gpu/drm/display/drm_dp_aux_dev.c
71
72 static struct drm_dp_aux_dev *alloc_drm_dp_aux_dev(struct drm_dp_aux *aux)
73 {
74 struct drm_dp_aux_dev *aux_dev;
75 int err;
76
77 aux_dev = kzalloc(sizeof(*aux_dev), GFP_KERNEL);
78 if (!aux_dev)
79 return ERR_PTR(-ENOMEM);
80 aux_dev->aux = aux;
81 atomic_set(&aux_dev->usecount, 1);
82 kref_init(&aux_dev->refcount);
83
84 err = xa_alloc(&aux_xa, &aux_dev->index,
> 85 XA_LIMIT(0, DRM_AUX_MINORS - 1), aux_dev, GFP_KERNEL);
86 if (err < 0) {
87 kfree(aux_dev);
88 return ERR_PTR(err);
89 }
90
91 return aux_dev;
92 }
93
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