Hi Dave, kernel test robot noticed the following build errors: [auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on drm-tip/drm-tip linus/master v6.9 next-20240513] [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/Dave-Airlie/nouveau-firmware-using-dma-non-coherent-interfaces-for-fw-loading/20240513-144435 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20240513064350.1050994-1-airlied%40gmail.com patch subject: [PATCH] nouveau/firmware: using dma non-coherent interfaces for fw loading. config: arm-defconfig (https://download.01.org/0day-ci/archive/20240513/202405132205.FVKltMCq-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240513/202405132205.FVKltMCq-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/202405132205.FVKltMCq-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/nouveau/nvkm/core/firmware.c:242:12: error: incompatible pointer types passing 'u64 *' (aka 'unsigned long long *') to parameter of type 'dma_addr_t *' (aka 'unsigned int *') [-Werror,-Wincompatible-pointer-types] len, &fw->phys, ^~~~~~~~~ include/linux/dma-mapping.h:321:15: note: passing argument to parameter 'dma_handle' here dma_addr_t *dma_handle, enum dma_data_direction dir, gfp_t gfp) ^ 1 error generated. vim +242 drivers/gpu/drm/nouveau/nvkm/core/firmware.c 224 225 int 226 nvkm_firmware_ctor(const struct nvkm_firmware_func *func, const char *name, 227 struct nvkm_device *device, const void *src, int len, struct nvkm_firmware *fw) 228 { 229 fw->func = func; 230 fw->name = name; 231 fw->device = device; 232 fw->len = len; 233 234 switch (fw->func->type) { 235 case NVKM_FIRMWARE_IMG_RAM: 236 fw->img = kmemdup(src, fw->len, GFP_KERNEL); 237 break; 238 case NVKM_FIRMWARE_IMG_DMA: { 239 len = ALIGN(fw->len, PAGE_SIZE); 240 241 fw->img = dma_alloc_noncoherent(fw->device->dev, > 242 len, &fw->phys, -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki