Hi, I love your patch! Yet something to improve: [auto build test ERROR on linuxtv-media/master] [also build test ERROR on staging/staging-testing driver-core/driver-core-testing linus/master v5.14-rc6 next-20210818] [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] url: https://github.com/0day-ci/linux/commits/sidraya-bj-pathpartnertech-com/TI-Video-Decoder-driver-upstreaming-to-v5-14-rc6-kernel/20210818-221811 base: git://linuxtv.org/media_tree.git master config: mips-allyesconfig (attached as .config) compiler: mips-linux-gcc (GCC) 11.2.0 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://github.com/0day-ci/linux/commit/f42ae4f45639a6214f9e775d4280061bf52fc229 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review sidraya-bj-pathpartnertech-com/TI-Video-Decoder-driver-upstreaming-to-v5-14-rc6-kernel/20210818-221811 git checkout f42ae4f45639a6214f9e775d4280061bf52fc229 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/staging/media/vxd/decoder/../common/img_mem_unified.c: In function 'unified_free': >> drivers/staging/media/vxd/decoder/../common/img_mem_unified.c:159:17: error: implicit declaration of function 'vunmap'; did you mean 'kunmap'? [-Werror=implicit-function-declaration] 159 | vunmap(buffer->kptr); | ^~~~~~ | kunmap drivers/staging/media/vxd/decoder/../common/img_mem_unified.c: In function 'unified_map_km': >> drivers/staging/media/vxd/decoder/../common/img_mem_unified.c:197:24: error: implicit declaration of function 'vmap'; did you mean 'kmap'? [-Werror=implicit-function-declaration] 197 | buffer->kptr = vmap((struct page **)pages, num_pages, VM_MAP, prot); | ^~~~ | kmap >> drivers/staging/media/vxd/decoder/../common/img_mem_unified.c:197:63: error: 'VM_MAP' undeclared (first use in this function); did you mean 'VM_MTE'? 197 | buffer->kptr = vmap((struct page **)pages, num_pages, VM_MAP, prot); | ^~~~~~ | VM_MTE drivers/staging/media/vxd/decoder/../common/img_mem_unified.c:197:63: note: each undeclared identifier is reported only once for each function it appears in cc1: some warnings being treated as errors vim +159 drivers/staging/media/vxd/decoder/../common/img_mem_unified.c 76b88427fbba69 Sidraya 2021-08-18 145 76b88427fbba69 Sidraya 2021-08-18 146 static void unified_free(struct heap *heap, struct buffer *buffer) 76b88427fbba69 Sidraya 2021-08-18 147 { 76b88427fbba69 Sidraya 2021-08-18 148 void *dev = buffer->device; 76b88427fbba69 Sidraya 2021-08-18 149 void *sgt = buffer->priv; 76b88427fbba69 Sidraya 2021-08-18 150 void *sgl; 76b88427fbba69 Sidraya 2021-08-18 151 76b88427fbba69 Sidraya 2021-08-18 152 dev_dbg(dev, "%s:%d buffer %d (0x%p)\n", __func__, __LINE__, 76b88427fbba69 Sidraya 2021-08-18 153 buffer->id, buffer); 76b88427fbba69 Sidraya 2021-08-18 154 76b88427fbba69 Sidraya 2021-08-18 155 if (buffer->kptr) { 76b88427fbba69 Sidraya 2021-08-18 156 dev_dbg(dev, "%s vunmap 0x%p\n", __func__, buffer->kptr); 76b88427fbba69 Sidraya 2021-08-18 157 dma_unmap_sg(dev, img_mmu_get_sgl(sgt), img_mmu_get_orig_nents(sgt), 76b88427fbba69 Sidraya 2021-08-18 158 DMA_FROM_DEVICE); 76b88427fbba69 Sidraya 2021-08-18 @159 vunmap(buffer->kptr); 76b88427fbba69 Sidraya 2021-08-18 160 } 76b88427fbba69 Sidraya 2021-08-18 161 76b88427fbba69 Sidraya 2021-08-18 162 sgl = img_mmu_get_sgl(sgt); 76b88427fbba69 Sidraya 2021-08-18 163 while (sgl) { 76b88427fbba69 Sidraya 2021-08-18 164 __free_page(sg_page(sgl)); 76b88427fbba69 Sidraya 2021-08-18 165 sgl = sg_next(sgl); 76b88427fbba69 Sidraya 2021-08-18 166 } 76b88427fbba69 Sidraya 2021-08-18 167 sg_free_table(sgt); 76b88427fbba69 Sidraya 2021-08-18 168 kfree(sgt); 76b88427fbba69 Sidraya 2021-08-18 169 } 76b88427fbba69 Sidraya 2021-08-18 170 76b88427fbba69 Sidraya 2021-08-18 171 static int unified_map_km(struct heap *heap, struct buffer *buffer) 76b88427fbba69 Sidraya 2021-08-18 172 { 76b88427fbba69 Sidraya 2021-08-18 173 void *dev = buffer->device; 76b88427fbba69 Sidraya 2021-08-18 174 void *sgt = buffer->priv; 76b88427fbba69 Sidraya 2021-08-18 175 void *sgl = img_mmu_get_sgl(sgt); 76b88427fbba69 Sidraya 2021-08-18 176 unsigned int num_pages = sg_nents(sgl); 76b88427fbba69 Sidraya 2021-08-18 177 unsigned int orig_nents = img_mmu_get_orig_nents(sgt); 76b88427fbba69 Sidraya 2021-08-18 178 void **pages; 76b88427fbba69 Sidraya 2021-08-18 179 int ret; 76b88427fbba69 Sidraya 2021-08-18 180 pgprot_t prot; 76b88427fbba69 Sidraya 2021-08-18 181 76b88427fbba69 Sidraya 2021-08-18 182 dev_dbg(dev, "%s:%d buffer %d (0x%p)\n", __func__, __LINE__, buffer->id, buffer); 76b88427fbba69 Sidraya 2021-08-18 183 76b88427fbba69 Sidraya 2021-08-18 184 if (buffer->kptr) { 76b88427fbba69 Sidraya 2021-08-18 185 dev_warn(dev, "%s called for already mapped buffer %d\n", __func__, buffer->id); 76b88427fbba69 Sidraya 2021-08-18 186 return 0; 76b88427fbba69 Sidraya 2021-08-18 187 } 76b88427fbba69 Sidraya 2021-08-18 188 76b88427fbba69 Sidraya 2021-08-18 189 pages = kmalloc_array(num_pages, sizeof(void *), GFP_KERNEL); 76b88427fbba69 Sidraya 2021-08-18 190 if (!pages) 76b88427fbba69 Sidraya 2021-08-18 191 return -ENOMEM; 76b88427fbba69 Sidraya 2021-08-18 192 76b88427fbba69 Sidraya 2021-08-18 193 img_mmu_get_pages(pages, sgt); 76b88427fbba69 Sidraya 2021-08-18 194 76b88427fbba69 Sidraya 2021-08-18 195 prot = PAGE_KERNEL; 76b88427fbba69 Sidraya 2021-08-18 196 prot = pgprot_writecombine(prot); 76b88427fbba69 Sidraya 2021-08-18 @197 buffer->kptr = vmap((struct page **)pages, num_pages, VM_MAP, prot); 76b88427fbba69 Sidraya 2021-08-18 198 kfree(pages); 76b88427fbba69 Sidraya 2021-08-18 199 if (!buffer->kptr) { 76b88427fbba69 Sidraya 2021-08-18 200 dev_err(dev, "%s vmap failed!\n", __func__); 76b88427fbba69 Sidraya 2021-08-18 201 return -EFAULT; 76b88427fbba69 Sidraya 2021-08-18 202 } 76b88427fbba69 Sidraya 2021-08-18 203 76b88427fbba69 Sidraya 2021-08-18 204 ret = dma_map_sg(dev, sgl, orig_nents, DMA_FROM_DEVICE); 76b88427fbba69 Sidraya 2021-08-18 205 76b88427fbba69 Sidraya 2021-08-18 206 if (ret <= 0) { 76b88427fbba69 Sidraya 2021-08-18 207 dev_err(dev, "%s dma_map_sg failed!\n", __func__); 76b88427fbba69 Sidraya 2021-08-18 208 vunmap(buffer->kptr); 76b88427fbba69 Sidraya 2021-08-18 209 return -EFAULT; 76b88427fbba69 Sidraya 2021-08-18 210 } 76b88427fbba69 Sidraya 2021-08-18 211 dev_dbg(dev, "%s:%d buffer %d orig_nents %d nents %d\n", __func__, 76b88427fbba69 Sidraya 2021-08-18 212 __LINE__, buffer->id, orig_nents, ret); 76b88427fbba69 Sidraya 2021-08-18 213 76b88427fbba69 Sidraya 2021-08-18 214 img_mmu_set_sgt_nents(sgt, ret); 76b88427fbba69 Sidraya 2021-08-18 215 76b88427fbba69 Sidraya 2021-08-18 216 dev_dbg(dev, "%s:%d buffer %d vmap to 0x%p\n", __func__, __LINE__, 76b88427fbba69 Sidraya 2021-08-18 217 buffer->id, buffer->kptr); 76b88427fbba69 Sidraya 2021-08-18 218 76b88427fbba69 Sidraya 2021-08-18 219 return 0; 76b88427fbba69 Sidraya 2021-08-18 220 } 76b88427fbba69 Sidraya 2021-08-18 221 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
Description: application/gzip