tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4 head: 52d269f32500581166246e0e494b2b62d979dba6 commit: 0a438b290ea431bc87156be5819e9f85fa951240 [54/243] CHROMIUM: media: mtk-vcodec: Add h264 slice api driver for mt8192 config: nios2-randconfig-s032-20210420 (attached as .config) compiler: nios2-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-5.4 git checkout 0a438b290ea431bc87156be5819e9f85fa951240 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=nios2 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) vim +388 drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_lat_if.c 367 368 static int vdec_h264_slice_core_decode(struct vdec_lat_buf *lat_buf) 369 { 370 struct vdec_fb *fb; 371 uint64_t vdec_fb_va; 372 uint64_t y_fb_dma, c_fb_dma; 373 int err, timeout, i, dec_err; 374 struct vdec_vpu_inst *vpu; 375 struct mtk_video_dec_buf *dst_buf_info; 376 struct mtk_vcodec_ctx *ctx = lat_buf->ctx; 377 struct vdec_h264_slice_inst *inst = ctx->drv_handle; 378 struct vb2_v4l2_buffer *vb2_v4l2; 379 struct vdec_h264_slice_share_info *share_info = lat_buf->private_data; 380 struct mtk_vcodec_mem *mem; 381 382 mtk_vcodec_debug(inst, "[h264-core] vdec_h264 core decode"); 383 memcpy(&inst->vsi_core->h264_slice_params, &share_info->h264_slice_params, 384 sizeof(share_info->h264_slice_params)); 385 fb = ctx->dev->vdec_pdata->get_cap_buffer(ctx); 386 vpu = &inst->vpu; 387 dst_buf_info = container_of(fb, struct mtk_video_dec_buf, frame_buffer); 389 y_fb_dma = fb ? (u64)fb->base_y.dma_addr : 0; 390 391 if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 1) 392 c_fb_dma = 393 y_fb_dma + inst->ctx->picinfo.buf_w * inst->ctx->picinfo.buf_h; 394 else 395 c_fb_dma = fb ? (u64)fb->base_c.dma_addr : 0; 396 397 mtk_vcodec_debug(inst, "[h264-core] y/c addr = 0x%x 0x%x", y_fb_dma, 398 c_fb_dma); 399 400 inst->vsi_core->dec.y_fb_dma = y_fb_dma; 401 inst->vsi_core->dec.c_fb_dma = c_fb_dma; 402 inst->vsi_core->dec.vdec_fb_va = vdec_fb_va; 403 inst->vsi_core->dec.nal_info = share_info->nal_info; 404 inst->vsi_core->wdma_start_addr = 405 lat_buf->ctx->msg_queue.wdma_addr.dma_addr; 406 inst->vsi_core->wdma_end_addr = 407 lat_buf->ctx->msg_queue.wdma_addr.dma_addr + 408 lat_buf->ctx->msg_queue.wdma_addr.size; 409 inst->vsi_core->wdma_err_addr = lat_buf->wdma_err_addr.dma_addr; 410 inst->vsi_core->slice_bc_start_addr = lat_buf->slice_bc_addr.dma_addr; 411 inst->vsi_core->slice_bc_end_addr = lat_buf->slice_bc_addr.dma_addr + 412 lat_buf->slice_bc_addr.size; 413 inst->vsi_core->trans_start = share_info->trans_start; 414 inst->vsi_core->trans_end = share_info->trans_end; 415 for (i = 0; i < H264_MAX_MV_NUM; i++) { 416 mem = &inst->mv_buf[i]; 417 inst->vsi_core->mv_buf_dma[i] = mem->dma_addr; 418 } 419 420 vb2_v4l2 = v4l2_m2m_next_dst_buf(ctx->m2m_ctx); 421 422 vb2_v4l2->vb2_buf.timestamp = lat_buf->ts_info.vb2_buf.timestamp; 423 vb2_v4l2->timecode = lat_buf->ts_info.timecode; 424 vb2_v4l2->field = lat_buf->ts_info.field; 425 vb2_v4l2->flags = lat_buf->ts_info.flags; 426 vb2_v4l2->vb2_buf.copied_timestamp = 427 lat_buf->ts_info.vb2_buf.copied_timestamp; 428 429 vdec_h264_slice_fill_decode_reflist(inst, 430 &inst->vsi_core->h264_slice_params, share_info); 431 432 err = vpu_dec_core(vpu); 433 if (err) { 434 dec_err = 1; 435 mtk_vcodec_err(inst, "core decode err=%d", err); 436 goto vdec_dec_end; 437 } else { 438 dec_err = 0; 439 } 440 441 /* wait decoder done interrupt */ 442 timeout = mtk_vcodec_wait_for_core_done_ctx( 443 inst->ctx, MTK_INST_IRQ_RECEIVED, WAIT_INTR_TIMEOUT_MS); 444 if (timeout) 445 mtk_vcodec_err(inst, "core decode timeout: pic_%d", 446 ctx->decoded_frame_cnt); 447 inst->vsi_core->dec.timeout = !!timeout; 448 449 vpu_dec_core_end(vpu); 450 451 mtk_vcodec_debug(inst, "y_crc: 0x%x 0x%x 0x%x 0x%x", 452 inst->vsi_core->dec.crc[0], 453 inst->vsi_core->dec.crc[1], 454 inst->vsi_core->dec.crc[2], 455 inst->vsi_core->dec.crc[3]); 456 457 mtk_vcodec_debug(inst, "c_crc: 0x%x 0x%x 0x%x 0x%x", 458 inst->vsi_core->dec.crc[4], 459 inst->vsi_core->dec.crc[5], 460 inst->vsi_core->dec.crc[6], 461 inst->vsi_core->dec.crc[7]); 462 463 vdec_dec_end: 464 vdec_msg_queue_update_ube_rptr(&lat_buf->ctx->msg_queue, 465 inst->vsi_core->trans_end); 466 ctx->dev->vdec_pdata->cap_to_disp(ctx, fb, dec_err); 467 mtk_vcodec_debug(inst, "core decode done err=%d", err); 468 ctx->decoded_frame_cnt++; 469 470 return 0; 471 } 472 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org