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* [chrome-os:chromeos-5.4 54/243] drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_lat_if.c:388:27: sparse: sparse: non size-preserving pointer to integer cast
@ 2021-04-20 22:31 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-04-20 22:31 UTC (permalink / raw)
  To: kbuild-all

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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@intel.com>


sparse warnings: (new ones prefixed by >>)
>> drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_lat_if.c:388:27: sparse: sparse: non size-preserving pointer to integer cast

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);
 > 388		vdec_fb_va = (u64)fb;
   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(a)lists.01.org

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2021-04-20 22:31 [chrome-os:chromeos-5.4 54/243] drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_lat_if.c:388:27: sparse: sparse: non size-preserving pointer to integer cast kernel test robot

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