-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I tried to run samsung sample program in exynos 4412, the kernel version is 3.13.3, as I can't make a working kernel in 3.14-rc2 so I don't tried it. root@kagami:~/v4l2-mfc-encoder# ./mfc-encode -m /dev/video1 -c h264,header_mode=1 -d 1 mfc codec encoding example application Andrzej Hajda <a.hajda@xxxxxxxxxxx> Copyright 2012 Samsung Electronics Co., Ltd. 64.919953112:args.c:parse_args:187: codec: H264 64.920726862:args.c:parse_args:184: opt header_mode=1 64.937011571:mfc.c:mfc_create:87: MFC device /dev/video1 opened with fd=3 64.953427779:v4l_dev.c:v4l_req_bufs:116: Succesfully requested 16 buffers for device 3:0 64.953925446:func_dev.c:func_req_bufs:42: Succesfully requested 16 buffers for device -1:1 64.954654154:func_dev.c:func_enq_buf:113: Enqueued buffer 0/16 to -1:1 64.955432987:func_dev.c:func_enq_buf:113: Enqueued buffer 1/16 to -1:1 64.956119696:func_dev.c:func_enq_buf:113: Enqueued buffer 2/16 to -1:1 64.956824362:func_dev.c:func_enq_buf:113: Enqueued buffer 3/16 to -1:1 64.957546237:func_dev.c:func_enq_buf:113: Enqueued buffer 4/16 to -1:1 64.958226196:func_dev.c:func_enq_buf:113: Enqueued buffer 5/16 to -1:1 64.958885321:func_dev.c:func_enq_buf:113: Enqueued buffer 6/16 to -1:1 64.959588529:func_dev.c:func_enq_buf:113: Enqueued buffer 7/16 to -1:1 64.960283779:func_dev.c:func_enq_buf:113: Enqueued buffer 8/16 to -1:1 64.960502029:func_dev.c:func_enq_buf:113: Enqueued buffer 9/16 to -1:1 64.960699071:func_dev.c:func_enq_buf:113: Enqueued buffer 10/16 to -1:1 64.960815487:func_dev.c:func_enq_buf:113: Enqueued buffer 11/16 to -1:1 64.960927196:func_dev.c:func_enq_buf:113: Enqueued buffer 12/16 to -1:1 64.961081112:func_dev.c:func_enq_buf:113: Enqueued buffer 13/16 to -1:1 64.961202487:func_dev.c:func_enq_buf:113: Enqueued buffer 14/16 to -1:1 64.961315196:func_dev.c:func_enq_buf:113: Enqueued buffer 15/16 to -1:1 v4l_dev.c:v4l_req_bufs:111: error: Failed to request 4 buffers for device 3:1) root@kagami:~/v4l2-mfc-encoder# dmesg|tail -n4 [ 65.010000] (null): dma_alloc_coherent of size 2097152 failed [ 65.010000] s5p_mfc_alloc_priv_buf:43: Allocating private buffer failed [ 65.010000] s5p_mfc_alloc_codec_buffers_v5:177: Failed to allocate Bank1 temporary buffer [ 65.010000] vidioc_reqbufs:1117: Failed to allocate encoding buffers I have tried to increase the CMA size as Andrzej Hajda told before and even I have tried to decrease it. I have tried for 8MB to 128M, but no use. Is there anything way to fix the problem? root@kagami:~/v4l2-mfc-encoder# zcat /proc/config.gz |grep CONFIG_CMA_SIZE_MBYTES CONFIG_CMA_SIZE_MBYTES=128 I wonder that kernel messages were appeared in request buffers or enqueue buffer? Actually I wonder what is relation about DMA and CMA? Here is the log about cma root@kagami:~# dmesg|grep cma [ 0.000000] cma: dma_contiguous_reserve(limit 6f800000) [ 0.000000] cma: dma_contiguous_reserve: reserving 128 MiB for global area [ 0.000000] cma: dma_contiguous_reserve_area(size 8000000, base 00000000, limit 6f800000) [ 0.000000] cma: CMA: reserved 128 MiB at 67800000 [ 0.130000] cma: dma_alloc_from_contiguous(cma c056fa04, count 64, align 6) [ 0.130000] cma: dma_alloc_from_contiguous(): returned c0ad7000 [ 0.235000] cma: dma_alloc_from_contiguous(cma c056fa04, count 1, align 0) [ 0.235000] cma: dma_alloc_from_contiguous(): returned c0ad7800 [ 0.245000] cma: dma_alloc_from_contiguous(cma c056fa04, count 1, align 0) [ 0.245000] cma: dma_alloc_from_contiguous(): returned c0ad7820 [ 0.250000] cma: dma_alloc_from_contiguous(cma c056fa04, count 1, align 0) [ 0.250000] cma: dma_alloc_from_contiguous(): returned c0ad7840 [ 0.985000] cma: dma_alloc_from_contiguous(cma c056fa04, count 1, align 0) [ 0.985000] cma: dma_alloc_from_contiguous(): returned c0ad7860 [ 1.085000] cma: dma_alloc_from_contiguous(cma c056fa04, count 1, align 0) [ 1.085000] cma: dma_alloc_from_contiguous(): returned c0ad7880 [ 1.085000] cma: dma_alloc_from_contiguous(cma c056fa04, count 1, align 0) [ 1.085000] cma: dma_alloc_from_contiguous(): returned c0ad78a0 [ 1.940000] cma: dma_alloc_from_contiguous(cma c056fa04, count 1, align 0) [ 1.940000] cma: dma_alloc_from_contiguous(): returned c0ad78c0 ayaka -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJTAuwtAAoJEPb4VsMIzTzi0n0H/3Qv6QkOgVb+jxwz+qDDI5Cm yx+/bGhS83y6vYA4BF8bTkLiR3mh4kl/RFk53IuguFul1o8A8OdGmZStKeBuvFe1 W4bXmNzUWVsCebuTIV6ZG7/uct+ewIv8Y9MK7iQsuSR++h7efJKWWWIQ45+kwUoC nB2O+Zn/wh/FmQ2Xj9CO+G3WU73HWdOI65I+CKVruyDISVDtew0wBBvY9RJ6ulKU uTs3W+aShbJWSsZ+4B1BDQGJmJBt2JCJbojxCRRND9HyBubfn5/O2jGIHL+fTAO/ MNujQFHUqIxTQ489RxjTZcoZkyPRjlT+3hJWBiKrJsl/J2N8etVfRPc4K/wTOeQ= =F0oI -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
