有的,运行时的dmesg日志如下:
[ 4992.390291] LT8618_GET_EDID_RESOLUTION_RATIO
[ 4992.560338] [VPUDRV]vpu_open:1944: enter
[ 4992.560365] hobot_dmcfreq_target: dmcfreq->rate:2666000000, target_rate:2666000000
[ 4992.560376] buf:performance
, powersave_rate:2666000000, dmcfreq->pre_state:0
[ 4992.560399] [VPUDRV]vpu_open:1983: leave
[ 4992.560536] [VPUDRV]vpu_ioctl:2291: [+]VDI_IOCTL_GET_INSTANCE_POOL
[ 4992.560558] [VPUDRV]vpu_ioctl:2337: [-]VDI_IOCTL_GET_INSTANCE_POOL
[ 4992.560591] [VPUDRV]vpu_mmap:3104: enter
[ 4992.560597] [VPUDRV]vpu_map_to_instance_pool_memory:3048: enter
[ 4992.560605] [VPUDRV]vpu_map_to_instance_pool_memory:3081: leave
[ 4992.560740] [VPUDRV]vpu_ioctl:2593: [+]VDI_IOCTL_GET_REGISTER_INFO
[ 4992.560753] [VPUDRV]vpu_ioctl:2601: [-]VDI_IOCTL_GET_REGISTER_INFO vpu_register.phys_addr==0xa8000000, s_vpu_register.virt_addr=0xffffff8010930000,s_vpu_register.size=65536
[ 4992.560768] [VPUDRV]vpu_mmap:3104: enter
[ 4992.560773] [VPUDRV]vpu_map_to_register:2982: enter
[ 4992.560780] [VPUDRV]vpu_map_to_register:3002: leave
[ 4992.560866] [VPUDRV]vpu_ioctl:2276: [+]VDI_IOCTL_SET_CLOCK_GATE
[ 4992.560873] [VPUDRV]vpu_ioctl:2285: [-]VDI_IOCTL_SET_CLOCK_GATE
[ 4992.560919] [VPUDRV]vpu_ioctl:2355: [+]VDI_IOCTL_GET_COMMON_MEMORY
[ 4992.560926] [VPUDRV]vpu_ioctl:2388: [-]VDI_IOCTL_GET_COMMON_MEMORY
[ 4992.560946] [VPUDRV]vpu_mmap:3104: enter
[ 4992.560951] [VPUDRV]vpu_map_to_physical_memory:3012: enter
[ 4992.560975] [VPUDRV]vpu_map_to_physical_memory:3032: leave
[ 4992.561357] [VPUDRV]vpu_release:2881: enter
[ 4992.561364] [VPUDRV]vpu_free_instances:1317: enter
[ 4992.561369] [VPUDRV]vpu_free_instances:1450: leave
[ 4992.561374] [VPUDRV]vpu_free_buffers:1461: enter
[ 4992.561380] [VPUDRV]vpu_free_buffers:1484: leave
[ 4992.561386] [VPUDRV]vpu_release:2918: free instance pool
[ 4992.561422] hobot_dmcfreq_target: dmcfreq->rate:2666000000, target_rate:2666000000
[ 4992.561432] buf:performance
, powersave_rate:2666000000, dmcfreq->pre_state:0
[ 4992.561453] [VPUDRV]vpu_release:2954: leave
[ 4992.561956] [VPUDRV]vpu_open:1944: enter
[ 4992.561973] hobot_dmcfreq_target: dmcfreq->rate:2666000000, target_rate:2666000000
[ 4992.561982] buf:performance
, powersave_rate:2666000000, dmcfreq->pre_state:0
[ 4992.562001] [VPUDRV]vpu_open:1983: leave
[ 4992.562032] [VPUDRV]vpu_ioctl:2291: [+]VDI_IOCTL_GET_INSTANCE_POOL
[ 4992.562052] [VPUDRV]vpu_ioctl:2337: [-]VDI_IOCTL_GET_INSTANCE_POOL
[ 4992.562070] [VPUDRV]vpu_mmap:3104: enter
[ 4992.562075] [VPUDRV]vpu_map_to_instance_pool_memory:3048: enter
[ 4992.562082] [VPUDRV]vpu_map_to_instance_pool_memory:3081: leave
[ 4992.562125] [VPUDRV]vpu_ioctl:2593: [+]VDI_IOCTL_GET_REGISTER_INFO
[ 4992.562137] [VPUDRV]vpu_ioctl:2601: [-]VDI_IOCTL_GET_REGISTER_INFO vpu_register.phys_addr==0xa8000000, s_vpu_register.virt_addr=0xffffff8010930000,s_vpu_register.size=65536
[ 4992.562148] [VPUDRV]vpu_mmap:3104: enter
[ 4992.562153] [VPUDRV]vpu_map_to_register:2982: enter
[ 4992.562159] [VPUDRV]vpu_map_to_register:3002: leave
[ 4992.562193] [VPUDRV]vpu_ioctl:2276: [+]VDI_IOCTL_SET_CLOCK_GATE
[ 4992.562199] [VPUDRV]vpu_ioctl:2285: [-]VDI_IOCTL_SET_CLOCK_GATE
[ 4992.562207] [VPUDRV]vpu_ioctl:2355: [+]VDI_IOCTL_GET_COMMON_MEMORY
[ 4992.562213] [VPUDRV]vpu_ioctl:2388: [-]VDI_IOCTL_GET_COMMON_MEMORY
[ 4992.562230] [VPUDRV]vpu_mmap:3104: enter
[ 4992.562235] [VPUDRV]vpu_map_to_physical_memory:3012: enter
[ 4992.562257] [VPUDRV]vpu_map_to_physical_memory:3032: leave
[ 4992.562403] [VPUDRV]vpu_ioctl:2609: [+]VDI_IOCTL_ALLOCATE_INSTANCE_ID
[ 4992.562412] [VPUDRV]vpu_ioctl:2631: [-]VDI_IOCTL_ALLOCATE_INSTANCE_ID id = 0
[ 4992.575195] channel id is 0, enable is 0, reg value is 0x44ef00f.
[ 4992.575210] channel id is 1, enable is 0, reg value is 0x44ef00f.
[ 4992.575217] channel id is 2, enable is 0, reg value is 0x4ef00f.
[ 4992.575224] channel id is 3, enable is 0, reg value is 0x4ef00f.
[ 4992.575411] channel id is 1, enable is 1, reg value is 0x24ef00f.
[ 4992.575448] iar_output1_reqbufs.
[ 4992.575921] iar_output_stream.
[ 4992.576540] channel id is 1, enable is 1, reg value is 0x24ef00f.
[ 4992.577958] hobot_dev_ipu: [S0][V4] ipu_bind_chain_group done
[ 4992.577976] hobot_dev_ipu: [S0][V4] ipu_set_group_leader
[ 4992.577979] hobot_dev_ipu: ipu_video_init group->leader:0
[ 4992.578092] hobot_dev_ipu: [S0][V4]ipu_video_init done
[ 4992.578109] hobot_dev_ipu: [S0][V4]ipu_video_reqbufs buffer number 4 first index 0
[ 4992.587413] hobot_dev_ipu: [S0][V0] ipu_bind_chain_group done
[ 4992.587420] hobot_dev_ipu: reuse_shadow0_count = 1
[ 4992.587460] hobot_dev_ipu: [S0][V0] ipu_set_group_leader
[ 4992.587463] hobot_dev_ipu: ipu_video_init group->leader:0
[ 4992.587467] hobot_dev_ipu: [S0][V0]ipu_video_init done
[ 4992.587580] hobot_dev_ipu: [S0][V0]ipu_video_reqbufs buffer number 32 first index 0
[ 4992.587694] vio_group_api: Stream0 path: G0=>G2
[ 4992.587698] hobot_dev_ipu: [S0][V0] ipu_init_end done
[ 4992.587791] hobot_dev_ipu: [S0][V0] ipu_video_streamon
[ 4992.587804] hobot_dev_ipu: [S0][V4] ipu_video_streamon
[ 4992.589091] [VPUDRV]vpu_ioctl:2396: [+]VDI_IOCTL_OPEN_INSTANCE
[ 4992.589296] [VPUDRV]vpu_ioctl:2464: [-]VDI_IOCTL_OPEN_INSTANCE core_idx=0, inst_idx=0, s_vpu_open_ref_count=1, inst_open_count=1
[ 4992.593176] vio bind info dev open.
[ 4992.593197] vio bind info dev close.
[ 4992.593224] vio bind info dev open.
[ 4992.593229] vio bind info dev close.
[ 4992.604213] hobot_dev_ipu: [S0][V0]ipu_video_streamoff:proc 0, fst_ind 0, num:32
[ 4992.604238] hobot_dev_ipu: [S0]IPU close node V0 proc 0
[ 4992.604268] hobot_dev_ipu: [S0][V4]ipu_video_streamoff:proc 0, fst_ind 0, num:4
[ 4992.605334] [S0] ipu last process close disable channels
[ 4992.605339] [S1] ipu last process close disable channels
[ 4992.605344] [S2] ipu last process close disable channels
[ 4992.605349] [S3] ipu last process close disable channels
[ 4992.605356] hobot_dev_ipu: [S0]IPU close node V4 proc 0
[ 4992.610648] [VPUDRV]vpu_release:2881: enter
[ 4992.610655] [VPUDRV]vpu_free_instances:1317: enter
[ 4992.610662] [VPUDRV]vpu_free_instances:1337: vpu_free_instances detect instance crash instIdx=0, coreIdx=0, vip_base=ffffff800a38c000, instance_pool_size_per_core=1656, interrupt_flag=0
[ 4992.610667] [VPUDRV]vpu_close_instance:650: [+] core=0, inst=0, product_code=0x521c
[ 4992.610670] [VPUDRV]wave_close_instance:590: [+] core=0, inst=0
[ 4992.610674] [VPUDRV]vpu_check_is_decoder:641: vpu_check_is_decoder is_decoder=0x1
[ 4992.610699] [VPUDRV]vpuapi_close:1140: [+] core=0, inst=0, product_code=0x521c
[ 4992.610725] [VPUDRV]vpuapi_close:1175: [-] ret=0
[ 4992.610727] [VPUDRV]wave_close_instance:622: [-] ret=0
[ 4992.610730] [VPUDRV]vpu_close_instance:658: [-] success=1
[ 4992.610736] [VPUDRV]vpu_free_instances:1450: leave
[ 4992.610738] [VPUDRV]vpu_free_buffers:1461: enter
[ 4992.611139] [VPUDRV]vpu_free_buffers:1484: leave
[ 4992.611142] [VPUDRV]vpu_release:2918: free instance pool
[ 4992.611163] hobot_dmcfreq_target: dmcfreq->rate:2666000000, target_rate:2666000000
[ 4992.611168] buf:performance
, powersave_rate:2666000000, dmcfreq->pre_state:0
[ 4992.611182] [VPUDRV]vpu_release:2954: leave