nvdec problems

[ 4227.610403] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x00000000, fsynr=0x220001, cb=19, sid=7(0x7 - NVENC), pgd=0, pud=0, pmd=0, pte=0                                                     
[ 4227.623764] (255) csr_nvencsrd: EMEM address decode error
[ 4227.629215]   status = 0x2032701c; addr = 0x3ffffffc0
[ 4227.630673] falcon 154c0000.nvenc:     SYNCPT_ID   21
[ 4227.630675] falcon 154c0000.nvenc:     SYNCPT_VAL  54
[ 4227.630677] falcon 154c0000.nvenc:     FIRST_GET   0x9d0
[ 4227.630678] falcon 154c0000.nvenc:     TIMEOUT     10000
[ 4227.630680] falcon 154c0000.nvenc:     NUM_SLOTS   11
[ 4227.630682] falcon 154c0000.nvenc:     NUM_HANDLES 17
[ 4227.630686] falcon 154c0000.nvenc:     SYNCPT_ID   21
[ 4227.630688] falcon 154c0000.nvenc:     SYNCPT_VAL  56
[ 4227.630689] falcon 154c0000.nvenc:     FIRST_GET   0xa28
[ 4227.630691] falcon 154c0000.nvenc:     TIMEOUT     10000
[ 4227.630692] falcon 154c0000.nvenc:     NUM_SLOTS   11
[ 4227.630693] falcon 154c0000.nvenc:     NUM_HANDLES 17
[ 4227.696233]   secure: yes, access-type: read
[ 4227.700534] unknown mcerr fault, int_status=0x00000000, ch_int_status=0x00000000, hubc_int_status=0x00000000                                                                                             
[ 4227.710404] unknown mcerr fault, int_status=0x00000000, ch_int_status=0x00000000, hubc_int_status=0x00000000                                                                                             
[ 4227.720258] unknown mcerr fault, int_status=0x00000000, ch_int_status=0x00000000, hubc_int_status=0x00000000                                                                                             
[ 4227.730134] mc-err: Too many MC errors; throttling prints
[ 4228.866891] nvdec 15480000.nvdec: nvhost_module_busy: failed to power on, err -22
[ 4236.843765] nvdec 15480000.nvdec: nvhost_module_busy: failed to power on, err -22
[ 4248.550722] nvdec 15480000.nvdec: nvhost_module_busy: failed to power on, err -22