Re: [PATCH v7 00/13] CSI2RX support on J721E

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On 14/03/2023 13:55, Vaishnav Achath wrote:
Hi,

This series adds support for CSI2 capture on J721E. It includes some
fixes to the Cadence CSI2RX driver, and adds the TI CSI2RX wrapper driver.

I get some errors with 'v4l2-compliance -m /dev/media0', which also causes:

[   51.185172] ------------[ cut here ]------------
[   51.189786] WARNING: CPU: 1 PID: 174 at mm/page_alloc.c:5568 __alloc_pages+0x684/0xd24
[   51.197698] Modules linked in:
[   51.200743] CPU: 1 PID: 174 Comm: v4l2-compliance Not tainted 6.3.0-rc5+ #12
[   51.207772] Hardware name: Texas Instruments J721e EVM (DT)
[   51.213326] pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   51.220269] pc : __alloc_pages+0x684/0xd24
[   51.224353] lr : __dma_direct_alloc_pages.constprop.0+0x1d4/0x2a0
[   51.230431] sp : ffff800009fd37b0
[   51.233732] x29: ffff800009fd37b0 x28: ffff000801ad18e0 x27: 0000000000000001
[   51.240852] x26: 0000000000000010 x25: ffff800009fd3b18 x24: ffff800008112c60
[   51.247971] x23: 0000000000000010 x22: 00000000ffffffff x21: 0000000000000cc0
[   51.255089] x20: 0000000010000000 x19: 0000000000000000 x18: 0000000000000000
[   51.262208] x17: 0000000000000000 x16: 0000000000000000 x15: 00000000fff7a238
[   51.269326] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
[   51.276444] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
[   51.283562] x8 : ffff000802c4a200 x7 : 0000000000000000 x6 : 0000000000000000
[   51.290680] x5 : 0000000000000000 x4 : ffff0008022a0000 x3 : 0000000000000000
[   51.297798] x2 : 0000000000000000 x1 : 0000000000000001 x0 : ffff80000937a000
[   51.304916] Call trace:
[   51.307350]  __alloc_pages+0x684/0xd24
[   51.311086]  __dma_direct_alloc_pages.constprop.0+0x1d4/0x2a0
[   51.316814]  dma_direct_alloc+0x210/0x33c
[   51.320809]  dma_alloc_attrs+0x80/0xf4
[   51.324548]  vb2_dc_alloc+0xa0/0x184
[   51.328114]  __vb2_queue_alloc+0x19c/0x490
[   51.332197]  vb2_core_reqbufs+0x250/0x45c
[   51.336192]  vb2_ioctl_reqbufs+0xb0/0xe8
[   51.340103]  v4l_reqbufs+0x50/0x64
[   51.343494]  __video_do_ioctl+0x18c/0x3ec
[   51.347489]  video_usercopy+0x214/0x6c4
[   51.351312]  video_ioctl2+0x18/0x24
[   51.354788]  v4l2_ioctl+0x40/0x60
[   51.358088]  v4l2_compat_ioctl32+0x90/0xb4
[   51.362171]  __arm64_compat_sys_ioctl+0x14c/0x170
[   51.366860]  invoke_syscall+0x48/0x114
[   51.370599]  el0_svc_common.constprop.0+0x44/0xf4
[   51.375288]  do_el0_svc_compat+0x20/0x44
[   51.379198]  el0_svc_compat+0x2c/0x84
[   51.382848]  el0t_32_sync_handler+0x98/0x148
[   51.387102]  el0t_32_sync+0x194/0x198
[   51.390752] ---[ end trace 0000000000000000 ]---
[   51.395408] ti-udma 31150000.dma-controller: dma alloc of size 268435456 failed

 Tomi




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