Re: [PATCH v2] media: mediatek: vcodec: using encoder device to alloc/free encoder memory

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Il 10/10/23 14:20, Yunfei Dong ha scritto:
Need to use encoder device to allocate/free encoder memory when calling
mtk_vcodec_mem_alloc/mtk_vcodec_mem_free, or leading to below crash log
when test encoder with decoder device.

pc : dma_alloc_attrs+0x44/0xf4
lr : mtk_vcodec_mem_alloc+0x50/0xa4 [mtk_vcodec_common]
sp : ffffffc0209f3990
x29: ffffffc0209f39a0 x28: ffffff8024102a18 x27: 0000000000000000
x26: 0000000000000000 x25: ffffffc00c06e2d8 x24: 0000000000000001
x23: 0000000000000cc0 x22: 0000000000000010 x21: 0000000000000800
x20: ffffff8024102a18 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000009 x16: ffffffe389736a98 x15: 0000000000000078
x14: ffffffe389704434 x13: 0000000000000007 x12: ffffffe38a2b2560
x11: 0000000000000800 x10: 0000000000000004 x9 : ffffffe331f07484
x8 : 5400e9aef2395000 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000001 x4 : 0000000000000000 x3 : 0000000000000cc0
x2 : ffffff8024102a18 x1 : 0000000000000800 x0 : 0000000000000010
Call trace:
  dma_alloc_attrs+0x44/0xf4
  mtk_vcodec_mem_alloc+0x50/0xa4 [mtk_vcodec_common 2819d3d601f3cd06c1f2213ac1b9995134441421]
  h264_enc_set_param+0x27c/0x378 [mtk_vcodec_enc 772cc3d26c254e8cf54079451ef8d930d2eb4404]
  venc_if_set_param+0x4c/0x7c [mtk_vcodec_enc 772cc3d26c254e8cf54079451ef8d930d2eb4404]
  vb2ops_venc_start_streaming+0x1bc/0x328 [mtk_vcodec_enc 772cc3d26c254e8cf54079451ef8d930d2eb4404]
  vb2_start_streaming+0x64/0x12c
  vb2_core_streamon+0x114/0x158
  vb2_streamon+0x38/0x60
  v4l2_m2m_streamon+0x48/0x88
  v4l2_m2m_ioctl_streamon+0x20/0x2c
  v4l_streamon+0x2c/0x38
  __video_do_ioctl+0x2c4/0x3dc
  video_usercopy+0x404/0x934
  video_ioctl2+0x20/0x2c
  v4l2_ioctl+0x54/0x64
  v4l2_compat_ioctl32+0x90/0xa34
  __arm64_compat_sys_ioctl+0x128/0x13c
  invoke_syscall+0x4c/0x108
  el0_svc_common+0x98/0x104
  do_el0_svc_compat+0x28/0x34
  el0_svc_compat+0x2c/0x74
  el0t_32_sync_handler+0xa8/0xcc
  el0t_32_sync+0x194/0x198
Code: aa0003f6 aa0203f4 aa0103f5 f900

'Fixes: 01abf5fbb081c ("media: mediatek: vcodec: separate struct 'mtk_vcodec_ctx'")'
Signed-off-by: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino@xxxxxxxxxxxxx>






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