diff options
| -rw-r--r-- | drivers/gpu/ipu-v3/ipu-cpmem.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/ipu-v3/ipu-cpmem.c b/drivers/gpu/ipu-v3/ipu-cpmem.c index 9f2d9ec42add..c1028f38c553 100644 --- a/drivers/gpu/ipu-v3/ipu-cpmem.c +++ b/drivers/gpu/ipu-v3/ipu-cpmem.c @@ -269,8 +269,14 @@ EXPORT_SYMBOL_GPL(ipu_cpmem_set_uv_offset); void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride) { + u32 ilo; + ipu_ch_param_write_field(ch, IPU_FIELD_SO, 1); - ipu_ch_param_write_field(ch, IPU_FIELD_ILO, stride / 8); + if (stride >= 0) + ilo = stride / 8; + else + ilo = 0x100000 - (-stride / 8); + ipu_ch_param_write_field(ch, IPU_FIELD_ILO, ilo); ipu_ch_param_write_field(ch, IPU_FIELD_SLY, (stride * 2) - 1); }; EXPORT_SYMBOL_GPL(ipu_cpmem_interlaced_scan); |