Re: [PATCH v3 02/14] gpu: ipu-csi: Check for field type alternate

Hi Steve,

On Wed, 2018-08-01 at 12:12 -0700, Steve Longerbeam wrote:

When the CSI is receiving from a bt.656 bus, include a check for field type 'alternate' when determining whether to set CSI clock mode to CCIR656_INTERLACED or CCIR656_PROGRESSIVE.

Signed-off-by: Steve Longerbeam steve_longerbeam@mentor.com

drivers/gpu/ipu-v3/ipu-csi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/ipu-v3/ipu-csi.c b/drivers/gpu/ipu-v3/ipu-csi.c index caa05b0..5450a2d 100644 --- a/drivers/gpu/ipu-v3/ipu-csi.c +++ b/drivers/gpu/ipu-v3/ipu-csi.c @@ -339,7 +339,8 @@ static void fill_csi_bus_cfg(struct ipu_csi_bus_config *csicfg, break; case V4L2_MBUS_BT656: csicfg->ext_vsync = 0;

• if (V4L2_FIELD_HAS_BOTH(mbus_fmt->field))
  

• if (V4L2_FIELD_HAS_BOTH(mbus_fmt->field) ||
  

•     mbus_fmt->field == V4L2_FIELD_ALTERNATE)
  csicfg->clk_mode = IPU_CSI_CLK_MODE_CCIR656_INTERLACED;
  

  else csicfg->clk_mode = IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE;

this patch is already merged in v4.18-rc7.

regards Philipp