A not calibrated x_start setting would result in an incorrect AWB location
configuration on a sensor when only the rightmost stripe is used. x_start
should be calibrated by subtracting the stripe offset to set the coordinate
to the correct position on the second stripe.
Signed-off-by: Kate Hsuan <hpa@xxxxxxxxxx>
---
drivers/staging/media/ipu3/ipu3-css-params.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/staging/media/ipu3/ipu3-css-params.c b/drivers/staging/media/ipu3/ipu3-css-params.c
index f84cf11358a8..050d7df7e72a 100644
--- a/drivers/staging/media/ipu3/ipu3-css-params.c
+++ b/drivers/staging/media/ipu3/ipu3-css-params.c
@@ -2393,6 +2393,15 @@ int imgu_css_cfg_acc(struct imgu_css *css, unsigned int pipe,
/* Enable only for rightmost stripe, disable left */
acc->awb_fr.stripes[0].grid_cfg.y_start &=
~IPU3_UAPI_GRID_Y_START_EN;
+ acc->awb_fr.stripes[1].grid_cfg.x_start =
+ (acc->awb_fr.stripes[1].grid_cfg.x_start -
+ acc->stripe.down_scaled_stripes[1].offset) &
+ IPU3_UAPI_GRID_START_MASK;
+ b_w_log2 = acc->awb_fr.stripes[1].grid_cfg.block_width_log2;
+ acc->awb_fr.stripes[1].grid_cfg.x_end =
+ imgu_css_grid_end(acc->awb_fr.stripes[1].grid_cfg.x_start,
+ acc->awb_fr.stripes[1].grid_cfg.width,
+ b_w_log2);
} else if (acc->awb_fr.config.grid_cfg.x_end <=
acc->stripe.bds_out_stripes[0].width - min_overlap) {
/* Enable only for leftmost stripe, disable right */
--
2.35.1
