Hi Jean-Michel, Thank you for the patch. On Thu, Sep 16, 2021 at 07:25:04PM +0200, Jean-Michel Hautbois wrote: > While playing with low resolutions for the grid, it appeared that > height_per_slice is not initialised if we are not using both stripes for > the calculations. This pattern occurs three times: > - for the awb_fr processing block > - for the af processing block > - for the awb processing block > > The idea of this small portion of code is to reduce complexity in > loading the statistics, it could be done also when only one stripe is > used. Fix it by getting this initialisation code outside of the else() > test case. > > Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@xxxxxxxxxxxxxxxx> > --- > drivers/staging/media/ipu3/ipu3-css-params.c | 44 ++++++++++---------- > 1 file changed, 22 insertions(+), 22 deletions(-) > > diff --git a/drivers/staging/media/ipu3/ipu3-css-params.c b/drivers/staging/media/ipu3/ipu3-css-params.c > index e9d6bd9e9332..05da7dbdca78 100644 > --- a/drivers/staging/media/ipu3/ipu3-css-params.c > +++ b/drivers/staging/media/ipu3/ipu3-css-params.c > @@ -2428,16 +2428,16 @@ int imgu_css_cfg_acc(struct imgu_css *css, unsigned int pipe, > acc->awb_fr.stripes[1].grid_cfg.width, > b_w_log2); > acc->awb_fr.stripes[1].grid_cfg.x_end = end; > - > - /* > - * To reduce complexity of debubbling and loading > - * statistics fix grid_height_per_slice to 1 for both > - * stripes. > - */ > - for (i = 0; i < stripes; i++) > - acc->awb_fr.stripes[i].grid_cfg.height_per_slice = 1; > } > > + /* > + * To reduce complexity of debubbling and loading > + * statistics fix grid_height_per_slice to 1 for both > + * stripes. > + */ You could rewrap this and the comments below at 80 columns. Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > + for (i = 0; i < stripes; i++) > + acc->awb_fr.stripes[i].grid_cfg.height_per_slice = 1; > + > if (imgu_css_awb_fr_ops_calc(css, pipe, &acc->awb_fr)) > return -EINVAL; > > @@ -2591,15 +2591,15 @@ int imgu_css_cfg_acc(struct imgu_css *css, unsigned int pipe, > imgu_css_grid_end(acc->af.stripes[1].grid_cfg.x_start, > acc->af.stripes[1].grid_cfg.width, > b_w_log2); > - > - /* > - * To reduce complexity of debubbling and loading statistics > - * fix grid_height_per_slice to 1 for both stripes > - */ > - for (i = 0; i < stripes; i++) > - acc->af.stripes[i].grid_cfg.height_per_slice = 1; > } > > + /* > + * To reduce complexity of debubbling and loading statistics > + * fix grid_height_per_slice to 1 for both stripes > + */ > + for (i = 0; i < stripes; i++) > + acc->af.stripes[i].grid_cfg.height_per_slice = 1; > + > if (imgu_css_af_ops_calc(css, pipe, &acc->af)) > return -EINVAL; > > @@ -2660,15 +2660,15 @@ int imgu_css_cfg_acc(struct imgu_css *css, unsigned int pipe, > imgu_css_grid_end(acc->awb.stripes[1].grid.x_start, > acc->awb.stripes[1].grid.width, > b_w_log2); > - > - /* > - * To reduce complexity of debubbling and loading statistics > - * fix grid_height_per_slice to 1 for both stripes > - */ > - for (i = 0; i < stripes; i++) > - acc->awb.stripes[i].grid.height_per_slice = 1; > } > > + /* > + * To reduce complexity of debubbling and loading statistics > + * fix grid_height_per_slice to 1 for both stripes > + */ > + for (i = 0; i < stripes; i++) > + acc->awb.stripes[i].grid.height_per_slice = 1; > + > if (imgu_css_awb_ops_calc(css, pipe, &acc->awb)) > return -EINVAL; > -- Regards, Laurent Pinchart