Quoting Bingbu Cao (2021-10-18 03:48:15) > There are some grid configuration limitations for ImgU, which was > not described clearly in current uAPI header file, add the description > to help user to set the grid configuration correctly. > > Signed-off-by: Bingbu Cao <bingbu.cao@xxxxxxxxx> > Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx> > --- > drivers/staging/media/ipu3/include/uapi/intel-ipu3.h | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff --git a/drivers/staging/media/ipu3/include/uapi/intel-ipu3.h b/drivers/staging/media/ipu3/include/uapi/intel-ipu3.h > index fa3d6ee5adf2..6d3ebb880a64 100644 > --- a/drivers/staging/media/ipu3/include/uapi/intel-ipu3.h > +++ b/drivers/staging/media/ipu3/include/uapi/intel-ipu3.h > @@ -34,11 +34,17 @@ > * struct ipu3_uapi_grid_config - Grid plane config > * > * @width: Grid horizontal dimensions, in number of grid blocks(cells). > + * For AWB, the range is (16, 80). > + * For AF/AE, the range is (16, 32). > * @height: Grid vertical dimensions, in number of grid cells. > + * For AWB, the range is (16, 60). > + * For AF/AE, the range is (16, 24). > * @block_width_log2: Log2 of the width of each cell in pixels. > - * for (2^3, 2^4, 2^5, 2^6, 2^7), values [3, 7]. > + * For AWB, the range is [3, 6]. > + * For AF/AE, the range is [3, 7]. > * @block_height_log2: Log2 of the height of each cell in pixels. > - * for (2^3, 2^4, 2^5, 2^6, 2^7), values [3, 7]. > + * For AWB, the range is [3, 6]. > + * For AF/AE, the range is [3, 7]. > * @height_per_slice: The number of blocks in vertical axis per slice. > * Default 2. > * @x_start: X value of top left corner of Region of Interest(ROI). > -- > 2.7.4 >
