From: Bingbu Cao Date: Mon, 18 Oct 2021 02:48:15 +0000 (+0100) Subject: media: staging: ipu3-imgu: clarify the limitation of grid config X-Git-Tag: v5.17-rc1~171^2~381 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9b005ce90628b6cb7702dcd7d4d512a8b3943519;p=thirdparty%2Flinux.git media: staging: ipu3-imgu: clarify the limitation of grid config 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 Reviewed-by: Laurent Pinchart Reviewed-by: Kieran Bingham Reviewed-by: Jean-Michel Hautbois Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/staging/media/ipu3/include/uapi/intel-ipu3.h b/drivers/staging/media/ipu3/include/uapi/intel-ipu3.h index 585f55981c86c..a3ffd486d2917 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).