diff mbox series

[v2] media: staging: ipu3-imgu: clarify the limitation of grid config

Message ID 1634525295-1410-1-git-send-email-bingbu.cao@intel.com (mailing list archive)
State New, archived
Headers show
Series [v2] media: staging: ipu3-imgu: clarify the limitation of grid config | expand

Commit Message

Bingbu Cao Oct. 18, 2021, 2:48 a.m. UTC
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@intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 drivers/staging/media/ipu3/include/uapi/intel-ipu3.h | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

Comments

Kieran Bingham Oct. 19, 2021, 10:21 a.m. UTC | #1
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@intel.com>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>

> ---
>  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
>
Jean-Michel Hautbois Oct. 19, 2021, 12:10 p.m. UTC | #2
Hi Bingbu !

On 19/10/2021 12:21, Kieran Bingham wrote:
> 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@intel.com>
>> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> 
> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>

Thanks a lot, it helps :-) !

Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
> 
>> ---
>>   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
>>
diff mbox series

Patch

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).