[v5,10/16] ipa: rkisp1: ccm: Use Q<4, 7> format directly
diff mbox series

Message ID 20260114173918.1744023-11-kieran.bingham@ideasonboard.com
State Superseded
Headers show
Series
  • libipa: Introduce a Quantized type
Related show

Commit Message

Kieran Bingham Jan. 14, 2026, 5:39 p.m. UTC
Replace the legacy call to floatingToFixedPoint with the new FixedPoint
quantizer to explicitly describe the type used by the RKISP1 Colour
Correction Matrix.

Reviewed-by: Isaac Scott <isaac.scott@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

---
v5:
 - Use Q<4, 7>

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
---
 src/ipa/rkisp1/algorithms/ccm.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Barnabás Pőcze Jan. 15, 2026, 2:12 p.m. UTC | #1
2026. 01. 14. 18:39 keltezéssel, Kieran Bingham írta:
> Replace the legacy call to floatingToFixedPoint with the new FixedPoint
> quantizer to explicitly describe the type used by the RKISP1 Colour
> Correction Matrix.
> 
> Reviewed-by: Isaac Scott <isaac.scott@ideasonboard.com>
> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
> 
> ---
> v5:
>   - Use Q<4, 7>
> 
> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
> ---
>   src/ipa/rkisp1/algorithms/ccm.cpp | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/src/ipa/rkisp1/algorithms/ccm.cpp b/src/ipa/rkisp1/algorithms/ccm.cpp
> index de2b6fe775aa..466d7a116eea 100644
> --- a/src/ipa/rkisp1/algorithms/ccm.cpp
> +++ b/src/ipa/rkisp1/algorithms/ccm.cpp
> @@ -117,8 +117,7 @@ void Ccm::setParameters(struct rkisp1_cif_isp_ctk_config &config,
>   	 */
>   	for (unsigned int i = 0; i < 3; i++) {
>   		for (unsigned int j = 0; j < 3; j++)
> -			config.coeff[i][j] =
> -				floatingToFixedPoint<4, 7, uint16_t, double>(matrix[i][j]);
> +			config.coeff[i][j] = Q<4, 7>(matrix[i][j]).quantized();

Looks ok to me.

Reviewed-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>


>   	}
>   
>   	for (unsigned int i = 0; i < 3; i++)

Patch
diff mbox series

diff --git a/src/ipa/rkisp1/algorithms/ccm.cpp b/src/ipa/rkisp1/algorithms/ccm.cpp
index de2b6fe775aa..466d7a116eea 100644
--- a/src/ipa/rkisp1/algorithms/ccm.cpp
+++ b/src/ipa/rkisp1/algorithms/ccm.cpp
@@ -117,8 +117,7 @@  void Ccm::setParameters(struct rkisp1_cif_isp_ctk_config &config,
 	 */
 	for (unsigned int i = 0; i < 3; i++) {
 		for (unsigned int j = 0; j < 3; j++)
-			config.coeff[i][j] =
-				floatingToFixedPoint<4, 7, uint16_t, double>(matrix[i][j]);
+			config.coeff[i][j] = Q<4, 7>(matrix[i][j]).quantized();
 	}
 
 	for (unsigned int i = 0; i < 3; i++)