ipa: rkisp1: awb: Don't calculate RGB means if stats are missing

When statistics are missing we can't meaningfully calculate the RGB
means. Move their calculation after checking if stats are available.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/src/ipa/rkisp1/algorithms/awb.cpp b/src/ipa/rkisp1/algorithms/awb.cpp
index af34b81b..47b607c6 100644
--- a/src/ipa/rkisp1/algorithms/awb.cpp
+++ b/src/ipa/rkisp1/algorithms/awb.cpp
@@ -279,10 +279,7 @@ void Awb::process(IPAContext &context,
 		  const rkisp1_stat_buffer *stats,
 		  ControlList &metadata)
 {
-	const rkisp1_cif_isp_stat *params = &stats->params;
-	const rkisp1_cif_isp_awb_stat *awb = &params->awb;
 	IPAActiveState &activeState = context.activeState;
-	RGB<double> rgbMeans = calculateRgbMeans(frameContext, awb);
 
 	metadata.set(controls::AwbEnable, frameContext.awb.autoEnabled);
 	metadata.set(controls::ColourGains, {
@@ -296,6 +293,11 @@ void Awb::process(IPAContext &context,
 		return;
 	}
 
+	const rkisp1_cif_isp_stat *params = &stats->params;
+	const rkisp1_cif_isp_awb_stat *awb = &params->awb;
+
+	RGB<double> rgbMeans = calculateRgbMeans(frameContext, awb);
+
 	/*
 	 * If the means are too small we don't have enough information to
 	 * meaningfully calculate gains. Freeze the algorithm in that case.