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[2/2] media: rkisp1: Limit the sink pad crop size

Message ID 20210325192700.21393-3-sebastian.fricke@posteo.net
State New
Headers show
Series Allow higher sink pad resolutions for the RkISP1 | expand

Commit Message

Sebastian Fricke March 25, 2021, 7:27 p.m. UTC 
The RkISP can take higher input resolutions than 4032x3024, but the TRM
declares this size as the maximum size for handling black level calibration.
Crop the input resolution down to the expected size.

Signed-off-by: Sebastian Fricke <sebastian.fricke@posteo.net>
---
 drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
index 2e5b57e3aedc..06d3cca0c00c 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
@@ -758,9 +758,13 @@  static void rkisp1_isp_set_sink_crop(struct rkisp1_isp *isp,
 					  which);
 
 	sink_crop->left = ALIGN(r->left, 2);
-	sink_crop->width = ALIGN(r->width, 2);
+	sink_crop->width = clamp_t(u32, ALIGN(r->width, 2),
+				   RKISP1_ISP_MIN_WIDTH,
+				   RKISP1_ISP_MAX_WIDTH_PROCESSING);
 	sink_crop->top = r->top;
-	sink_crop->height = r->height;
+	sink_crop->height = clamp_t(u32, r->height,
+				    RKISP1_ISP_MIN_HEIGHT,
+				    RKISP1_ISP_MAX_HEIGHT_PROCESSING);
 	rkisp1_sd_adjust_crop(sink_crop, sink_fmt);
 
 	*r = *sink_crop;