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authorJacopo Mondi <jacopo.mondi@ideasonboard.com>2025-06-12 16:58:21 +0200
committerHans Verkuil <hverkuil@xs4all.nl>2025-07-03 09:25:01 +0200
commitaa89281bbc0b61610c96074c6390aed44474ebd0 (patch)
tree91d60e682e885cf0eb4b5eb246ab05ca94250f2c
parente9bb2eacc7222ff8210903eb3b7d56709cc53228 (diff)
media: pisp_be: Use clamp() and define max sizes
Use the clamp() function from minmax.h and provide a define for the max sizes as they will be used in subsequent patches. Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com> Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
-rw-r--r--drivers/media/platform/raspberrypi/pisp_be/pisp_be.c11
-rw-r--r--include/uapi/linux/media/raspberrypi/pisp_be_config.h9
2 files changed, 12 insertions, 8 deletions
diff --git a/drivers/media/platform/raspberrypi/pisp_be/pisp_be.c b/drivers/media/platform/raspberrypi/pisp_be/pisp_be.c
index be794a123620..b30891718d8d 100644
--- a/drivers/media/platform/raspberrypi/pisp_be/pisp_be.c
+++ b/drivers/media/platform/raspberrypi/pisp_be/pisp_be.c
@@ -9,6 +9,7 @@
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/lockdep.h>
+#include <linux/minmax.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
@@ -1112,10 +1113,12 @@ static void pispbe_try_format(struct v4l2_format *f, struct pispbe_node *node)
f->fmt.pix_mp.pixelformat = fmt->fourcc;
f->fmt.pix_mp.num_planes = fmt->num_planes;
f->fmt.pix_mp.field = V4L2_FIELD_NONE;
- f->fmt.pix_mp.width = max(min(f->fmt.pix_mp.width, 65536u),
- PISP_BACK_END_MIN_TILE_WIDTH);
- f->fmt.pix_mp.height = max(min(f->fmt.pix_mp.height, 65536u),
- PISP_BACK_END_MIN_TILE_HEIGHT);
+ f->fmt.pix_mp.width = clamp(f->fmt.pix_mp.width,
+ PISP_BACK_END_MIN_TILE_WIDTH,
+ PISP_BACK_END_MAX_TILE_WIDTH);
+ f->fmt.pix_mp.height = clamp(f->fmt.pix_mp.height,
+ PISP_BACK_END_MIN_TILE_HEIGHT,
+ PISP_BACK_END_MAX_TILE_HEIGHT);
/*
* Fill in the actual colour space when the requested one was
diff --git a/include/uapi/linux/media/raspberrypi/pisp_be_config.h b/include/uapi/linux/media/raspberrypi/pisp_be_config.h
index cbeb714f4d61..2ad3b90684d7 100644
--- a/include/uapi/linux/media/raspberrypi/pisp_be_config.h
+++ b/include/uapi/linux/media/raspberrypi/pisp_be_config.h
@@ -21,10 +21,11 @@
/* preferred byte alignment for outputs */
#define PISP_BACK_END_OUTPUT_MAX_ALIGN 64u
-/* minimum allowed tile width anywhere in the pipeline */
-#define PISP_BACK_END_MIN_TILE_WIDTH 16u
-/* minimum allowed tile width anywhere in the pipeline */
-#define PISP_BACK_END_MIN_TILE_HEIGHT 16u
+/* minimum allowed tile sizes anywhere in the pipeline */
+#define PISP_BACK_END_MIN_TILE_WIDTH 16u
+#define PISP_BACK_END_MIN_TILE_HEIGHT 16u
+#define PISP_BACK_END_MAX_TILE_WIDTH 65536u
+#define PISP_BACK_END_MAX_TILE_HEIGHT 65536u
#define PISP_BACK_END_NUM_OUTPUTS 2
#define PISP_BACK_END_HOG_OUTPUT 1