[PATCH v4 07/10] media: verisilicon: postproc: Fix down scale test

From: Benjamin Gaignard
Date: Wed Jul 05 2023 - 08:11:28 EST


Do not allow down scaling if the source buffer resolution is
smaller than destination one.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxxxxx>
Fixes: fbb6c848dd89 ("media: destage Hantro VPU driver")
---
version 4:
- Add Fixes tag

drivers/media/platform/verisilicon/hantro_postproc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/verisilicon/hantro_postproc.c b/drivers/media/platform/verisilicon/hantro_postproc.c
index 9dfe3141a398..38e812089514 100644
--- a/drivers/media/platform/verisilicon/hantro_postproc.c
+++ b/drivers/media/platform/verisilicon/hantro_postproc.c
@@ -103,7 +103,7 @@ static void hantro_postproc_g1_enable(struct hantro_ctx *ctx)

static int down_scale_factor(struct hantro_ctx *ctx)
{
- if (ctx->src_fmt.width == ctx->dst_fmt.width)
+ if (ctx->src_fmt.width <= ctx->dst_fmt.width)
return 0;

return DIV_ROUND_CLOSEST(ctx->src_fmt.width, ctx->dst_fmt.width);
--
2.39.2