[PATCH v5 07/10] media: verisilicon: postproc: Fix down scale test

[Benjamin Gaignard]

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

Signed-off-by: Benjamin Gaignard <benjamin.gaignard at collabora.com>
Fixes: fbb6c848dd89 ("media: destage Hantro VPU driver")
---
Note: Marek has propose exactly the same fix in this patch:
[PATCH] media: verisilicon: Do not enable G2 postproc downscale if source is narrower than destination

 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 e624cd98f41b..77d8ecfbe12f 100644
--- a/drivers/media/platform/verisilicon/hantro_postproc.c
+++ b/drivers/media/platform/verisilicon/hantro_postproc.c
@@ -107,7 +107,7 @@ 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