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media: i2c: rk628: fix issue of incorrect calculation of dst_rate

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Signed-off-by: Chen Shunqing <csq@rock-chips.com>
Change-Id: I46f25b2b979c1974a98572e2d0f57925bd476ed2
This commit is contained in:
Chen Shunqing
2025-05-30 09:33:44 +08:00
parent c390a61e69
commit 0e2ee0944a
1 changed files with 5 additions and 3 deletions
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8
drivers/media/i2c/rk628/rk628.c
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@@ -739,13 +739,15 @@ void rk628_post_process_en(struct rk628 *rk628,
u64 *dst_pclk)
{
u64 dst_rate, src_rate;
u64 dst_htotal, src_htotal;
u64 dst_htotal, dst_vtotal, src_htotal, src_vtotal;
src_rate = src->pixelclock;
dst_htotal = dst->hactive + dst->hfront_porch + dst->hsync_len + dst->hback_porch;
dst_rate = src_rate * dst->vactive * dst_htotal;
dst_vtotal = dst->vactive + dst->vfront_porch + dst->vsync_len + dst->vback_porch;
dst_rate = src_rate * dst_vtotal * dst_htotal;
src_htotal = src->hactive + src->hfront_porch + src->hsync_len + src->hback_porch;
do_div(dst_rate, (src->vactive * src_htotal));
src_vtotal = src->vactive + src->vfront_porch + src->vsync_len + src->vback_porch;
do_div(dst_rate, (src_vtotal * src_htotal));
dst->pixelclock = dst_rate;
*dst_pclk = dst->pixelclock;