media: rockchip: isp: fix underperformance for frame two-run

Change-Id: I525ecbbbb56e9851f4b5f970663f54a5c95a3fcd Signed-off-by: Cai YiWei <cyw@rock-chips.com>
2023-08-31 17:48:07 +08:00
parent c173b6c0c1
commit 4fddb54054
1 changed files with 3 additions and 1 deletions
@@ -518,7 +518,9 @@ static void rkisp_dvfs(struct rkisp_device *dev)
 	do_div(data_rate, 1000 * 1000);
 	/* increase margin: 25% * num */
 	data_rate += (data_rate >> 2) * num;
-
+	/* one frame two-run, data double */
+	if (hw->is_multi_overflow && num > 1)
+		data_rate *= 2;
 	/* compare with isp clock adjustment table */
 	for (i = 0; i < hw->num_clk_rate_tbl; i++)
 		if (data_rate <= hw->clk_rate_tbl[i].clk_rate)