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media: rockchip: isp: fix ldch err

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Change-Id: I6b8e2beb068343823fe46a96a4384f3159ae960f
Signed-off-by: Cai YiWei <cyw@rock-chips.com>
This commit is contained in:
Cai YiWei
2022-07-12 11:44:57 +08:00
committed by Tao Huang
parent 13bc82b203
commit 846b7640cf
1 changed files with 13 additions and 0 deletions
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13
drivers/media/platform/rockchip/isp/rkisp.c
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@@ -698,6 +698,19 @@ run_next:
rkisp_unite_write(dev, ISP_CTRL, val, true, hw->is_unite);
/* bayer pat after ISP_CFG_UPD for multi sensor to read lsc r/g/b table */
rkisp_update_regs(dev, ISP_ACQ_PROP, ISP_ACQ_PROP);
/* fix ldch multi sensor case:
* ldch will pre-read data when en and isp force upd or frame end,
* udelay for ldch pre-read data.
* ldch en=0 before start for frame end to stop ldch read data.
*/
val = rkisp_read(dev, ISP_LDCH_BASE, true);
if (!hw->is_single && val & BIT(0)) {
udelay(50);
val &= ~(BIT(0) | BIT(31));
writel(val, hw->base_addr + ISP_LDCH_BASE);
if (hw->is_unite)
writel(val, hw->base_next_addr + ISP_LDCH_BASE);
}
}
if (is_3dlut_upd)
rkisp_unite_write(dev, ISP_3DLUT_UPDATE, 1, true, hw->is_unite);