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video: rockchip: mpp: reset osd plt clock config before setting register

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rkvenc: osd plt clock should reset, othterwise, osd setting will not work

Change-Id: I47752b735b6f63303e9b12f4616510f2701970bd
Signed-off-by: Ding Wei <leo.ding@rock-chips.com>
This commit is contained in:
Ding Wei
2020-03-26 17:38:56 +08:00
parent 0f7832c079
commit c7377b7be5
1 changed files with 6 additions and 0 deletions
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6
drivers/video/rockchip/mpp/mpp_rkvenc.c
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@@ -384,6 +384,12 @@ static int rkvenc_run(struct mpp_dev *mpp,
struct mpp_request *req;
u32 reg_en = task->hw_info->reg_en;
/*
* Tips: ensure osd plt clock is 0 before setting register,
* otherwise, osd setting will not work
*/
mpp_write_relaxed(mpp, RKVENC_OSD_CFG_BASE, 0);
wmb();
for (i = 0; i < task->w_req_cnt; i++) {
int s, e;