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hdmitx: disable encryption hdcp1.4 fail [1/1]

Browse Source 
PD#SWPL-2302

Problem:
Play online video,half an hour later, the TV shows
a pink screen and the sound is normal.

Solution:
Check hdcp1.4 status and disable encryption when fail.

Verify:
S922X

Change-Id: I6ce51824726b267d140750f9e9d80aa8bb921cac
Signed-off-by: Kaifu Hu <kaifu.hu@amlogic.com>
This commit is contained in:
Kaifu Hu
2018-11-22 18:55:48 +08:00
committed by Dongjin Kim
parent 40a0067bb1
commit 196b041455
1 changed files with 4 additions and 0 deletions
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4
drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c
View File

@@ -4637,6 +4637,10 @@ static void hdcptx_events_handle(unsigned long arg)
st_flag = hdmitx_rd_reg(HDMITX_DWC_A_APIINTSTAT);
pr_info("hdcp14: instat: 0x%x\n", st_flag);
}
if (st_flag & (1 << 6)) {
hdmitx_set_reg_bits(HDMITX_DWC_A_HDCPCFG1, 1, 1, 1);
}
if (st_flag & (1 << 7)) {
hdmitx_wr_reg(HDMITX_DWC_A_APIINTCLR, 1 << 7);
hdmitx_hdcp_opr(3);