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

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>

diff --git a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c
index 96682a3..d7d629c 100644 (file)
--- a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c
+++ b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c
@@ -4317,6 +4317,10 @@ 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);