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drm/amd/display: Fix HDMI repeater authentication

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when the rxstatus split was done the index was incorrect. This
lead to HDMI repeater authentication failure for HDCP2.X So fix it

Fixes: 3021690037 ("drm/amd/display: split rxstatus for hdmi and dp")
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Bhawanpreet Lakha 2020-02-07 11:02:26 -05:00 committed by Alex Deucher
parent 493ba6611d
commit 63a85ff6c3
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
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@ -34,7 +34,7 @@ static inline enum mod_hdcp_status check_receiver_id_list_ready(struct mod_hdcp
if (is_dp_hdcp(hdcp))
is_ready = HDCP_2_2_DP_RXSTATUS_READY(hdcp->auth.msg.hdcp2.rxstatus_dp) ? 1 : 0;
else
is_ready = (HDCP_2_2_HDMI_RXSTATUS_READY(hdcp->auth.msg.hdcp2.rxstatus[0]) &&
is_ready = (HDCP_2_2_HDMI_RXSTATUS_READY(hdcp->auth.msg.hdcp2.rxstatus[1]) &&
(HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
hdcp->auth.msg.hdcp2.rxstatus[0])) ? 1 : 0;
return is_ready ? MOD_HDCP_STATUS_SUCCESS :
@ -67,7 +67,7 @@ static inline enum mod_hdcp_status check_reauthentication_request(
MOD_HDCP_STATUS_HDCP2_REAUTH_REQUEST :
MOD_HDCP_STATUS_SUCCESS;
else
ret = HDCP_2_2_HDMI_RXSTATUS_REAUTH_REQ(hdcp->auth.msg.hdcp2.rxstatus[0]) ?
ret = HDCP_2_2_HDMI_RXSTATUS_REAUTH_REQ(hdcp->auth.msg.hdcp2.rxstatus[1]) ?
MOD_HDCP_STATUS_HDCP2_REAUTH_REQUEST :
MOD_HDCP_STATUS_SUCCESS;
return ret;