Commit 63a85ff6 authored by Bhawanpreet Lakha's avatar Bhawanpreet Lakha Committed by Alex Deucher
Browse files

drm/amd/display: Fix HDMI repeater authentication 



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

Fixes: 30216900 ("drm/amd/display: split rxstatus for hdmi and dp")
Signed-off-by: default avatarBhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: default avatarWenjing Liu <Wenjing.Liu@amd.com>
Acked-by: default avatarRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 493ba661

drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c

+2 −2
Original line number Diff line number Diff line
@@ -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;

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