From: Bhawanpreet Lakha Date: Fri, 7 Feb 2020 16:02:26 +0000 (-0500) Subject: drm/amd/display: Fix HDMI repeater authentication X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=63a85ff6c35d8a7aaf0fb60ddbab93530d495bf3;p=linux.git 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: 302169003733 ("drm/amd/display: split rxstatus for hdmi and dp") Signed-off-by: Bhawanpreet Lakha Reviewed-by: Wenjing Liu Acked-by: Rodrigo Siqueira Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c index 340df6d406f92..491c00f48026e 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c @@ -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;