diff --git a/msm/dp/dp_display.c b/msm/dp/dp_display.c index 8ac7f46ce4..1ffd5b8741 100644 --- a/msm/dp/dp_display.c +++ b/msm/dp/dp_display.c @@ -348,7 +348,8 @@ static void dp_display_hdcp_cb_work(struct work_struct *work) dp_display_update_hdcp_status(dp, false); - if (dp->debug->force_encryption && ops && ops->force_encryption) + if (status->hdcp_state != HDCP_STATE_AUTHENTICATED && + dp->debug->force_encryption && ops && ops->force_encryption) ops->force_encryption(data, dp->debug->force_encryption); switch (status->hdcp_state) { diff --git a/msm/sde_hdcp_1x.c b/msm/sde_hdcp_1x.c index fe4e7fc945..70a8de7e7f 100644 --- a/msm/sde_hdcp_1x.c +++ b/msm/sde_hdcp_1x.c @@ -206,6 +206,7 @@ struct sde_hdcp_1x { bool sink_r0_ready; bool reauth; bool ksv_ready; + bool force_encryption; enum sde_hdcp_state hdcp_state; struct HDCP_V2V1_MSG_TOPOLOGY current_tp; struct delayed_work hdcp_auth_work; @@ -1067,10 +1068,13 @@ static void sde_hdcp_1x_auth_work(struct work_struct *work) } /* - * program hw to enable encryption as soon as - * authentication is successful. + * Program h/w to enable encryption as soon as authentication is + * successful. This is applicable for HDMI sinks and HDCP 1.x compliance + * test cases. */ - hdcp1_set_enc(hdcp->hdcp1_handle, true); + if (hdcp->init_data.client_id == HDCP_CLIENT_HDMI || + hdcp->force_encryption) + hdcp1_set_enc(hdcp->hdcp1_handle, true); rc = sde_hdcp_1x_authentication_part1(hdcp); if (rc) @@ -1224,7 +1228,9 @@ static void sde_hdcp_1x_off(void *input) pr_debug("%s: Deleted hdcp auth work\n", SDE_HDCP_STATE_NAME); - hdcp1_set_enc(hdcp->hdcp1_handle, false); + if (hdcp->init_data.client_id == HDCP_CLIENT_HDMI || + hdcp->force_encryption) + hdcp1_set_enc(hdcp->hdcp1_handle, false); reg = DSS_REG_R(io, reg_set->reset); DSS_REG_W(io, reg_set->reset, reg | reg_set->reset_bit); @@ -1353,6 +1359,18 @@ static bool sde_hdcp_1x_feature_supported(void *input) return feature_supported; } +static void sde_hdcp_1x_force_encryption(void *input, bool enable) +{ + struct sde_hdcp_1x *hdcp = (struct sde_hdcp_1x *)input; + + if (!hdcp) { + pr_err("invalid input\n"); + return; + } + hdcp->force_encryption = enable; + pr_info("force_encryption=%d\n", hdcp->force_encryption); +} + static bool sde_hdcp_1x_sink_support(void *input) { return true; @@ -1476,6 +1494,7 @@ void *sde_hdcp_1x_init(struct sde_hdcp_init_data *init_data) .reauthenticate = sde_hdcp_1x_reauthenticate, .authenticate = sde_hdcp_1x_authenticate, .feature_supported = sde_hdcp_1x_feature_supported, + .force_encryption = sde_hdcp_1x_force_encryption, .sink_support = sde_hdcp_1x_sink_support, .off = sde_hdcp_1x_off }; @@ -1520,6 +1539,7 @@ void *sde_hdcp_1x_init(struct sde_hdcp_init_data *init_data) hdcp->hdcp_state = HDCP_STATE_INACTIVE; init_completion(&hdcp->r0_checked); init_completion(&hdcp->sink_r0_available); + hdcp->force_encryption = false; pr_debug("HDCP module initialized. HDCP_STATE=%s\n", SDE_HDCP_STATE_NAME);