diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c | 103 |
1 files changed, 93 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c index d7ac445dec6f..8aa528e874c4 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c @@ -37,24 +37,52 @@ static void push_error_status(struct mod_hdcp *hdcp, HDCP_ERROR_TRACE(hdcp, status); } - hdcp->connection.hdcp1_retry_count++; + if (is_hdcp1(hdcp)) { + hdcp->connection.hdcp1_retry_count++; + } else if (is_hdcp2(hdcp)) { + hdcp->connection.hdcp2_retry_count++; + } } static uint8_t is_cp_desired_hdcp1(struct mod_hdcp *hdcp) { - int i, display_enabled = 0; + int i, is_auth_needed = 0; - /* if all displays on the link are disabled, hdcp is not desired */ + /* if all displays on the link don't need authentication, + * hdcp is not desired + */ for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) { if (hdcp->connection.displays[i].state != MOD_HDCP_DISPLAY_INACTIVE && !hdcp->connection.displays[i].adjust.disable) { - display_enabled = 1; + is_auth_needed = 1; break; } } return (hdcp->connection.hdcp1_retry_count < MAX_NUM_OF_ATTEMPTS) && - display_enabled && !hdcp->connection.link.adjust.hdcp1.disable; + is_auth_needed && + !hdcp->connection.link.adjust.hdcp1.disable; +} + +static uint8_t is_cp_desired_hdcp2(struct mod_hdcp *hdcp) +{ + int i, is_auth_needed = 0; + + /* if all displays on the link don't need authentication, + * hdcp is not desired + */ + for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) { + if (hdcp->connection.displays[i].state != MOD_HDCP_DISPLAY_INACTIVE && + !hdcp->connection.displays[i].adjust.disable) { + is_auth_needed = 1; + break; + } + } + + return (hdcp->connection.hdcp2_retry_count < MAX_NUM_OF_ATTEMPTS) && + is_auth_needed && + !hdcp->connection.link.adjust.hdcp2.disable && + !hdcp->connection.is_hdcp2_revoked; } static enum mod_hdcp_status execution(struct mod_hdcp *hdcp, @@ -82,6 +110,11 @@ static enum mod_hdcp_status execution(struct mod_hdcp *hdcp, } else if (is_in_hdcp1_dp_states(hdcp)) { status = mod_hdcp_hdcp1_dp_execution(hdcp, event_ctx, &input->hdcp1); + } else if (is_in_hdcp2_states(hdcp)) { + status = mod_hdcp_hdcp2_execution(hdcp, event_ctx, &input->hdcp2); + } else if (is_in_hdcp2_dp_states(hdcp)) { + status = mod_hdcp_hdcp2_dp_execution(hdcp, + event_ctx, &input->hdcp2); } out: return status; @@ -99,7 +132,10 @@ static enum mod_hdcp_status transition(struct mod_hdcp *hdcp, if (is_in_initialized_state(hdcp)) { if (is_dp_hdcp(hdcp)) - if (is_cp_desired_hdcp1(hdcp)) { + if (is_cp_desired_hdcp2(hdcp)) { + callback_in_ms(0, output); + set_state_id(hdcp, output, D2_A0_DETERMINE_RX_HDCP_CAPABLE); + } else if (is_cp_desired_hdcp1(hdcp)) { callback_in_ms(0, output); set_state_id(hdcp, output, D1_A0_DETERMINE_RX_HDCP_CAPABLE); } else { @@ -107,7 +143,10 @@ static enum mod_hdcp_status transition(struct mod_hdcp *hdcp, set_state_id(hdcp, output, HDCP_CP_NOT_DESIRED); } else if (is_hdmi_dvi_sl_hdcp(hdcp)) - if (is_cp_desired_hdcp1(hdcp)) { + if (is_cp_desired_hdcp2(hdcp)) { + callback_in_ms(0, output); + set_state_id(hdcp, output, H2_A0_KNOWN_HDCP2_CAPABLE_RX); + } else if (is_cp_desired_hdcp1(hdcp)) { callback_in_ms(0, output); set_state_id(hdcp, output, H1_A0_WAIT_FOR_ACTIVE_RX); } else { @@ -126,6 +165,12 @@ static enum mod_hdcp_status transition(struct mod_hdcp *hdcp, } else if (is_in_hdcp1_dp_states(hdcp)) { status = mod_hdcp_hdcp1_dp_transition(hdcp, event_ctx, &input->hdcp1, output); + } else if (is_in_hdcp2_states(hdcp)) { + status = mod_hdcp_hdcp2_transition(hdcp, + event_ctx, &input->hdcp2, output); + } else if (is_in_hdcp2_dp_states(hdcp)) { + status = mod_hdcp_hdcp2_dp_transition(hdcp, + event_ctx, &input->hdcp2, output); } else { status = MOD_HDCP_STATUS_INVALID_STATE; } @@ -139,9 +184,13 @@ static enum mod_hdcp_status reset_authentication(struct mod_hdcp *hdcp, enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; if (is_hdcp1(hdcp)) { - if (hdcp->auth.trans_input.hdcp1.create_session != UNKNOWN) + if (hdcp->auth.trans_input.hdcp1.create_session != UNKNOWN) { + /* TODO - update psp to unify create session failure + * recovery between hdcp1 and 2. + */ mod_hdcp_hdcp1_destroy_session(hdcp); + } if (hdcp->auth.trans_input.hdcp1.add_topology == PASS) { status = mod_hdcp_remove_display_topology(hdcp); if (status != MOD_HDCP_STATUS_SUCCESS) { @@ -154,6 +203,27 @@ static enum mod_hdcp_status reset_authentication(struct mod_hdcp *hdcp, memset(&hdcp->auth, 0, sizeof(struct mod_hdcp_authentication)); memset(&hdcp->state, 0, sizeof(struct mod_hdcp_state)); set_state_id(hdcp, output, HDCP_INITIALIZED); + } else if (is_hdcp2(hdcp)) { + if (hdcp->auth.trans_input.hdcp2.create_session == PASS) { + status = mod_hdcp_hdcp2_destroy_session(hdcp); + if (status != MOD_HDCP_STATUS_SUCCESS) { + output->callback_needed = 0; + output->watchdog_timer_needed = 0; + goto out; + } + } + if (hdcp->auth.trans_input.hdcp2.add_topology == PASS) { + status = mod_hdcp_remove_display_topology(hdcp); + if (status != MOD_HDCP_STATUS_SUCCESS) { + output->callback_needed = 0; + output->watchdog_timer_needed = 0; + goto out; + } + } + HDCP_TOP_RESET_AUTH_TRACE(hdcp); + memset(&hdcp->auth, 0, sizeof(struct mod_hdcp_authentication)); + memset(&hdcp->state, 0, sizeof(struct mod_hdcp_state)); + set_state_id(hdcp, output, HDCP_INITIALIZED); } else if (is_in_cp_not_desired_state(hdcp)) { status = mod_hdcp_remove_display_topology(hdcp); if (status != MOD_HDCP_STATUS_SUCCESS) { @@ -347,7 +417,20 @@ enum mod_hdcp_status mod_hdcp_query_display(struct mod_hdcp *hdcp, query->trace = &hdcp->connection.trace; query->encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP_OFF; - mod_hdcp_hdcp1_get_link_encryption_status(hdcp, &query->encryption_status); + if (is_display_encryption_enabled(display)) { + if (is_hdcp1(hdcp)) { + query->encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP1_ON; + } else if (is_hdcp2(hdcp)) { + if (query->link->adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_0) + query->encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP2_TYPE0_ON; + else if (query->link->adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_1) + query->encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP2_TYPE1_ON; + else + query->encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP2_ON; + } + } else { + query->encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP_OFF; + } out: return status; @@ -420,7 +503,7 @@ enum mod_hdcp_operation_mode mod_hdcp_signal_type_to_operation_mode( break; default: break; - }; + } return mode; } |