drm/amd/display: add force Type0/1 flag
authorBhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Thu, 29 Aug 2019 19:26:54 +0000 (15:26 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 19 Nov 2019 15:12:53 +0000 (10:12 -0500)
[Why]
Before we had a disable_type1 flag, this forced HDCP 2.2 to type0
There was no way to force type1.

[How]
Remove disable_type1 flag and instead add a flag to force type0/1.

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.h
drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c
drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h

index eb7eb12..8531846 100644 (file)
@@ -6838,7 +6838,7 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
                if (is_content_protection_different(new_con_state, old_con_state, connector, adev->dm.hdcp_workqueue))
                        hdcp_update_display(
                                adev->dm.hdcp_workqueue, aconnector->dc_link->link_index, aconnector,
-                               new_con_state->hdcp_content_type == DRM_MODE_HDCP_CONTENT_TYPE0 ? true : false,
+                               new_con_state->hdcp_content_type,
                                new_con_state->content_protection == DRM_MODE_CONTENT_PROTECTION_DESIRED ? true
                                                                                                         : false);
        }
index 53e382b..244a8e8 100644 (file)
@@ -90,7 +90,7 @@ static void process_output(struct hdcp_workqueue *hdcp_work)
 void hdcp_update_display(struct hdcp_workqueue *hdcp_work,
                         unsigned int link_index,
                         struct amdgpu_dm_connector *aconnector,
-                        bool disable_type1,
+                        uint8_t content_type,
                         bool enable_encryption)
 {
        struct hdcp_workqueue *hdcp_w = &hdcp_work[link_index];
@@ -108,9 +108,15 @@ void hdcp_update_display(struct hdcp_workqueue *hdcp_work,
                memcpy(display, query.display, sizeof(struct mod_hdcp_display));
                mod_hdcp_remove_display(&hdcp_w->hdcp, aconnector->base.index, &hdcp_w->output);
 
+               hdcp_w->link.adjust.hdcp2.force_type = MOD_HDCP_FORCE_TYPE_0;
+
                if (enable_encryption) {
                        display->adjust.disable = 0;
-                       hdcp_w->link.adjust.hdcp2.disable_type1 = disable_type1;
+                       if (content_type == DRM_MODE_HDCP_CONTENT_TYPE0)
+                               hdcp_w->link.adjust.hdcp2.force_type = MOD_HDCP_FORCE_TYPE_0;
+                       else if (content_type == DRM_MODE_HDCP_CONTENT_TYPE1)
+                               hdcp_w->link.adjust.hdcp2.force_type = MOD_HDCP_FORCE_TYPE_1;
+
                        schedule_delayed_work(&hdcp_w->property_validate_dwork,
                                              msecs_to_jiffies(DRM_HDCP_CHECK_PERIOD_MS));
                } else {
@@ -308,7 +314,7 @@ static void update_config(void *handle, struct cp_psp_stream_config *config)
        display->adjust.disable = 1;
        link->adjust.auth_delay = 2;
 
-       hdcp_update_display(hdcp_work, link_index, aconnector, false, false);
+       hdcp_update_display(hdcp_work, link_index, aconnector, DRM_MODE_HDCP_CONTENT_TYPE0, false);
 }
 
 struct hdcp_workqueue *hdcp_create_workqueue(void *psp_context, struct cp_psp *cp_psp, struct dc *dc)
index 71e121f..6abde86 100644 (file)
@@ -57,7 +57,7 @@ struct hdcp_workqueue {
 void hdcp_update_display(struct hdcp_workqueue *hdcp_work,
                         unsigned int link_index,
                         struct amdgpu_dm_connector *aconnector,
-                        bool disable_type1,
+                        uint8_t content_type,
                         bool enable_encryption);
 
 void hdcp_reset_display(struct hdcp_workqueue *work, unsigned int link_index);
index 94a0e5f..e8043c9 100644 (file)
@@ -570,7 +570,7 @@ enum mod_hdcp_status mod_hdcp_hdcp2_dp_transition(struct mod_hdcp *hdcp,
                        break;
                } else if (input->link_integrity_check_dp != PASS) {
                        if (hdcp->connection.hdcp2_retry_count >= 1)
-                               adjust->hdcp2.disable_type1 = 1;
+                               adjust->hdcp2.force_type = MOD_HDCP_FORCE_TYPE_0;
                        fail_and_restart_in_ms(0, &status, output);
                        break;
                } else if (event_ctx->rx_id_list_ready && conn->is_repeater) {
index a951161..2dd5fee 100644 (file)
@@ -358,10 +358,13 @@ enum mod_hdcp_status mod_hdcp_hdcp2_create_session(struct mod_hdcp *hdcp)
 
        hdcp_cmd->in_msg.hdcp2_create_session_v2.display_handle = display->index;
 
-       if (hdcp->connection.link.adjust.hdcp2.disable_type1)
+       if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_0)
                hdcp_cmd->in_msg.hdcp2_create_session_v2.negotiate_content_type =
                        TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__FORCE_TYPE0;
-       else
+       else if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_1)
+               hdcp_cmd->in_msg.hdcp2_create_session_v2.negotiate_content_type =
+                       TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__FORCE_TYPE1;
+       else if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_MAX)
                hdcp_cmd->in_msg.hdcp2_create_session_v2.negotiate_content_type =
                        TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__MAX_SUPPORTED;
 
index 97ecbf5..ff2bb2b 100644 (file)
@@ -158,12 +158,18 @@ struct mod_hdcp_link_adjustment_hdcp1 {
        uint8_t reserved                : 6;
 };
 
+enum mod_hdcp_force_hdcp_type {
+       MOD_HDCP_FORCE_TYPE_MAX = 0,
+       MOD_HDCP_FORCE_TYPE_0,
+       MOD_HDCP_FORCE_TYPE_1
+};
+
 struct mod_hdcp_link_adjustment_hdcp2 {
        uint8_t disable                 : 1;
-       uint8_t disable_type1           : 1;
+       uint8_t force_type              : 2;
        uint8_t force_no_stored_km      : 1;
        uint8_t increase_h_prime_timeout: 1;
-       uint8_t reserved                : 4;
+       uint8_t reserved                : 3;
 };
 
 struct mod_hdcp_link_adjustment {
@@ -185,6 +191,7 @@ struct mod_hdcp_trace {
 enum mod_hdcp_encryption_status {
        MOD_HDCP_ENCRYPTION_STATUS_HDCP_OFF = 0,
        MOD_HDCP_ENCRYPTION_STATUS_HDCP1_ON,
+       MOD_HDCP_ENCRYPTION_STATUS_HDCP2_ON,
        MOD_HDCP_ENCRYPTION_STATUS_HDCP2_TYPE0_ON,
        MOD_HDCP_ENCRYPTION_STATUS_HDCP2_TYPE1_ON
 };