drm/amd/display: Add panel replay capability detection

[Why&How]
For supporting VESA PR, add flow to determine the support capability

Reviewed-by: Robin Chen <robin.chen@amd.com>
Signed-off-by: Jack Chang <jack.chang@amd.com>
Signed-off-by: Leon Huang <Leon.Huang1@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

4 files changed, 25 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index a1b4dc9f5435..0da36b5f5556 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -303,6 +303,7 @@ static bool create_links(
 		link->link_id.id = CONNECTOR_ID_VIRTUAL;
 		link->link_id.enum_id = ENUM_ID_1;
 		link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED;
+		link->replay_settings.config.replay_version = DC_REPLAY_VERSION_UNSUPPORTED;
 		link->link_enc = kzalloc(sizeof(*link->link_enc), GFP_KERNEL);
 
 		if (!link->link_enc) {
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index 0495e6cfcca0..f46039f64203 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -941,6 +941,12 @@ enum dc_psr_version {
 	DC_PSR_VERSION_UNSUPPORTED		= 0xFFFFFFFF,
 };
 
+enum dc_replay_version {
+	DC_FREESYNC_REPLAY = 0,
+	DC_VESA_PANEL_REPLAY = 1,
+	DC_REPLAY_VERSION_UNSUPPORTED = 0XFF,
+};
+
 /* Possible values of display_endpoint_id.endpoint */
 enum display_endpoint_type {
 	DISPLAY_ENDPOINT_PHY = 0, /* Physical connector. */
@@ -1093,6 +1099,7 @@ enum replay_FW_Message_type {
 	Replay_Set_Residency_Frameupdate_Timer,
 	Replay_Set_Pseudo_VTotal,
 	Replay_Disabled_Adaptive_Sync_SDP,
+	Replay_Set_Version,
 	Replay_Set_General_Cmd,
 };
 
@@ -1128,6 +1135,8 @@ union replay_low_refresh_rate_enable_options {
 };
 
 struct replay_config {
+	/* Replay version */
+	enum dc_replay_version replay_version;
 	/* Replay feature is supported */
 	bool replay_supported;
 	/* Replay caps support DPCD & EDID caps*/
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c
index fd8244c94687..cf1372aaff6c 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c
@@ -387,6 +387,19 @@ static void dmub_replay_send_cmd(struct dmub_replay *dmub,
 		cmd.replay_disabled_adaptive_sync_sdp.data.force_disabled =
 			cmd_element->disabled_adaptive_sync_sdp_data.force_disabled;
 		break;
+	case Replay_Set_Version:
+		//Header
+		cmd.replay_set_version.header.sub_type =
+			DMUB_CMD__REPLAY_SET_VERSION;
+		cmd.replay_set_version.header.payload_bytes =
+			sizeof(struct dmub_rb_cmd_replay_set_version) -
+			sizeof(struct dmub_cmd_header);
+		//Cmd Body
+		cmd.replay_set_version.replay_set_version_data.panel_inst =
+			cmd_element->version_data.panel_inst;
+		cmd.replay_set_version.replay_set_version_data.version =
+			cmd_element->version_data.version;
+		break;
 	case Replay_Set_General_Cmd:
 		//Header
 		cmd.replay_set_general_cmd.header.sub_type =
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_factory.c b/drivers/gpu/drm/amd/display/dc/link/link_factory.c
index 7989baf3843c..5229f2a9a794 100644
--- a/drivers/gpu/drm/amd/display/dc/link/link_factory.c
+++ b/drivers/gpu/drm/amd/display/dc/link/link_factory.c
@@ -787,6 +787,7 @@ static bool construct_phy(struct dc_link *link,
 
 	link->psr_settings.psr_vtotal_control_support = false;
 	link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED;
+	link->replay_settings.config.replay_version = DC_REPLAY_VERSION_UNSUPPORTED;
 
 	DC_LOG_DC("BIOS object table - %s finished successfully.\n", __func__);
 	return true;
@@ -868,6 +869,7 @@ static bool construct_dpia(struct dc_link *link,
 	/* TODO: Create link encoder */
 
 	link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED;
+	link->replay_settings.config.replay_version = DC_REPLAY_VERSION_UNSUPPORTED;
 
 	return true;