Commit ddc6b22d authored by Jack Chang's avatar Jack Chang Committed by Alex Deucher
Browse files

drm/amd/display: Add panel replay capability detection 



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

Reviewed-by: default avatarRobin Chen <robin.chen@amd.com>
Signed-off-by: default avatarJack Chang <jack.chang@amd.com>
Signed-off-by: default avatarLeon Huang <Leon.Huang1@amd.com>
Signed-off-by: default avatarIvan Lipski <ivan.lipski@amd.com>
Tested-by: default avatarDan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent b0ff344f

drivers/gpu/drm/amd/display/dc/core/dc.c

+1 −0
Original line number Diff line number Diff line
@@ -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) {

drivers/gpu/drm/amd/display/dc/dc_types.h

+9 −0
Original line number Diff line number Diff line
@@ -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*/

drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c

+13 −0
Original line number Diff line number Diff line
@@ -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 =

drivers/gpu/drm/amd/display/dc/link/link_factory.c

+2 −0
Original line number Diff line number Diff line
@@ -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;