Commit 548f2125 authored by Robin Chen's avatar Robin Chen Committed by Alex Deucher
Browse files

drm/amd/display: To support sending TPS3 pattern when restoring link 



[Why]
Some panels require to use TPS3 pattern to wake up link in PSR mode.

[How]
To add TPS3 selection information in PSR settings command and pass to
DMUB FW.

Reviewed-by: default avatarAnthony Koo <Anthony.Koo@amd.com>
Acked-by: default avatarAnson Jacob <Anson.Jacob@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarRobin Chen <po-tchen@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ec581edc

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

+9 −0
Original line number Diff line number Diff line
@@ -330,6 +330,15 @@ static bool dmub_psr_copy_settings(struct dmub_psr *dmub, 
	copy_settings_data->cmd_version =  DMUB_CMD_PSR_CONTROL_VERSION_1;

	copy_settings_data->panel_inst = panel_inst;



	if (link->fec_state == dc_link_fec_enabled &&

		(!memcmp(link->dpcd_caps.sink_dev_id_str, DP_SINK_DEVICE_STR_ID_1,

			sizeof(link->dpcd_caps.sink_dev_id_str)) ||

		!memcmp(link->dpcd_caps.sink_dev_id_str, DP_SINK_DEVICE_STR_ID_2,

			sizeof(link->dpcd_caps.sink_dev_id_str))))

		copy_settings_data->debug.bitfields.force_wakeup_by_tps3 = 1;

	else

		copy_settings_data->debug.bitfields.force_wakeup_by_tps3 = 0;



	dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd);

	dc_dmub_srv_cmd_execute(dc->dmub_srv);

	dc_dmub_srv_wait_idle(dc->dmub_srv);

drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h

+2 −3
Original line number Diff line number Diff line
@@ -208,10 +208,9 @@ union dmub_psr_debug_flags { 
		uint32_t use_hw_lock_mgr : 1;



		/**

		 * Unused.

		 * TODO: Remove.

		 * Use TPS3 signal when restore main link.

		 */

		uint32_t log_line_nums : 1;

		uint32_t force_wakeup_by_tps3 : 1;

	} bitfields;



	/**

drivers/gpu/drm/amd/display/include/ddc_service_types.h

+3 −0
Original line number Diff line number Diff line
@@ -117,4 +117,7 @@ struct av_sync_data { 
	uint8_t aud_del_ins3;/* DPCD 0002Dh */

};



static const uint8_t DP_SINK_DEVICE_STR_ID_1[] = {7, 1, 8, 7, 3, 0};

static const uint8_t DP_SINK_DEVICE_STR_ID_2[] = {7, 1, 8, 7, 5, 0};



#endif /* __DAL_DDC_SERVICE_TYPES_H__ */