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drm/amd/display: Add panel replay capability detection

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[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>
This commit is contained in:
Jack Chang 2025-08-08 11:20:56 +08:00 committed by Alex Deucher
parent b0ff344fe7
commit ddc6b22d93
4 changed files with 25 additions and 0 deletions
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1
drivers/gpu/drm/amd/display/dc/core/dc.c
View File

@ -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) {

9
drivers/gpu/drm/amd/display/dc/dc_types.h
View File

@ -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*/

13
drivers/gpu/drm/amd/display/dc/dce/dmub_replay.c
View File

@ -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 =

2
drivers/gpu/drm/amd/display/dc/link/link_factory.c
View File

@ -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;