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>

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index a1b4dc9f54352994e82f8fb26b844f9c5baeaf67..0da36b5f555683fa9478fe1595a0b6204898a1e8 100644 (file)
--- 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 0495e6cfcca0752af21f13ac5d804db9b3acd8dd..f46039f642034fd3fb49dbb454657b98bd8a1342 100644 (file)
--- 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 fd8244c946874c9883bd74d4ab31f189b7cb95a2..cf1372aaff6c9333601167afc55caa67d5ba0cc7 100644 (file)
--- 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 7989baf3843c98573dff0136b0bc269422fd89eb..5229f2a9a794d9cb6485bcf58533f041be9ff4cf 100644 (file)
--- 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;