drm/amd/display: Adjust AUX-less ALPM setting

[Why & How]
Change ACDS period to support LTTPR.

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Signed-off-by: Duncan Ma <Duncan.Ma@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c
index be714cbf66155b23d3621437185f929485e830dd..2c3e2945124a98b58d2fe8b1ea5ed185fd5d1cd0 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c
@@ -1046,7 +1046,7 @@ bool edp_setup_replay(struct dc_link *link, const struct dc_stream_state *stream
 
                if (link->replay_settings.config.alpm_mode == DC_ALPM_AUXLESS) {
                        alpm_config.bits.ALPM_MODE_SEL = 1;
-                       alpm_config.bits.ACDS_PERIOD_DURATION = 1;
+                       alpm_config.bits.ACDS_PERIOD_DURATION = 0;
                }
 
                dm_helpers_dp_write_dpcd(