From: Duncan Ma Date: Tue, 22 Jul 2025 16:22:15 +0000 (-0400) Subject: drm/amd/display: Adjust AUX-less ALPM setting X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=fd20627c74993cf4d81e3848f2833c7198c884d7;p=users%2Fhch%2Fmisc.git drm/amd/display: Adjust AUX-less ALPM setting [Why & How] Change ACDS period to support LTTPR. Reviewed-by: Charlene Liu Signed-off-by: Duncan Ma Signed-off-by: Roman Li Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- 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 be714cbf6615..2c3e2945124a 100644 --- 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(