From e97ed49690ea13f73437bc06905215159de6fab6 Mon Sep 17 00:00:00 2001 From: Anthony Koo Date: Thu, 5 Dec 2019 14:55:24 -0500 Subject: [PATCH] drm/amd/display: Do not handle linkloss for eDP [Why] eDP is internal link and link loss is unexpected. It is typically going to be PSR related errors, which is handled separately. [How] Check for eDP and skip check for link loss Signed-off-by: Anthony Koo Reviewed-by: Aric Cyr Acked-by: Rodrigo Siqueira Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 42aa889fd0f5..38b0f4347383 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -2854,10 +2854,12 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd /* For now we only handle 'Downstream port status' case. * If we got sink count changed it means * Downstream port status changed, - * then DM should call DC to do the detection. */ - if (hpd_rx_irq_check_link_loss_status( - link, - &hpd_irq_dpcd_data)) { + * then DM should call DC to do the detection. + * NOTE: Do not handle link loss on eDP since it is internal link*/ + if ((link->connector_signal != SIGNAL_TYPE_EDP) && + hpd_rx_irq_check_link_loss_status( + link, + &hpd_irq_dpcd_data)) { /* Connectivity log: link loss */ CONN_DATA_LINK_LOSS(link, hpd_irq_dpcd_data.raw,