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drm/amd/display: Do not handle linkloss for eDP

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[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 <Anthony.Koo@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Anthony Koo 2019-12-05 14:55:24 -05:00 committed by Alex Deucher
parent 6426745427
commit e97ed49690
1 changed files with 6 additions and 4 deletions
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10
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
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@ -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,