From: Eric Yang <eric.ya...@amd.com>
[Why]
Previously assume eDP sink present if connector present. Do not
need to enforce this restriction. Fix issue where driver attempt
to read link setting even though no edp connected.
{How]
Only read link setting after reading connection status.
Signed-off-by: Eric Yang <eric.ya...@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang....@amd.com>
Acked-by: Leo Li <sunpeng...@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc_link.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 467016ddfbe8..9166e41248d8 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -720,13 +720,6 @@ bool dc_link_detect(struct dc_link *link, enum
dc_detect_reason reason)
return false;
}
- if (link->connector_signal == SIGNAL_TYPE_EDP) {
- /* On detect, we want to make sure current link settings are
- * up to date, especially if link was powered on by GOP.
- */
- read_edp_current_link_settings_on_detect(link);
- }
-
prev_sink = link->local_sink;
if (prev_sink != NULL) {
dc_sink_retain(prev_sink);
@@ -768,6 +761,7 @@ bool dc_link_detect(struct dc_link *link, enum
dc_detect_reason reason)
}
case SIGNAL_TYPE_EDP: {
+ read_edp_current_link_settings_on_detect(link);
detect_edp_sink_caps(link);
sink_caps.transaction_type =
DDC_TRANSACTION_TYPE_I2C_OVER_AUX;
--
2.22.0
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