From: "Jerry (Fangzhi) Zuo" <Jerry.Zuo@xxxxxxx>
Extended fix to: "Don't read EDID in atomic_check"
Fix issue of missing dc_sink in .mode_valid in hot plug routine.
Need to check dc_sink everytime in .get_modes hook after checking
edid, since edid is not getting removed in hot unplug but dc_sink
doesn't.
Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo at amd.com>
Reviewed-by: Roman Li <Roman.Li at amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland at amd.com>
---
.../amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 149178594f0c..c3f3028253c3 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -227,10 +227,6 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector)
if (!aconnector->edid) {
struct edid *edid;
- struct dc_sink *dc_sink;
- struct dc_sink_init_data init_params = {
- .link = aconnector->dc_link,
- .sink_signal = SIGNAL_TYPE_DISPLAY_PORT_MST };
edid = drm_dp_mst_get_edid(connector, &aconnector->mst_port->mst_mgr, aconnector->port);
if (!edid) {
@@ -241,11 +237,17 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector)
}
aconnector->edid = edid;
+ }
+ if (!aconnector->dc_sink) {
+ struct dc_sink *dc_sink;
+ struct dc_sink_init_data init_params = {
+ .link = aconnector->dc_link,
+ .sink_signal = SIGNAL_TYPE_DISPLAY_PORT_MST };
dc_sink = dc_link_add_remote_sink(
aconnector->dc_link,
- (uint8_t *)edid,
- (edid->extensions + 1) * EDID_LENGTH,
+ (uint8_t *)aconnector->edid,
+ (aconnector->edid->extensions + 1) * EDID_LENGTH,
&init_params);
dc_sink->priv = aconnector;
@@ -253,7 +255,7 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector)
if (aconnector->dc_sink)
amdgpu_dm_update_freesync_caps(
- connector, edid);
+ connector, aconnector->edid);
}
drm_mode_connector_update_edid_property(
--
2.17.0
