From: Wesley Chalmers <[email protected]>

[WHY]
If no repeaters are found, we do not need or want to attempt to
link-train repeaters, as this could cause bugs.

Signed-off-by: Wesley Chalmers <[email protected]>
Acked-by: Bindu Ramamurthy <[email protected]>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 ++
 1 file changed, 2 insertions(+)

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 9d6a8e728317..e6f8f3c255bc 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
@@ -3582,6 +3582,8 @@ static bool retrieve_link_cap(struct dc_link *link)
                                link->dpcd_caps.lttpr_caps.revision.raw >= 
0x14);
                if (is_lttpr_present)
                        CONN_DATA_DETECT(link, lttpr_dpcd_data, 
sizeof(lttpr_dpcd_data), "LTTPR Caps: ");
+               else
+                       link->lttpr_mode = LTTPR_MODE_NON_LTTPR;
        }
 
        if (!is_lttpr_present)
-- 
2.25.1

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