[PATCH 10/22] drm/amd/display: use link_rate_set above DPCD 1.3 (#1527)

[Anson Jacob]

From: "Huang, ChiaWen" <chiawen.hu...@amd.com>

[Why & How]
According to eDP spec, DPCD 1.3 is only for eDP DPCD v1.4
In dpcd_set_link_settings function, the driver is just above v1.3

Reviewed-by: Wenjing Liu <wenjing....@amd.com>
Acked-by: Anson Jacob <anson.ja...@amd.com>
Signed-off-by: ChiawenHuang <chiawen.hu...@amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 cb7bf9148904..b21f61e89cba 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
@@ -430,7 +430,7 @@ enum dc_status dpcd_set_link_settings(
        status = core_link_write_dpcd(link, DP_LANE_COUNT_SET,
                &lane_count_set.raw, 1);
 
-       if (link->dpcd_caps.dpcd_rev.raw >= DPCD_REV_14 &&
+       if (link->dpcd_caps.dpcd_rev.raw >= DPCD_REV_13 &&
                        lt_settings->link_settings.use_link_rate_set == true) {
                rate = 0;
                /* WA for some MUX chips that will power down with eDP and lose 
supported
-- 
2.25.1