[PATCH 02/19] drm/amd/display: Limit max link cap with LTTPR caps

[Rodrigo Siqueira]

From: George Shen <george.s...@amd.com>

[Why]
Max link rate should be limited to the maximum link rate support by any
LTTPR that are connected, including when operating in transparent mode.

[How]
Include transparent mode when factoring in LTTPR max supported link
rate.

Reviewed-by: Wesley Chalmers <wesley.chalm...@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.sique...@amd.com>
Signed-off-by: George Shen <george.s...@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 8a35370da867..6f552f7ee1db 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
@@ -2873,7 +2873,7 @@ static struct dc_link_settings get_max_link_cap(struct 
dc_link *link)
         * account for lttpr repeaters cap
         * notes: repeaters do not snoop in the DPRX Capabilities addresses 
(3.6.3).
         */
-       if (link->lttpr_mode == LTTPR_MODE_NON_TRANSPARENT) {
+       if (link->lttpr_mode != LTTPR_MODE_NON_LTTPR) {
                if (link->dpcd_caps.lttpr_caps.max_lane_count < 
max_link_cap.lane_count)
                        max_link_cap.lane_count = 
link->dpcd_caps.lttpr_caps.max_lane_count;
 
-- 
2.25.1