[PATCH] Revert "drm/amd/display: To modify the condition in indicating branch device"

[Alex Deucher]

This breaks HDMI audio.

This reverts commit 9413b23fadad3861f5afd626ac44ef83ad8068ab.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1536
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Cc: Martin Tsai <martin.tsai at amd.com>
Cc: Bindu Ramamurthy <bindu.r at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 8 +++++++-
 1 file changed, 7 insertions(+), 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 6f6929435885..eb4432dca761 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
@@ -5039,7 +5039,13 @@ static void get_active_converter_info(
 	}
 
 	/* DPCD 0x5 bit 0 = 1, it indicate it's branch device */
-	link->dpcd_caps.is_branch_dev = ds_port.fields.PORT_PRESENT;
+	if (ds_port.fields.PORT_TYPE == DOWNSTREAM_DP) {
+		link->dpcd_caps.is_branch_dev = false;
+	}
+
+	else {
+		link->dpcd_caps.is_branch_dev = ds_port.fields.PORT_PRESENT;
+	}
 
 	switch (ds_port.fields.PORT_TYPE) {
 	case DOWNSTREAM_VGA:
-- 
2.34.1