[PATCH] drm/amd/display: Remove the unused variable ds_port

[Jiapeng Chong]

Variable ds_port is not effectively used, so delete it.

drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_dp_capability.c:280:35:
 warning: variable ‘ds_port’ set but not used.

Reported-by: Abaci Robot <ab...@linux.alibaba.com>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4030
Signed-off-by: Jiapeng Chong <jiapeng.ch...@linux.alibaba.com>
---
 .../drm/amd/display/dc/link/protocols/link_dp_capability.c    | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c 
b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
index 24d356ebd7a9..816bf4ff8017 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
@@ -277,7 +277,6 @@ static void dp_wa_power_up_0010FA(struct dc_link *link, 
uint8_t *dpcd_data,
                int length)
 {
        int retry = 0;
-       union dp_downstream_port_present ds_port = { 0 };
 
        if (!link->dpcd_caps.dpcd_rev.raw) {
                do {
@@ -290,9 +289,6 @@ static void dp_wa_power_up_0010FA(struct dc_link *link, 
uint8_t *dpcd_data,
                } while (retry++ < 4 && !link->dpcd_caps.dpcd_rev.raw);
        }
 
-       ds_port.byte = dpcd_data[DP_DOWNSTREAMPORT_PRESENT -
-                                DP_DPCD_REV];
-
        if (link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_VGA_CONVERTER) {
                switch (link->dpcd_caps.branch_dev_id) {
                /* 0010FA active dongles (DP-VGA, DP-DLDVI converters) power 
down
-- 
2.20.1.7.g153144c