drm/amd/display: Remove the unused variable ds_port

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 <abaci@linux.alibaba.com>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4030
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 cb38afde3fc835a8c397efaaa7b6d34f7ed33339..4874d1bf1dcb01c2a926041edb2f952936d9c730 100644 (file)
--- 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