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

[Jiapeng Chong]

Variable pre_connection_type is not effectively used, so delete it.

Reported-by: Abaci Robot <ab...@linux.alibaba.com>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4031
Signed-off-by: Jiapeng Chong <jiapeng.ch...@linux.alibaba.com>
---
 drivers/gpu/drm/amd/display/dc/link/link_detection.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/link/link_detection.c 
b/drivers/gpu/drm/amd/display/dc/link/link_detection.c
index 63e75c392031..d224a44c4cc8 100644
--- a/drivers/gpu/drm/amd/display/dc/link/link_detection.c
+++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.c
@@ -886,7 +886,6 @@ static bool detect_link_and_local_sink(struct dc_link *link,
        struct dc_sink *prev_sink = NULL;
        struct dpcd_caps prev_dpcd_caps;
        enum dc_connection_type new_connection_type = dc_connection_none;
-       enum dc_connection_type pre_connection_type = dc_connection_none;
        const uint32_t post_oui_delay = 30; // 30ms
 
        DC_LOGGER_INIT(link->ctx->logger);
@@ -923,7 +922,6 @@ static bool detect_link_and_local_sink(struct dc_link *link,
 
        link_disconnect_sink(link);
        if (new_connection_type != dc_connection_none) {
-               pre_connection_type = link->type;
                link->type = new_connection_type;
                link->link_state_valid = false;
 
-- 
2.20.1.7.g153144c