linux-kernel - [PATCH] drm/amd/display: remove unused function dc_link_perform_link

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Date:   Sat,  8 May 2021 20:19:51 +0200
From:   Rouven Czerwinski <rouven@...rwinskis.de>
To:     Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     kernel@...gutronix.de, Rouven Czerwinski <rouven@...rwinskis.de>,
        Rouven Czerwinski <r.czerwinski@...gutronix.de>,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] drm/amd/display: remove unused function dc_link_perform_link_training

This function is not used anywhere, remove it. It was added in
40dd6bd376a4 ("drm/amd/display: Linux Set/Read link rate and lane count
through debugfs") and moved in fe798de53a7a ("drm/amd/display: Move link
functions from dc to dc_link"), but a user is missing.

Signed-off-by: Rouven Czerwinski <r.czerwinski@...gutronix.de>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link.c | 13 -------------
 drivers/gpu/drm/amd/display/dc/dc_link.h      |  3 ---
 2 files changed, 16 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 3fb0cebd6938..55c5cf2264b3 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -3553,19 +3553,6 @@ void dc_link_set_drive_settings(struct dc *dc,
 	dc_link_dp_set_drive_settings(dc->links[i], lt_settings);
 }
 
-void dc_link_perform_link_training(struct dc *dc,
-				   struct dc_link_settings *link_setting,
-				   bool skip_video_pattern)
-{
-	int i;
-
-	for (i = 0; i < dc->link_count; i++)
-		dc_link_dp_perform_link_training(
-			dc->links[i],
-			link_setting,
-			skip_video_pattern);
-}
-
 void dc_link_set_preferred_link_settings(struct dc *dc,
 					 struct dc_link_settings *link_setting,
 					 struct dc_link *link)
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h
index fc5622ffec3d..45c927cd27ab 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_link.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_link.h
@@ -363,9 +363,6 @@ bool dc_link_is_hdcp22(struct dc_link *link, enum signal_type signal);
 void dc_link_set_drive_settings(struct dc *dc,
 				struct link_training_settings *lt_settings,
 				const struct dc_link *link);
-void dc_link_perform_link_training(struct dc *dc,
-				   struct dc_link_settings *link_setting,
-				   bool skip_video_pattern);
 void dc_link_set_preferred_link_settings(struct dc *dc,
 					 struct dc_link_settings *link_setting,
 					 struct dc_link *link);
-- 
2.31.1