[PATCH 5/7] drm/amd/display: Remove unused hubbub1_toggle_watermark_change_req

[linux@treblig.org]

From: "Dr. David Alan Gilbert" <linux@treblig.org>

hubbub1_toggle_watermark_change_req() last use was removed in 2017 by
commit b8fce2c9d773 ("drm/amd/display: Optimize programming front end")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
---
 .../amd/display/dc/hubbub/dcn10/dcn10_hubbub.c | 18 ------------------
 .../amd/display/dc/hubbub/dcn10/dcn10_hubbub.h |  3 ---
 2 files changed, 21 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/hubbub/dcn10/dcn10_hubbub.c b/drivers/gpu/drm/amd/display/dc/hubbub/dcn10/dcn10_hubbub.c
index d738a36f2132..7847c1c4927b 100644
--- a/drivers/gpu/drm/amd/display/dc/hubbub/dcn10/dcn10_hubbub.c
+++ b/drivers/gpu/drm/amd/display/dc/hubbub/dcn10/dcn10_hubbub.c
@@ -679,24 +679,6 @@ void hubbub1_update_dchub(
 	dh_data->dchub_info_valid = false;
 }
 
-void hubbub1_toggle_watermark_change_req(struct hubbub *hubbub)
-{
-	struct dcn10_hubbub *hubbub1 = TO_DCN10_HUBBUB(hubbub);
-
-	uint32_t watermark_change_req;
-
-	REG_GET(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL,
-			DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, &watermark_change_req);
-
-	if (watermark_change_req)
-		watermark_change_req = 0;
-	else
-		watermark_change_req = 1;
-
-	REG_UPDATE(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL,
-			DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, watermark_change_req);
-}
-
 void hubbub1_soft_reset(struct hubbub *hubbub, bool reset)
 {
 	struct dcn10_hubbub *hubbub1 = TO_DCN10_HUBBUB(hubbub);
diff --git a/drivers/gpu/drm/amd/display/dc/hubbub/dcn10/dcn10_hubbub.h b/drivers/gpu/drm/amd/display/dc/hubbub/dcn10/dcn10_hubbub.h
index 9fbd45c7dfef..fa5c4c18ed59 100644
--- a/drivers/gpu/drm/amd/display/dc/hubbub/dcn10/dcn10_hubbub.h
+++ b/drivers/gpu/drm/amd/display/dc/hubbub/dcn10/dcn10_hubbub.h
@@ -489,9 +489,6 @@ void hubbub1_allow_self_refresh_control(struct hubbub *hubbub, bool allow);
 
 bool hubbub1_is_allow_self_refresh_enabled(struct hubbub *hubub);
 
-void hubbub1_toggle_watermark_change_req(
-		struct hubbub *hubbub);
-
 void hubbub1_wm_read_state(struct hubbub *hubbub,
 		struct dcn_hubbub_wm *wm);
 
-- 
2.48.1