[PATCH 02/15] drm/amd/display: disable clock gating logic reversed bug fix

Stylon Wang stylon.wang at amd.com
Wed Aug 9 15:04:52 UTC 2023


From: Muhammad Ahmed <ahmed.ahmed at amd.com>

[Why]
disable clock gating logic reversed bug fix

Reviewed-by: Charlene Liu <charlene.liu at amd.com>
Acked-by: Stylon Wang <stylon.wang at amd.com>
Signed-off-by: Muhammad Ahmed <ahmed.ahmed at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c | 4 ++--
 drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c
index 7445ed27852a..1f4e0b6261ad 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c
@@ -1018,8 +1018,8 @@ void hubbub31_init(struct hubbub *hubbub)
 		/*done in hwseq*/
 		/*REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);*/
 		REG_UPDATE_2(DCHUBBUB_CLOCK_CNTL,
-				DISPCLK_R_DCHUBBUB_GATE_DIS, 0,
-				DCFCLK_R_DCHUBBUB_GATE_DIS, 0);
+				DISPCLK_R_DCHUBBUB_GATE_DIS, 1,
+				DCFCLK_R_DCHUBBUB_GATE_DIS, 1);
 	}
 
 	/*
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.c
index a18b9c0c5709..8bfef6d095b2 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.c
@@ -955,8 +955,8 @@ void hubbub32_init(struct hubbub *hubbub)
 		/*REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);*/
 
 		REG_UPDATE_2(DCHUBBUB_CLOCK_CNTL,
-			DISPCLK_R_DCHUBBUB_GATE_DIS, 0,
-			DCFCLK_R_DCHUBBUB_GATE_DIS, 0);
+			DISPCLK_R_DCHUBBUB_GATE_DIS, 1,
+			DCFCLK_R_DCHUBBUB_GATE_DIS, 1);
 	}
 	/*
 	ignore the "df_pre_cstate_req" from the SDP port control.
-- 
2.41.0



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