[PATCH 40/73] drm/amd/display: Fixed not set scaler bug.

Harry Wentland harry.wentland at amd.com
Thu Nov 9 20:05:36 UTC 2017


From: Yongqiang Sun <yongqiang.sun at amd.com>

New scaler parameter assign to dpp is after early return,
cause next flip scaler not program.

Change-Id: I4af97d37de194429116378ce7bbb820b21b7a6af
Signed-off-by: Yongqiang Sun <yongqiang.sun at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Acked-by: Harry Wentland <harry.wentland at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c
index 242a568294e2..4b5b70907202 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c
@@ -650,6 +650,9 @@ void dpp1_dscl_set_scaler_manual_scale(
 
 	if (memcmp(&dpp->scl_data, scl_data, sizeof(*scl_data)) == 0)
 		return;
+
+	dpp->scl_data = *scl_data;
+
 	/* Recout */
 	dpp1_dscl_set_recout(dpp, &scl_data->recout);
 
@@ -701,5 +704,4 @@ void dpp1_dscl_set_scaler_manual_scale(
 		SCL_H_NUM_TAPS_C, scl_data->taps.h_taps_c - 1);
 
 	dpp1_dscl_set_scl_filter(dpp, scl_data, ycbcr);
-	dpp->scl_data = *scl_data;
 }
-- 
2.14.1



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