From: Yongqiang Sun <yongqiang.sun@amd.com>
Date: Tue, 29 Aug 2017 19:27:20 +0000 (-0400)
Subject: drm/amd/display: Disable OTG double buffer.
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0bfac360edcd843e90a0444475616a486f643eeb;p=linux.git

drm/amd/display: Disable OTG double buffer.

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
index 94ea3a9f6bb46..15f1f44e102ac 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
@@ -296,9 +296,6 @@ static void tgn10_unblank_crtc(struct timing_generator *tg)
 {
 	struct dcn10_timing_generator *tgn10 = DCN10TG_FROM_TG(tg);
 
-	REG_UPDATE(OTG_DOUBLE_BUFFER_CONTROL,
-					OTG_BLANK_DATA_DOUBLE_BUFFER_EN, 1);
-
 	REG_UPDATE_2(OTG_BLANK_CONTROL,
 			OTG_BLANK_DATA_EN, 0,
 			OTG_BLANK_DE_MODE, 0);