[PATCH 36/77] drm/amd/display: Enable double buffer when unblank crtc.
Harry Wentland
harry.wentland at amd.com
Thu Aug 31 18:08:31 UTC 2017
From: Yongqiang Sun <yongqiang.sun at amd.com>
Change-Id: I69bcb30ffb1ec1409d8e61adc009b9c87a7ccc30
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_timing_generator.c | 3 +++
1 file changed, 3 insertions(+)
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 6a5f2683c2e5..cc58f43400d7 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
@@ -289,6 +289,9 @@ 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);
--
2.11.0
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