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drm/amd/display: Enable double buffer when unblank crtc.

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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>
This commit is contained in:
Yongqiang Sun 2017-08-21 11:00:25 -04:00 committed by Alex Deucher
parent 0045b749bd
commit 4d1501eb65
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
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@ -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);