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| author | Yongqiang Sun <yongqiang.sun@amd.com> | 2017-08-21 18:00:25 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-27 01:16:58 +0300 |
| commit | 4d1501eb65d606c05f28da12539cf0defd111f75 (patch) | |
| tree | 976cf14215cb2430ef3530881eeca0ad864ced19 | |
| parent | 0045b749bdedc60ca46a7801cb9b5ae967bea669 (diff) | |
| download | linux-4d1501eb65d606c05f28da12539cf0defd111f75.tar.xz | |
drm/amd/display: Enable double buffer when unblank crtc.
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>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c | 3 |
1 files changed, 3 insertions, 0 deletions
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); |