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authorPaul Hsieh <paul.hsieh@amd.com>2020-05-13 11:31:42 +0800
committerAlex Deucher <alexander.deucher@amd.com>2020-05-28 14:00:51 -0400
commit0976ef315dc3bb04cb709f7d28b0826c0b294889 (patch)
treec64cfaa27b0aa09fb3720cc3aad0593e71454fe6 /drivers/gpu/drm/amd/display
parent245a022163abd3d67ebc3757199d4d6eb4661bf8 (diff)
drm/amd/display: unit show garbage when do OPTC blank
[Why] Unit enter to S4, garbage show on screen when do OPTC blank. [How] Wait for vblank then do OPTC blank Signed-off-by: Paul Hsieh <paul.hsieh@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 0313ca83cdb9..deaafb4782d6 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -2581,8 +2581,10 @@ void dcn10_blank_pixel_data(
}
} else if (blank) {
dc->hwss.set_abm_immediate_disable(pipe_ctx);
- if (stream_res->tg->funcs->set_blank)
+ if (stream_res->tg->funcs->set_blank) {
+ stream_res->tg->funcs->wait_for_state(stream_res->tg, CRTC_STATE_VBLANK);
stream_res->tg->funcs->set_blank(stream_res->tg, blank);
+ }
}
}