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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>
This commit is contained in:
Paul Hsieh 2020-05-13 11:31:42 +08:00 committed by Alex Deucher
parent 245a022163
commit 0976ef315d
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
View File

@ -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);
}
}
}