diff options
| author |   Paul Hsieh <paul.hsieh@amd.com> | 2020-05-13 11:31:42 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2020-05-28 14:00:51 -0400 |
| commit | 0976ef315dc3bb04cb709f7d28b0826c0b294889 (patch) | |
| tree | c64cfaa27b0aa09fb3720cc3aad0593e71454fe6 | |
| parent | drm/amd/display: Guard against invalid array access (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>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 4 |
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); + } } } |