diff options
| author |   Eric Yang <Eric.Yang2@amd.com> | 2019-03-25 16:11:43 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2019-04-10 13:53:28 -0500 |
| commit | d5ca5fdbeb76ef78af9a8291846d2c9f08ae414b (patch) | |
| tree | 1141d0b3e3cdca176837602e3f01bff5a797215f /drivers/gpu/drm/amd | |
| parent | drm/amd/display: disable link before changing link settings (diff) | |
| download | linux-dev-d5ca5fdbeb76ef78af9a8291846d2c9f08ae414b.tar.xz linux-dev-d5ca5fdbeb76ef78af9a8291846d2c9f08ae414b.zip | |
drm/amd/display: fix underflow on boot
[Why]
New seamless boot sequence introduced a bug where front end is disabled
without blanking otg.
[How]
Adjust the condition of blanking otg to match seamless boot.
Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Acked-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 6 |
1 files changed, 2 insertions, 4 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 afa8648d88e1..f6591488ef9b 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 @@ -979,16 +979,14 @@ static void dcn10_init_pipes(struct dc *dc, struct dc_state *context) * to non-preferred front end. If pipe_ctx->stream is not NULL, * we will use the pipe, so don't disable */ - if (pipe_ctx->stream != NULL) + if (pipe_ctx->stream != NULL && can_apply_seamless_boot) continue; - if (tg->funcs->is_tg_enabled(tg)) - tg->funcs->lock(tg); - /* Blank controller using driver code instead of * command table. */ if (tg->funcs->is_tg_enabled(tg)) { + tg->funcs->lock(tg); tg->funcs->set_blank(tg, true); hwss_wait_for_blank_complete(tg); } |