From: Eric Yang <eric.ya...@amd.com>

[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.ya...@amd.com>
Reviewed-by: Anthony Koo <anthony....@amd.com>
Acked-by: Leo Li <sunpeng...@amd.com>
Acked-by: Tony Cheng <tony.ch...@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 6 ++----
 1 file 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 afa8648..f659148 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);
                }
-- 
2.7.4

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