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drm/amd/display: work around for 8k sleep crash 

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
hifive-unleashed-5.1
Yongqiang Sun 2017-08-24 17:29:24 -04:00 committed by Alex Deucher
parent 1cf49dea28
commit e1b522bff3
2 changed files with 2 additions and 1 deletions
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1
drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
View File

@ -581,6 +581,7 @@ static void split_stream_across_pipes(
secondary_pipe->plane_res.ipp = pool->ipps[secondary_pipe->pipe_idx];
secondary_pipe->plane_res.xfm = pool->transforms[secondary_pipe->pipe_idx];
if (primary_pipe->bottom_pipe) {
ASSERT(primary_pipe->bottom_pipe != secondary_pipe);
secondary_pipe->bottom_pipe = primary_pipe->bottom_pipe;
secondary_pipe->bottom_pipe->top_pipe = secondary_pipe;
}

2
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
View File

@ -2358,7 +2358,7 @@ static void program_all_pipe_in_tree(
verify_allow_pstate_change_high(dc->hwseq);
}
if (pipe_ctx->bottom_pipe != NULL)
if (pipe_ctx->bottom_pipe != NULL && pipe_ctx->bottom_pipe != pipe_ctx)
program_all_pipe_in_tree(dc, pipe_ctx->bottom_pipe, context);
}