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drm/amd/display: Don't compare same stream for synchronized vblank 

[Why]
When determining synchronzied vblank we don't need to compare the stream
with itself

[How]
If comparing same stream, continue to next iteration

Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alvin Lee 2020-05-15 18:18:20 -04:00 committed by Alex Deucher
parent 8598a7221e
commit d294353e7e
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
View File

@ -2015,6 +2015,10 @@ int dcn20_populate_dml_pipes_from_context(
pipe_cnt = i;
continue;
}
if (res_ctx->pipe_ctx[pipe_cnt].stream == res_ctx->pipe_ctx[i].stream)
continue;
if (dc->debug.disable_timing_sync || !resource_are_streams_timing_synchronizable(
res_ctx->pipe_ctx[pipe_cnt].stream,
res_ctx->pipe_ctx[i].stream)) {