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| author | Wenjing Liu <Wenjing.Liu@amd.com> | 2019-02-20 14:00:55 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 15:36:49 -0500 |
| commit | e6bddf6c67f9a3abf6f1ef75e52bc1cd228dfe4d (patch) | |
| tree | a48e8b434ccd9fde7233c189e8a222dc0efbd57d /drivers/gpu/drm/amd/display | |
| parent | 3af91bb15093dd2bf53114b74b333458a03de1c8 (diff) | |
| download | linux-stable-e6bddf6c67f9a3abf6f1ef75e52bc1cd228dfe4d.tar.gz linux-stable-e6bddf6c67f9a3abf6f1ef75e52bc1cd228dfe4d.tar.bz2 linux-stable-e6bddf6c67f9a3abf6f1ef75e52bc1cd228dfe4d.zip | |
drm/amd/display: add pipe lock during stream update
[why]
Stream update will adjust both info packets and stream params,
need to make sure all things are applied togather.
[how]
add pipe lock during stream update
Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index b65551d07e4f..260a01ebd888 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1672,6 +1672,7 @@ static void commit_planes_do_stream_update(struct dc *dc, continue; if (stream_update->dpms_off) { + dc->hwss.pipe_control_lock(dc, pipe_ctx, true); if (*stream_update->dpms_off) { core_link_disable_stream(pipe_ctx, KEEP_ACQUIRED_RESOURCE); dc->hwss.optimize_bandwidth(dc, dc->current_state); @@ -1679,6 +1680,7 @@ static void commit_planes_do_stream_update(struct dc *dc, dc->hwss.prepare_bandwidth(dc, dc->current_state); core_link_enable_stream(dc->current_state, pipe_ctx); } + dc->hwss.pipe_control_lock(dc, pipe_ctx, false); } if (stream_update->abm_level && pipe_ctx->stream_res.abm) { |