diff options
| author | Samson Tam <Samson.Tam@amd.com> | 2018-09-07 10:13:55 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-09-26 21:09:05 -0500 |
| commit | a978f65765e2ccefb22eb77940685ae60c05ff6c (patch) | |
| tree | bf59f44837a1fd4ea8b3b6c1e5030f8769280d59 | |
| parent | aa9c4abe466ac7cd4ab8e1d81b959c3d51173745 (diff) | |
drm/amd/display: use proper pipe_ctx index
Use link->link_index as index to pipe_ctx[] to get proper link
information instead of using index 0 to avoid potential miss matches.
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 1c438eedf77a..7d9be87140cc 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -460,9 +460,25 @@ void dc_link_set_preferred_link_settings(struct dc *dc, struct dc_link_settings *link_setting, struct dc_link *link) { + int i; + struct pipe_ctx *pipe; + struct dc_stream_state *link_stream; struct dc_link_settings store_settings = *link_setting; - struct dc_stream_state *link_stream = - link->dc->current_state->res_ctx.pipe_ctx[0].stream; + + for (i = 0; i < MAX_PIPES; i++) { + pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + if (pipe->stream && pipe->stream->sink + && pipe->stream->sink->link) { + if (pipe->stream->sink->link == link) + break; + } + } + + /* Stream not found */ + if (i == MAX_PIPES) + return; + + link_stream = link->dc->current_state->res_ctx.pipe_ctx[i].stream; link->preferred_link_setting = store_settings; if (link_stream) |