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drm/amd/display: use proper pipe_ctx index

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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>
This commit is contained in:
Samson Tam 2018-09-07 10:13:55 -04:00 committed by Alex Deucher
parent aa9c4abe46
commit a978f65765
1 changed files with 18 additions and 2 deletions
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20
drivers/gpu/drm/amd/display/dc/core/dc.c
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@ -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)