From: Harry Wentland <harry.wentland@xxxxxxx>
[Why]
link_stream is never NULL here as we've dereferenced it a couple lines before
and have done so for a couple months now.
[How]
- Drop the NULL check.
- Initialize where we know link_stream is non-NULL
Signed-off-by: Harry Wentland <harry.wentland@xxxxxxx>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@xxxxxxx>
Acked-by: Leo Li <sunpeng.li@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/core/dc_link.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 5d6cf6bdccf7..8803f6cc5414 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -3021,8 +3021,10 @@ void dc_link_set_preferred_link_settings(struct dc *dc,
for (i = 0; i < MAX_PIPES; i++) {
pipe = &dc->current_state->res_ctx.pipe_ctx[i];
if (pipe->stream && pipe->stream->link) {
- if (pipe->stream->link == link)
+ if (pipe->stream->link == link) {
+ link_stream = pipe->stream;
break;
+ }
}
}
@@ -3030,14 +3032,11 @@ void dc_link_set_preferred_link_settings(struct dc *dc,
if (i == MAX_PIPES)
return;
- link_stream = link->dc->current_state->res_ctx.pipe_ctx[i].stream;
-
/* Cannot retrain link if backend is off */
if (link_stream->dpms_off)
return;
- if (link_stream)
- decide_link_settings(link_stream, &store_settings);
+ decide_link_settings(link_stream, &store_settings);
if ((store_settings.lane_count != LANE_COUNT_UNKNOWN) &&
(store_settings.link_rate != LINK_RATE_UNKNOWN))
--
2.22.0
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