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| author | Jing Zhou <Jing.Zhou@amd.com> | 2019-08-22 14:26:33 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-09-13 18:03:28 -0500 |
| commit | b131932215c993ea5adf8192d1de2e8d6b23048d (patch) | |
| tree | e9f9ebaa32303e4a3f8ad9de8e5dff855dbb5e45 /drivers/gpu/drm/amd/display/dc/core | |
| parent | d6bbece2c419debff6fc6b3c7a59fbede53bdef3 (diff) | |
| download | linux-stable-b131932215c993ea5adf8192d1de2e8d6b23048d.tar.gz linux-stable-b131932215c993ea5adf8192d1de2e8d6b23048d.tar.bz2 linux-stable-b131932215c993ea5adf8192d1de2e8d6b23048d.zip | |
drm/amd/display: verify stream link before link test
[Why]
DP1.2 LL CTS test failure.
[How]
The failure is caused by not verify stream link is equal
to link, only check stream and link is not null.
Signed-off-by: Jing Zhou <Jing.Zhou@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c index 79438c4f1e20..a519dbc5ecb6 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c @@ -277,7 +277,8 @@ void dp_retrain_link_dp_test(struct dc_link *link, if (pipes[i].stream != NULL && !pipes[i].top_pipe && !pipes[i].prev_odm_pipe && pipes[i].stream->link != NULL && - pipes[i].stream_res.stream_enc != NULL) { + pipes[i].stream_res.stream_enc != NULL && + pipes[i].stream->link == link) { udelay(100); pipes[i].stream_res.stream_enc->funcs->dp_blank( |