diff options
| author | Michael Strauss <michael.strauss@amd.com> | 2021-08-16 16:15:36 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-07-05 16:17:06 -0400 |
| commit | b278b738c3be4f383796d09ef8fb6e49fee2091f (patch) | |
| tree | d4324cb973aa08bdf65047e22914d4a3a82b81a9 | |
| parent | 3b779044c81754f094ee88afe431d839e3a74aa0 (diff) | |
drm/amd/display: Initialize lt_settings on instantiation
[WHY]
lt_settings' pointers remain uninitialized but nonzero if display fails
to light up with no DPCD/EDID info populated, leading to a hang on access
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c index 3b8acda50701e..468e39589ed8c 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c @@ -960,7 +960,7 @@ enum link_training_result dc_link_dpia_perform_link_training( bool skip_video_pattern) { enum link_training_result result; - struct link_training_settings lt_settings; + struct link_training_settings lt_settings = {0}; uint8_t repeater_cnt = 0; /* Number of hops/repeaters in display path. */ int8_t repeater_id; /* Current hop. */ |