diff options
| author | John Barberiz <John.Barberiz@amd.com> | 2019-01-08 17:43:08 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-01-25 16:15:36 -0500 |
| commit | 3cec41769d2182e629692a3262cc8b24ec972b04 (patch) | |
| tree | 63050fd8f400ba8d20653507fff34e3e3c9db3c4 | |
| parent | bf75572a25367e202ee986c3f7553fb38eec9c5b (diff) | |
drm/amd/display: Fix use of uninitialized union
[Why]
An uninitialized variable would randomly initialize to a large
value. This caused enough delay to fail DP Compliance Test 400.2.1.
[How]
Initialize the variable.
Signed-off-by: John Barberiz <John.Barberiz@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 431805c566cf..92f565ca1260 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -47,7 +47,7 @@ static void wait_for_training_aux_rd_interval( struct dc_link *link, uint32_t default_wait_in_micro_secs) { - union training_aux_rd_interval training_rd_interval; + union training_aux_rd_interval training_rd_interval = {0}; /* overwrite the delay if rev > 1.1*/ if (link->dpcd_caps.dpcd_rev.raw >= DPCD_REV_12) { |