diff options
| author | Hersen Wu <hersenxs.wu@amd.com> | 2018-02-09 16:35:14 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-03-05 15:32:20 -0500 |
| commit | fd92ac1b4658bd1c9650f720e1094fa29fbfd995 (patch) | |
| tree | 685993e36ba5370a7ebf9993b3afeff7197e4948 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | |
| parent | 3126bf79586aa0fcd27422af3bba2d0539ee9e18 (diff) | |
drm/amd/display: move MST branch initialize to before link training
some MST capable scaler doesn't like recieving CLEAR_PAYLOAD_ID_TABLE after
link training. move branch initialize to before link training
Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Signed-off-by: Tony Cheng <tony.cheng@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index 9bd142f65f9b..3e157e65d7cd 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -258,6 +258,15 @@ bool dm_helpers_dp_mst_write_payload_allocation_table( return true; } + +/* + * Clear payload allocation table before enable MST DP link. + */ +void dm_helpers_dp_mst_clear_payload_allocation_table( + struct dc_context *ctx, + const struct dc_link *link) +{} + /* * Polls for ACT (allocation change trigger) handled and sends * ALLOCATE_PAYLOAD message. |