From fd92ac1b4658bd1c9650f720e1094fa29fbfd995 Mon Sep 17 00:00:00 2001 From: Hersen Wu Date: Fri, 9 Feb 2018 16:35:14 -0500 Subject: 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 Signed-off-by: Tony Cheng Reviewed-by: Tony Cheng Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c') 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. -- cgit v1.2.3