From 7d3dc50e241d8d198e7f1ed9ae8195121fe8fc82 Mon Sep 17 00:00:00 2001 From: Alex Hung Date: Wed, 11 Oct 2023 13:23:05 -0600 Subject: [PATCH] Revert "drm/amd/display: Disable virtual links" This reverts commit b22c336268e477e3e8fc21e7d6b18fa8c4cd1f9a. [WHY & HOW] The writeback series cause a regression in thunderbolt display. Signed-off-by: Alex Hung Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 4a43f26d51d7..1a6c682eb311 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1676,7 +1676,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) /* Enable DWB for tested platforms only */ if (adev->ip_versions[DCE_HWIP][0] >= IP_VERSION(3, 0, 0)) - init_data.num_virtual_links = 0; + init_data.num_virtual_links = 1; INIT_LIST_HEAD(&adev->dm.da_list);