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authorDave Airlie <airlied@redhat.com>2021-05-21 15:29:34 +1000
committerDave Airlie <airlied@redhat.com>2021-05-21 15:29:40 +1000
commitc99c4d0ca57c978dcc2a2f41ab8449684ea154cc (patch)
tree3fd20557381e99063293ae5d399a54d0108bcdde /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
parent2ba047855096fff551402a87272b520fe97323f5 (diff)
parent2bb5b5f688cbbd5030629905d3ed8032ab46e79f (diff)
downloadlinux-c99c4d0ca57c978dcc2a2f41ab8449684ea154cc.tar.bz2
Merge tag 'amd-drm-next-5.14-2021-05-19' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-5.14-2021-05-19: amdgpu: - Aldebaran updates - More LTTPR display work - Vangogh updates - SDMA 5.x GCR fixes - RAS fixes - PCIe ASPM support - Modifier fixes - Enable TMZ on Renoir - Buffer object code cleanup - Display overlay fixes - Initial support for multiple eDP panels - Initial SR-IOV support for Aldebaran - DP link training refactor - Misc code cleanups and bug fixes - SMU regression fixes for variable sized arrays - MAINTAINERS fixes for amdgpu amdkfd: - Initial SR-IOV support for Aldebaran - Topology fixes - Initial HMM SVM support - Misc code cleanups and bug fixes radeon: - Misc code cleanups and bug fixes - SMU regression fixes for variable sized arrays - Flickering fix for Oland with multiple 4K displays UAPI: - amdgpu: Drop AMDGPU_GEM_CREATE_SHADOW flag. This was always a kernel internal flag and userspace use of it has always been blocked. It's no longer needed so remove it. - amdkgd: HMM SVM support Overview: https://patchwork.freedesktop.org/series/85562/ Porposed userspace: https://github.com/RadeonOpenCompute/ROCT-Thunk-Interface/tree/fxkamd/hmm-wip Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210520031258.231896-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 4a0c24ce5f7d..e6b2eec9fb59 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -278,6 +278,9 @@ dm_dp_mst_detect(struct drm_connector *connector,
struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
struct amdgpu_dm_connector *master = aconnector->mst_port;
+ if (drm_connector_is_unregistered(connector))
+ return connector_status_disconnected;
+
return drm_dp_mst_detect_port(connector, ctx, &master->mst_mgr,
aconnector->port);
}