From: Leo Li <sunpeng...@amd.com>
Set the connector's kernel device as the parent for the aux kernel
device. This allows udev rules to access connector attributes when
creating symlinks to aux devices.
For example, the following udev rule:
SUBSYSTEM=="drm_dp_aux_dev", SUBSYSTEMS=="drm", ATTRS{edid}=="*",
SYMLINK+="drm_dp_aux/by-name/$id"
Will create the following symlinks using the connector's name:
$ ls /dev/drm_dp_aux/by-name/
card0-DP-1 card0-DP-2 card0-DP-3
Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
Cc: Lyude Paul <ly...@redhat.com>
Cc: Nicholas Kazlauskas <nicholas.kazlaus...@amd.com>
Cc: Harry Wentland <harry.wentl...@amd.com>
Cc: Jerry (Fangzhi) Zuo <jerry....@amd.com>
Signed-off-by: Leo Li <sunpeng...@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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 a6f44a4..083fb97 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
@@ -385,7 +385,7 @@ void amdgpu_dm_initialize_dp_connector(struct
amdgpu_display_manager *dm,
struct amdgpu_dm_connector *aconnector)
{
aconnector->dm_dp_aux.aux.name = "dmdc";
- aconnector->dm_dp_aux.aux.dev = dm->adev->dev;
+ aconnector->dm_dp_aux.aux.dev = aconnector->base.kdev;
aconnector->dm_dp_aux.aux.transfer = dm_dp_aux_transfer;
aconnector->dm_dp_aux.ddc_service = aconnector->dc_link->ddc;
--
2.7.4
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