[PATCH 0/7] Add DP MST AUX devices

Li, Sun peng (Leo) Sunpeng.Li at amd.com
Thu May 16 20:21:52 UTC 2019



On 2019-05-16 3:54 p.m., Lyude Paul wrote:
> [CAUTION: External Email]
> 
> Hi, could we (and for future versions of this series and others) get a respin
> of this that's actually rebased against drm-tip? That is the defacto standard
> branch to do development on, and otherwise anyone trying to test these patches
> has to resolve merge conflicts (along with maintainers). The branch this
> appears to be based off of doesn't even have the new kref scheme for branch
> devices and ports.
> 

Sorry, this was laziness on my part :)
Rebasing this now.

Leo

> On Thu, 2019-05-16 at 11:17 -0400, sunpeng.li at amd.com wrote:
>> From: Leo Li <sunpeng.li at amd.com>
>>
>> This series adds support for MST AUX devices.
>>
>> A more descriptive 'mstpath' attribute is also added to MST connector
>> devices. In addition, the DP aux device is made to be a child of the
>> corresponding connector's device where possible (*). This allows udev
>> rules to provide descriptive symlinks to the AUX devices.
>>
>> (*) This can only be done on drivers that register their connector and
>> aux devices via drm_connector_register() and drm_dp_aux_register()
>> respectively. The connector also needs to be registered before the aux
>> device.
>>
>> Leo Li (6):
>>    drm/dp: Use non-cyclic idr
>>    drm/dp-mst: Use connector kdev as aux device parent
>>    drm/sysfs: Add mstpath attribute to connector devices
>>    drm/amd/display: Use connector kdev as aux device parent
>>    drm/bridge/analogix-anx78xx: Use connector kdev as aux device parent
>>    drm/nouveau: Use connector kdev as aux device parent
>>
>> Ville Syrjälä (1):
>>    drm/dp_mst: Register AUX devices for MST ports
>>
>>   .../amd/display/amdgpu_dm/amdgpu_dm_mst_types.c    |   2 +-
>>   drivers/gpu/drm/bridge/analogix-anx78xx.c          |  22 ++---
>>   drivers/gpu/drm/drm_dp_aux_dev.c                   |  17 +++-
>>   drivers/gpu/drm/drm_dp_mst_topology.c              | 106
>> ++++++++++++++++++---
>>   drivers/gpu/drm/drm_sysfs.c                        |  23 +++++
>>   drivers/gpu/drm/nouveau/nouveau_connector.c        |   2 +-
>>   include/drm/drm_dp_helper.h                        |   4 +
>>   include/drm/drm_dp_mst_helper.h                    |   6 ++
>>   8 files changed, 152 insertions(+), 30 deletions(-)
>>
> --
> Cheers,
>          Lyude Paul
> 


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