Re: [RFC 0/2] Add AUX device entries for DP MST devices

2019-04-16 Thread Ville Syrjälä
On Tue, Apr 16, 2019 at 03:28:24PM +, Li, Sun peng (Leo) wrote: > >> Hmm. My MST-foo is admittedly weak so I'm not sure. A quick trawl through > >> the spec didn't provide any solid explanations either :( However eg. > >> "Figure 2-83: Example Multi-function MST Branch-Sink Device Enumeration"

Re: [RFC 0/2] Add AUX device entries for DP MST devices

2019-04-16 Thread Li, Sun peng (Leo)
>> Hmm. My MST-foo is admittedly weak so I'm not sure. A quick trawl through >> the spec didn't provide any solid explanations either :( However eg. >> "Figure 2-83: Example Multi-function MST Branch-Sink Device Enumeration" >> in the DP 1.4 spec does appear to show kind of virtual DPCD thing

Re: [RFC 0/2] Add AUX device entries for DP MST devices

2019-04-15 Thread Li, Sun peng (Leo)
On 2019-04-12 1:30 p.m., Ville Syrjälä wrote: > On Fri, Apr 12, 2019 at 12:05:29PM -0400, sunpeng...@amd.com wrote: >> From: Leo Li >> >> Hi all, >> >> This is a follup to this change made by Ville to add MST aux nodes: >>

Re: [RFC 0/2] Add AUX device entries for DP MST devices

2019-04-12 Thread Ville Syrjälä
On Fri, Apr 12, 2019 at 12:05:29PM -0400, sunpeng...@amd.com wrote: > From: Leo Li > > Hi all, > > This is a follup to this change made by Ville to add MST aux nodes: > https://github.com/vsyrjala/linux/commit/cac63f799ee2f5fbbe4f0a375383f13e03d640a5 > Patch 2/2 describes what I added on top.