On środa, 25 stycznia 2017 12:24:35 CET Alex Deucher wrote: > On Wed, Jan 25, 2017 at 12:16 PM, Krzysztof Nowicki > > <krzysztof.a.nowicki@xxxxxxxxx> wrote: > > Hi, > > > > > > Is this patch still being considered for pulling in? > > > > Recently I've been fighting with a HP UltraSlim docking station with a MST > > hub inside in order to get it working with the amdgpu DAL/DC code. I > > couldn't get it to work until I stumbled upon this patch. Applying it > > solved the issue instantly. > > > > What I have found during debugging is that the MST hub would return SST > > sink port numbers < 8 which resulted in no EDID being retrieved and in > > turn the status of the outputs was 'disconnected'. > > Harry, > > Any chance you could re-spin this against something more recent and re-send? > > Alex Hi, I have actually investigated this problem further and noticed that it's a problem in the amdgpu DAL/DC driver, which makes an incorrect assumption about the presence of a cached EDID. The fact that it started to work was only a side-effect of this patch. I have submitted a patch to amd-gfx with what I believe is the proper fix. Regards Chris _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
