On 27.01.23 08:39, Greg KH wrote: > On Fri, Jan 20, 2023 at 11:51:04AM -0600, Limonciello, Mario wrote: >> On 1/20/2023 11:46, Guenter Roeck wrote: >>> On Thu, Jan 12, 2023 at 04:50:44PM +0800, Wayne Lin wrote: >>>> This reverts commit 4d07b0bc403403438d9cf88450506240c5faf92f. >>>> >>>> [Why] >>>> Changes cause regression on amdgpu mst. >>>> E.g. >>>> In fill_dc_mst_payload_table_from_drm(), amdgpu expects to add/remove payload >>>> one by one and call fill_dc_mst_payload_table_from_drm() to update the HW >>>> maintained payload table. But previous change tries to go through all the >>>> payloads in mst_state and update amdpug hw maintained table in once everytime >>>> driver only tries to add/remove a specific payload stream only. The newly >>>> design idea conflicts with the implementation in amdgpu nowadays. >>>> >>>> [How] >>>> Revert this patch first. After addressing all regression problems caused by >>>> this previous patch, will add it back and adjust it. >>> >>> Has there been any progress on this revert, or on fixing the underlying >>> problem ? >>> >>> Thanks, >>> Guenter >> >> Hi Guenter, >> >> Wayne is OOO for CNY, but let me update you. >> >> Harry has sent out this series which is a collection of proper fixes. >> https://patchwork.freedesktop.org/series/113125/ >> >> Once that's reviewed and accepted, 4 of them are applicable for 6.1. > > Any hint on when those will be reviewed and accepted? patchwork doesn't > show any activity on them, or at least I can't figure it out... I didn't look closer (hence please correct me if I'm wrong), but the core changes afaics are in the DRM pull airlied send a few hours ago to Linus (note the "amdgpu […] DP MST fixes" line): https://lore.kernel.org/all/CAPM%3D9tzuu4xnx6T5v7sKsK%2BA5HEaPOc1ieMyzNSYQZGztJ%3D6Qw@xxxxxxxxxxxxxx/ Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) -- Everything you wanna know about Linux kernel regression tracking: https://linux-regtracking.leemhuis.info/about/#tldr If I did something stupid, please tell me, as explained on that page.
