On Tue, Oct 23, 2018 at 07:19:23PM -0700, Juston Li wrote: > Updated and resending these patches from Lyude: > https://lkml.org/lkml/2016/5/19/361 > https://lkml.org/lkml/2016/5/19/360 > > As Lyude explains in patch 1/2, we can't rely on MST hubs to handle > hotplugs during suspend. This patchset will check if any EDID's changed > upon resume and reset the MST connections if they did. > > This resolves issues with monitors not being detected when hotplugging them > during suspend. > > Signed-off-by: Juston Li <juston.li@xxxxxxxxx> For formality, does this also imply a reviewed-by tag? For merging propably best we wait for the backmerge and the push these in through drm-misc-next-fixes. Well for drm-misc-next-fixes drm-misc maintainers need to roll the tree forward. Either way needs synchronization. Plus an ack from drm-intel maintainers. -Daniel > > Changes since v1: > - update functions that have been renamed since the original patch > - add a null check for the cached EDID in case a new device was added > - checkpatch fixes > > Lyude (2): > drm/dp/mst: Reprobe EDID for MST ports on resume > drm/i915/mst: Reset MST after resume when necessary > > drivers/gpu/drm/drm_dp_mst_topology.c | 94 ++++++++++++++++++++++++++- > drivers/gpu/drm/i915/intel_dp.c | 7 +- > 2 files changed, 99 insertions(+), 2 deletions(-) > > -- > 2.17.2 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
