On Tue, May 03, 2022 at 04:57:28PM -0700, Anusha Srivatsa wrote: > While DG2 supports DC5 and DC9, some of the tests in > fast-feedback blew up DG2 when the tests forced transition > from dc5->dc9 on suspend and dc9->dc5 on resume. Some local > experiments performed with Rodrigo on a RIL system showed promising > results when dc5 was completely diabled and i915 took only dc9 paths. > > Sending this so we can check the CI results to confirm the > findings from local testing which will hopefully help narrow > down the root cause of MMIO BAR lost issue > > Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> > Cc: Imre Deak <imre.deak@xxxxxxxxx> Acked-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> thanks for sending this. We definitely need this for now while we work to understand the dc5. > > Anusha Srivatsa (1): > drm/i915/dmc: Load DMC on DG2 > > drivers/gpu/drm/i915/display/intel_display_power.c | 4 +++- > drivers/gpu/drm/i915/display/intel_dmc.c | 10 +++++++++- > 2 files changed, 12 insertions(+), 2 deletions(-) > > -- > 2.25.1 >
