Re: [Intel-gfx] [PATCH 0/1] DG2 DMC Support

[Rodrigo Vivi <rodrigo.vivi@intel.com>]

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@intel.com>
> Cc: Imre Deak <imre.deak@intel.com>

Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

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
>