Re: [Freedreno] [PATCH v6] drm/msm/a6xx: Add support for an interconnect path

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On Fri, Jan 18, 2019 at 01:52:20PM -0800, Doug Anderson wrote:
> Hi,
> 
> On Fri, Jan 18, 2019 at 12:24 PM Jordan Crouse <jcrouse@xxxxxxxxxxxxxx> wrote:
> >
> > Try to get the interconnect path for the GPU and vote for the maximum
> > bandwidth to support all frequencies. This is needed for performance.
> > Later we will want to scale the bandwidth based on the frequency to
> > also optimize for power but that will require some device tree
> > infrastructure that does not yet exist.
> >
> > v6: use icc_set_bw() instead of icc_set()
> > v5: Remove hardcoded interconnect name and just use the default
> > v4: Don't use a port string at all to skip the need for names in the DT
> > v3: Use macros and change port string per Georgi Djakov
> >
> > Signed-off-by: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx>
> > ---
> >
> >  drivers/gpu/drm/msm/Kconfig             |  1 +
> >  drivers/gpu/drm/msm/adreno/a6xx_gmu.c   | 20 ++++++++++++++++++++
> >  drivers/gpu/drm/msm/adreno/adreno_gpu.c |  9 +++++++++
> >  drivers/gpu/drm/msm/msm_gpu.h           |  3 +++
> >  4 files changed, 33 insertions(+)
> 
> Presumably this should go in together with the bindings:
> 
> - https://patchwork.kernel.org/patch/10739233/
> - https://lkml.kernel.org/r/20181220173026.3857-3-jcrouse@xxxxxxxxxxxxxx
> 
> ...since bindings and code usually go in the same tree together.
> 
> 
> As per discussion in v3 AKA v5
> <https://patchwork.kernel.org/patch/10739231/>, we're trying to figure
> out where to land this.  ;-)
 
I'm just a simple caveman driver developer. I'll let the adults figure
out where to put what. LMK if you need a rebase on a different tree.

Jordan

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