[PATCH 1/2] clk: qocm: add qcom_cc_map_norequest

[Dmitry Baryshkov]

On Tue, 9 Jul 2024 at 01:30, Stephen Boyd <sboyd at kernel.org> wrote:
>
> Quoting Dmitry Baryshkov (2024-06-27 22:20:22)
> > The GPU clock controllers use memory region that is a part of the GMU's
> > memory region. Add qcom_cc_map_norequest() to be used by GPUCC, so that
> > GPU driver can use devm_ioremap_resource for GMU resources.
>
> Why does GMU map the gpu clk controller? Does it use those registers? We
> don't want to allow two different drivers to map the same region because
> then they don't coordinate and write over things.

It's not that GMU maps gpu CC separately. It looks more like gpucc is
a part of the GMU address space. I think GMU manages some of the
clocks or GDSCs directly.

-- 
With best wishes
Dmitry