Re: [PATCH 2/3] interconnect: qcom: msm8939: Merge snoc and snoc_mm into one

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On 28/01/2022 22:24, Dmitry Baryshkov wrote:
This would lead to higher frequencies being set on both 'normal' and
mm snoc clocks, thus (possibly) increasing power consumption.

How so ?

There are four clocks

bus
bus_a
bus_mm
bus_a_mm

The last two clocks

SNOC performance points are
0 | 19.2  | XO
1 | 50    | GPLL0
2 | 100   | GPLL0
3 | 133.3 | GPLL0
4 | 160   | GPLL0
5 | 200   | GPLL0
6 | 266.6 | GPLL0

SNOC_MM performance points are
0 | 19.2  | XO
1 | 50    | GPLL0
2 | 100   | GPLL0
3 | 133.3 | GPLL0
4 | 160   | GPLL0
5 | 200   | GPLL0
6 | 266.6 | GPLL0
7 | 320   | GPLL0
8 | 400   | GPLL0

Its GPLL0 being set, the snoc_mm clocks really just map back to GPLL0



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