[v2] Support Tegra210 actmon for dynamic EMC scaling

[PATCH v2 0/8] Support Tegra210 actmon for dynamic EMC scaling

Aaron Kling via B4 Relay posted 8 patches 4 weeks, 1 day ago

Diff against v1 v3 v4
Download series mbox

There is a newer version of this series

.../bindings/devfreq/nvidia,tegra30-actmon.yaml    |  13 +-
.../memory-controllers/nvidia,tegra210-emc.yaml    |  13 +
.../boot/dts/nvidia/tegra210-peripherals-opp.dtsi  | 135 ++++++++++
arch/arm64/boot/dts/nvidia/tegra210.dtsi           |  43 ++++
drivers/memory/tegra/Kconfig                       |   1 +
drivers/memory/tegra/tegra210-emc-core.c           | 274 ++++++++++++++++++++-
drivers/memory/tegra/tegra210-emc.h                |  23 ++
drivers/memory/tegra/tegra210.c                    |  81 ++++++
drivers/soc/tegra/fuse/speedo-tegra210.c           |   1 +
include/dt-bindings/memory/tegra210-mc.h           |  58 +++++
10 files changed, 635 insertions(+), 7 deletions(-)

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[PATCH v2 0/8] Support Tegra210 actmon for dynamic EMC scaling

Posted by Aaron Kling via B4 Relay 4 weeks, 1 day ago

This series adds interconnect support to tegra210 MC and EMC, then
enables actmon. This enables dynamic emc scaling.

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
---
Changes in v2:
- Assume 64-bit dram bus width in patch 4
- Add dt-bindings patch to document the new properties on the
  tegra210-emc node.
- Link to v1: https://lore.kernel.org/r/20250828-t210-actmon-v1-0-aeb19ec1f244@gmail.com

---
Aaron Kling (8):
      dt-bindings: memory: tegra210: Add memory client IDs
      dt-bindings: devfreq: tegra30-actmon: Add Tegra124 fallback for Tegra210
      dt-bindings: memory: tegra210: emc: Document OPP table and interconnect
      soc: tegra: fuse: speedo-tegra210: Add soc speedo 2
      memory: tegra210: Support interconnect framework
      arm64: tegra: tegra210: Add actmon
      arm64: tegra: Add interconnect properties to Tegra210 device-tree
      arm64: tegra: Add OPP tables on Tegra210

 .../bindings/devfreq/nvidia,tegra30-actmon.yaml    |  13 +-
 .../memory-controllers/nvidia,tegra210-emc.yaml    |  13 +
 .../boot/dts/nvidia/tegra210-peripherals-opp.dtsi  | 135 ++++++++++
 arch/arm64/boot/dts/nvidia/tegra210.dtsi           |  43 ++++
 drivers/memory/tegra/Kconfig                       |   1 +
 drivers/memory/tegra/tegra210-emc-core.c           | 274 ++++++++++++++++++++-
 drivers/memory/tegra/tegra210-emc.h                |  23 ++
 drivers/memory/tegra/tegra210.c                    |  81 ++++++
 drivers/soc/tegra/fuse/speedo-tegra210.c           |   1 +
 include/dt-bindings/memory/tegra210-mc.h           |  58 +++++
 10 files changed, 635 insertions(+), 7 deletions(-)
---
base-commit: 8f5ae30d69d7543eee0d70083daf4de8fe15d585
change-id: 20250822-t210-actmon-34904ce7ed0c
prerequisite-change-id: 20250812-tegra210-speedo-470691e8b8cc:v2
prerequisite-patch-id: 83adce426963f91482cc0928357dad36705a3328
prerequisite-patch-id: f693f138b5d40cdc45d9066ce48cbcff782253f8
prerequisite-patch-id: 9e3b9b2fdb8d9c2264dfa7641d1aec84fb7aedd9
prerequisite-patch-id: ef4bcc4ddba7898b188fb3fc6e414a2662183f91

Best regards,
-- 
Aaron Kling <webgeek1234@gmail.com>

Re: [PATCH v2 0/8] Support Tegra210 actmon for dynamic EMC scaling

Posted by Krzysztof Kozlowski 4 weeks ago

On Wed, Sep 03, 2025 at 02:50:06PM -0500, Aaron Kling wrote:
> This series adds interconnect support to tegra210 MC and EMC, then
> enables actmon. This enables dynamic emc scaling.
> 
> Signed-off-by: Aaron Kling <webgeek1234@gmail.com>

I asked for explaining the dependencies and merging. I don't see
improvements here.

Best regards,
Krzysztof