From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 76CEDFD21E1 for ; Mon, 30 Jul 2018 08:11:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2C3D520893 for ; Mon, 30 Jul 2018 08:11:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2C3D520893 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726589AbeG3Jp3 (ORCPT ); Mon, 30 Jul 2018 05:45:29 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:55872 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726344AbeG3Jp3 (ORCPT ); Mon, 30 Jul 2018 05:45:29 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id 2F7EF263C00 From: Enric Balletbo i Serra To: MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Rob Herring , Will Deacon , Heiko Stuebner , Michael Turquette , Stephen Boyd , Sandy Huang , David Airlie Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Derek Basehore , linux-clk@vger.kernel.org, linux-rockchip@lists.infradead.org, dri-devel@lists.freedesktop.org, Lin Huang , kernel@collabora.com, robin.murphy@arm.com, Sean Paul , linux-arm-kernel@lists.infradead.org, Catalin Marinas , Mark Yao , Jacob Chen , Brian Norris , Douglas Anderson , Jeffy Chen , Nickey Yang , devicetree@vger.kernel.org, Klaus Goger , Randy Li , Chris Zhong , Shunqian Zheng , Mark Rutland Subject: [PATCH 0/8] Add support for drm/rockchip to dynamically control the DDR frequency. Date: Mon, 30 Jul 2018 10:11:16 +0200 Message-Id: <20180730081124.30698-1-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.18.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dear all, The rk3399 platform has a DFI controller that can monitor DDR load and a DMC driver that talks with the TF-A (Trusted Firmware-A) to dynamically set the DDR frequency with following flow. kernel Trusted Firmware-A (bl31) monitor ddr load | | get_target_rate | | pass rate to TF-A clk_set_rate(ddr) --------------------->run ddr dvs flow | | <------------------------------end ddr dvs flow | | return These patches add support for devfreq to dynamically control the DDR frequency into the drm rockchip driver. By default it uses the 'simple_ondemand' governor which can adjust the frequency based on the DDR load. Waiting for your feedback. Best regards, Enric Changes in v1: - [RFC 1/10] Add Acked-by: Chanwoo Choi - [RFC 1/10] s/Generic/General/ (Robin Murphy) - [RFC 2/10] Add reviewed and acked tags from Chanwoo Choi and Rob Herring - [RFC 3/10] Add an explanation for platform SIP calls. - [RFC 3/10] Change if statement for a switch. - [RFC 3/10] Rename ddr_flag to odt_enable to be more clear. - [RFC 4/10] Removed from the series. I did not found a use case where not holding the mutex causes the issue. - [RFC 7/10] Removed from the series. I did not found a use case where this matters. - [RFC 8/10] Move rk3399-dram.h to dt-includes. - [RFC 8/10] Put sdram default values under the dmc node. - [RFC 8/10] Removed rk3399-dram-default-timing.dts Derek Basehore (2): devfreq: rk3399_dmc / clk: rockchip: Sync with vblank in the kernel for DDRfreq. devfreq: rk3399_dmc / clk: rockchip: Disable DDR clk timeout on suspend. Enric Balletbo i Serra (3): devfreq: rockchip-dfi: Move GRF definitions to a common place. dt-bindings: devfreq: rk3399_dmc: Add rockchip,pmu phandle. devfreq: rk3399_dmc: Pass ODT and auto power down parameters to TF-A. Lin Huang (2): arm64: dts: rk3399: Add dfi and dmc nodes. arm64: dts: rockchip: Enable dmc and dfi nodes on gru. Sean Paul (1): drm: rockchip: Add DDR devfreq support. .../bindings/devfreq/rk3399_dmc.txt | 2 + arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi | 21 ++ .../boot/dts/rockchip/rk3399-op1-opp.dtsi | 29 +++ arch/arm64/boot/dts/rockchip/rk3399.dtsi | 51 ++++- drivers/clk/rockchip/clk-ddr.c | 157 +++++++++++-- drivers/clk/rockchip/clk.c | 2 +- drivers/clk/rockchip/clk.h | 3 +- drivers/devfreq/event/rockchip-dfi.c | 23 +- drivers/devfreq/rk3399_dmc.c | 209 +++++++++++++++--- drivers/devfreq/rk3399_dmc_priv.h | 16 ++ drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 46 ++++ drivers/gpu/drm/rockchip/rockchip_drm_drv.h | 9 + drivers/gpu/drm/rockchip/rockchip_drm_fb.c | 35 +++ drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 34 +++ include/dt-bindings/power/rk3399-dram.h | 73 ++++++ include/soc/rockchip/rk3399_dmc.h | 42 ++++ include/soc/rockchip/rk3399_grf.h | 21 ++ include/soc/rockchip/rockchip_sip.h | 1 + 18 files changed, 704 insertions(+), 70 deletions(-) create mode 100644 drivers/devfreq/rk3399_dmc_priv.h create mode 100644 include/dt-bindings/power/rk3399-dram.h create mode 100644 include/soc/rockchip/rk3399_dmc.h create mode 100644 include/soc/rockchip/rk3399_grf.h -- 2.18.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Enric Balletbo i Serra Subject: [PATCH 0/8] Add support for drm/rockchip to dynamically control the DDR frequency. Date: Mon, 30 Jul 2018 10:11:16 +0200 Message-ID: <20180730081124.30698-1-enric.balletbo@collabora.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Rob Herring , Will Deacon , Heiko Stuebner , Michael Turquette , Stephen Boyd , Sandy Huang , David Airlie Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Derek Basehore , linux-clk@vger.kernel.org, linux-rockchip@lists.infradead.org, dri-devel@lists.freedesktop.org, Lin Huang , kernel@collabora.com, robin.murphy@arm.com, Sean Paul , linux-arm-kernel@lists.infradead.org, Catalin Marinas , Mark Yao , Jacob Chen , Brian Norris , Douglas Anderson , Jeffy Chen , Nickey Yang , devicetree@vger.kernel.org, Klaus Goger , Randy Li , Chris Zhong List-Id: devicetree@vger.kernel.org Dear all, The rk3399 platform has a DFI controller that can monitor DDR load and a DMC driver that talks with the TF-A (Trusted Firmware-A) to dynamically set the DDR frequency with following flow. kernel Trusted Firmware-A (bl31) monitor ddr load | | get_target_rate | | pass rate to TF-A clk_set_rate(ddr) --------------------->run ddr dvs flow | | <------------------------------end ddr dvs flow | | return These patches add support for devfreq to dynamically control the DDR frequency into the drm rockchip driver. By default it uses the 'simple_ondemand' governor which can adjust the frequency based on the DDR load. Waiting for your feedback. Best regards, Enric Changes in v1: - [RFC 1/10] Add Acked-by: Chanwoo Choi - [RFC 1/10] s/Generic/General/ (Robin Murphy) - [RFC 2/10] Add reviewed and acked tags from Chanwoo Choi and Rob Herring - [RFC 3/10] Add an explanation for platform SIP calls. - [RFC 3/10] Change if statement for a switch. - [RFC 3/10] Rename ddr_flag to odt_enable to be more clear. - [RFC 4/10] Removed from the series. I did not found a use case where not holding the mutex causes the issue. - [RFC 7/10] Removed from the series. I did not found a use case where this matters. - [RFC 8/10] Move rk3399-dram.h to dt-includes. - [RFC 8/10] Put sdram default values under the dmc node. - [RFC 8/10] Removed rk3399-dram-default-timing.dts Derek Basehore (2): devfreq: rk3399_dmc / clk: rockchip: Sync with vblank in the kernel for DDRfreq. devfreq: rk3399_dmc / clk: rockchip: Disable DDR clk timeout on suspend. Enric Balletbo i Serra (3): devfreq: rockchip-dfi: Move GRF definitions to a common place. dt-bindings: devfreq: rk3399_dmc: Add rockchip,pmu phandle. devfreq: rk3399_dmc: Pass ODT and auto power down parameters to TF-A. Lin Huang (2): arm64: dts: rk3399: Add dfi and dmc nodes. arm64: dts: rockchip: Enable dmc and dfi nodes on gru. Sean Paul (1): drm: rockchip: Add DDR devfreq support. .../bindings/devfreq/rk3399_dmc.txt | 2 + arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi | 21 ++ .../boot/dts/rockchip/rk3399-op1-opp.dtsi | 29 +++ arch/arm64/boot/dts/rockchip/rk3399.dtsi | 51 ++++- drivers/clk/rockchip/clk-ddr.c | 157 +++++++++++-- drivers/clk/rockchip/clk.c | 2 +- drivers/clk/rockchip/clk.h | 3 +- drivers/devfreq/event/rockchip-dfi.c | 23 +- drivers/devfreq/rk3399_dmc.c | 209 +++++++++++++++--- drivers/devfreq/rk3399_dmc_priv.h | 16 ++ drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 46 ++++ drivers/gpu/drm/rockchip/rockchip_drm_drv.h | 9 + drivers/gpu/drm/rockchip/rockchip_drm_fb.c | 35 +++ drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 34 +++ include/dt-bindings/power/rk3399-dram.h | 73 ++++++ include/soc/rockchip/rk3399_dmc.h | 42 ++++ include/soc/rockchip/rk3399_grf.h | 21 ++ include/soc/rockchip/rockchip_sip.h | 1 + 18 files changed, 704 insertions(+), 70 deletions(-) create mode 100644 drivers/devfreq/rk3399_dmc_priv.h create mode 100644 include/dt-bindings/power/rk3399-dram.h create mode 100644 include/soc/rockchip/rk3399_dmc.h create mode 100644 include/soc/rockchip/rk3399_grf.h -- 2.18.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: enric.balletbo@collabora.com (Enric Balletbo i Serra) Date: Mon, 30 Jul 2018 10:11:16 +0200 Subject: [PATCH 0/8] Add support for drm/rockchip to dynamically control the DDR frequency. Message-ID: <20180730081124.30698-1-enric.balletbo@collabora.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Dear all, The rk3399 platform has a DFI controller that can monitor DDR load and a DMC driver that talks with the TF-A (Trusted Firmware-A) to dynamically set the DDR frequency with following flow. kernel Trusted Firmware-A (bl31) monitor ddr load | | get_target_rate | | pass rate to TF-A clk_set_rate(ddr) --------------------->run ddr dvs flow | | <------------------------------end ddr dvs flow | | return These patches add support for devfreq to dynamically control the DDR frequency into the drm rockchip driver. By default it uses the 'simple_ondemand' governor which can adjust the frequency based on the DDR load. Waiting for your feedback. Best regards, Enric Changes in v1: - [RFC 1/10] Add Acked-by: Chanwoo Choi - [RFC 1/10] s/Generic/General/ (Robin Murphy) - [RFC 2/10] Add reviewed and acked tags from Chanwoo Choi and Rob Herring - [RFC 3/10] Add an explanation for platform SIP calls. - [RFC 3/10] Change if statement for a switch. - [RFC 3/10] Rename ddr_flag to odt_enable to be more clear. - [RFC 4/10] Removed from the series. I did not found a use case where not holding the mutex causes the issue. - [RFC 7/10] Removed from the series. I did not found a use case where this matters. - [RFC 8/10] Move rk3399-dram.h to dt-includes. - [RFC 8/10] Put sdram default values under the dmc node. - [RFC 8/10] Removed rk3399-dram-default-timing.dts Derek Basehore (2): devfreq: rk3399_dmc / clk: rockchip: Sync with vblank in the kernel for DDRfreq. devfreq: rk3399_dmc / clk: rockchip: Disable DDR clk timeout on suspend. Enric Balletbo i Serra (3): devfreq: rockchip-dfi: Move GRF definitions to a common place. dt-bindings: devfreq: rk3399_dmc: Add rockchip,pmu phandle. devfreq: rk3399_dmc: Pass ODT and auto power down parameters to TF-A. Lin Huang (2): arm64: dts: rk3399: Add dfi and dmc nodes. arm64: dts: rockchip: Enable dmc and dfi nodes on gru. Sean Paul (1): drm: rockchip: Add DDR devfreq support. .../bindings/devfreq/rk3399_dmc.txt | 2 + arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi | 21 ++ .../boot/dts/rockchip/rk3399-op1-opp.dtsi | 29 +++ arch/arm64/boot/dts/rockchip/rk3399.dtsi | 51 ++++- drivers/clk/rockchip/clk-ddr.c | 157 +++++++++++-- drivers/clk/rockchip/clk.c | 2 +- drivers/clk/rockchip/clk.h | 3 +- drivers/devfreq/event/rockchip-dfi.c | 23 +- drivers/devfreq/rk3399_dmc.c | 209 +++++++++++++++--- drivers/devfreq/rk3399_dmc_priv.h | 16 ++ drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 46 ++++ drivers/gpu/drm/rockchip/rockchip_drm_drv.h | 9 + drivers/gpu/drm/rockchip/rockchip_drm_fb.c | 35 +++ drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 34 +++ include/dt-bindings/power/rk3399-dram.h | 73 ++++++ include/soc/rockchip/rk3399_dmc.h | 42 ++++ include/soc/rockchip/rk3399_grf.h | 21 ++ include/soc/rockchip/rockchip_sip.h | 1 + 18 files changed, 704 insertions(+), 70 deletions(-) create mode 100644 drivers/devfreq/rk3399_dmc_priv.h create mode 100644 include/dt-bindings/power/rk3399-dram.h create mode 100644 include/soc/rockchip/rk3399_dmc.h create mode 100644 include/soc/rockchip/rk3399_grf.h -- 2.18.0