From: Dmitry Osipenko <digetx@gmail.com> To: Thierry Reding <thierry.reding@gmail.com>, Jonathan Hunter <jonathanh@nvidia.com>, Georgi Djakov <georgi.djakov@linaro.org>, Rob Herring <robh+dt@kernel.org>, Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Peter De Schrijver <pdeschrijver@nvidia.com>, MyungJoo Ham <myungjoo.ham@samsung.com>, Kyungmin Park <kyungmin.park@samsung.com>, Chanwoo Choi <cw00.choi@samsung.com>, Mikko Perttunen <cyndis@kapsi.fi>, Viresh Kumar <vireshk@kernel.org>, Peter Geis <pgwipeout@gmail.com>, Nicolas Chauvet <kwizart@gmail.com>, Krzysztof Kozlowski <krzk@kernel.org> Cc: linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH v10 00/19] Introduce memory interconnect for NVIDIA Tegra SoCs Date: Mon, 23 Nov 2020 03:27:04 +0300 [thread overview] Message-ID: <20201123002723.28463-1-digetx@gmail.com> (raw) This series brings initial support for memory interconnect to Tegra20, Tegra30 and Tegra124 SoCs. For the starter only display controllers and devfreq devices are getting interconnect API support, others could be supported later on. The display controllers have the biggest demand for interconnect API right now because dynamic memory frequency scaling can't be done safely without taking into account bandwidth requirement from the displays. In particular this series fixes distorted display output on T30 Ouya and T124 TK1 devices. Changelog: v10 - In a longer run it will be much nicer if we could support EMC hardware versioning on Tegra20 and it's not late to support it now. Hence I added these new patches: dt-bindings: memory: tegra20: emc: Document opp-supported-hw property memory: tegra20: Support hardware versioning and clean up OPP table initialization - Removed error message from tegra30-devfreq driver about missing OPP properties in a device-tree because EMC driver already prints that message and it uses OPP API error code instead of checking DT directly, which is a more correct way of doing that. v9: - Squashed "memory: tegra30-emc: Factor out clk initialization" into patch "tegra30: Support interconnect framework". Suggested by Krzysztof Kozlowski. - Improved Kconfig in the patch "memory: tegra124-emc: Make driver modular" by adding CONFIG_TEGRA124_CLK_EMC entry, which makes clk-driver changes to look a bit more cleaner. Suggested by Krzysztof Kozlowski. - Dropped voltage regulator support from ICC and DT patches for now because there is a new discussion about using a power domain abstraction for controlling the regulator, which is likely to happen. - Replaced direct "operating-points-v2" property checking in EMC drivers with checking of a returned error code from dev_pm_opp_of_add_table(). Note that I haven't touched T20 EMC driver because it's very likely that we'll replace that code with a common helper soon anyways. Suggested by Viresh Kumar. - The T30 DT patches now include EMC OPP changes for Ouya board, which is available now in linux-next. Dmitry Osipenko (19): dt-bindings: memory: tegra20: emc: Document opp-supported-hw property memory: tegra20: Support hardware versioning and clean up OPP table initialization memory: tegra30: Support interconnect framework memory: tegra124-emc: Make driver modular memory: tegra124-emc: Continue probing if timings are missing in device-tree memory: tegra124: Support interconnect framework drm/tegra: dc: Support memory bandwidth management drm/tegra: dc: Extend debug stats with total number of events PM / devfreq: tegra30: Support interconnect and OPPs from device-tree PM / devfreq: tegra30: Separate configurations per-SoC generation PM / devfreq: tegra20: Deprecate in a favor of emc-stat based driver ARM: tegra: Correct EMC registers size in Tegra20 device-tree ARM: tegra: Add interconnect properties to Tegra20 device-tree ARM: tegra: Add interconnect properties to Tegra30 device-tree ARM: tegra: Add interconnect properties to Tegra124 device-tree ARM: tegra: Add nvidia,memory-controller phandle to Tegra20 EMC device-tree ARM: tegra: Add EMC OPP properties to Tegra20 device-trees ARM: tegra: Add EMC OPP and ICC properties to Tegra30 EMC and ACTMON device-tree nodes ARM: tegra: Add EMC OPP and ICC properties to Tegra124 EMC and ACTMON device-tree nodes .../memory-controllers/nvidia,tegra20-emc.txt | 6 + MAINTAINERS | 1 - arch/arm/boot/dts/tegra124-apalis-emc.dtsi | 8 + .../arm/boot/dts/tegra124-jetson-tk1-emc.dtsi | 8 + arch/arm/boot/dts/tegra124-nyan-big-emc.dtsi | 10 + .../arm/boot/dts/tegra124-nyan-blaze-emc.dtsi | 10 + .../boot/dts/tegra124-peripherals-opp.dtsi | 419 ++++++++++++++++++ arch/arm/boot/dts/tegra124.dtsi | 31 ++ .../boot/dts/tegra20-acer-a500-picasso.dts | 5 + arch/arm/boot/dts/tegra20-colibri.dtsi | 4 + arch/arm/boot/dts/tegra20-paz00.dts | 4 + .../arm/boot/dts/tegra20-peripherals-opp.dtsi | 109 +++++ arch/arm/boot/dts/tegra20.dtsi | 33 +- ...30-asus-nexus7-grouper-memory-timings.dtsi | 12 + arch/arm/boot/dts/tegra30-ouya.dts | 8 + .../arm/boot/dts/tegra30-peripherals-opp.dtsi | 383 ++++++++++++++++ arch/arm/boot/dts/tegra30.dtsi | 33 +- drivers/clk/tegra/Kconfig | 3 + drivers/clk/tegra/Makefile | 2 +- drivers/clk/tegra/clk-tegra124-emc.c | 41 +- drivers/clk/tegra/clk-tegra124.c | 26 +- drivers/clk/tegra/clk.h | 18 +- drivers/devfreq/Kconfig | 10 - drivers/devfreq/Makefile | 1 - drivers/devfreq/tegra20-devfreq.c | 210 --------- drivers/devfreq/tegra30-devfreq.c | 147 +++--- drivers/gpu/drm/tegra/Kconfig | 1 + drivers/gpu/drm/tegra/dc.c | 359 +++++++++++++++ drivers/gpu/drm/tegra/dc.h | 19 + drivers/gpu/drm/tegra/drm.c | 14 + drivers/gpu/drm/tegra/hub.c | 3 + drivers/gpu/drm/tegra/plane.c | 121 +++++ drivers/gpu/drm/tegra/plane.h | 15 + drivers/memory/tegra/Kconfig | 5 +- drivers/memory/tegra/tegra124-emc.c | 377 ++++++++++++++-- drivers/memory/tegra/tegra124.c | 82 +++- drivers/memory/tegra/tegra20-emc.c | 48 +- drivers/memory/tegra/tegra30-emc.c | 344 +++++++++++++- drivers/memory/tegra/tegra30.c | 173 +++++++- include/linux/clk/tegra.h | 8 + include/soc/tegra/emc.h | 16 - 41 files changed, 2725 insertions(+), 402 deletions(-) create mode 100644 arch/arm/boot/dts/tegra124-peripherals-opp.dtsi create mode 100644 arch/arm/boot/dts/tegra20-peripherals-opp.dtsi create mode 100644 arch/arm/boot/dts/tegra30-peripherals-opp.dtsi delete mode 100644 drivers/devfreq/tegra20-devfreq.c delete mode 100644 include/soc/tegra/emc.h -- 2.29.2
WARNING: multiple messages have this Message-ID (diff)
From: Dmitry Osipenko <digetx@gmail.com> To: Thierry Reding <thierry.reding@gmail.com>, Jonathan Hunter <jonathanh@nvidia.com>, Georgi Djakov <georgi.djakov@linaro.org>, Rob Herring <robh+dt@kernel.org>, Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Peter De Schrijver <pdeschrijver@nvidia.com>, MyungJoo Ham <myungjoo.ham@samsung.com>, Kyungmin Park <kyungmin.park@samsung.com>, Chanwoo Choi <cw00.choi@samsung.com>, Mikko Perttunen <cyndis@kapsi.fi>, Viresh Kumar <vireshk@kernel.org>, Peter Geis <pgwipeout@gmail.com>, Nicolas Chauvet <kwizart@gmail.com>, Krzysztof Kozlowski <krzk@kernel.org> Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-pm@vger.kernel.org Subject: [PATCH v10 00/19] Introduce memory interconnect for NVIDIA Tegra SoCs Date: Mon, 23 Nov 2020 03:27:04 +0300 [thread overview] Message-ID: <20201123002723.28463-1-digetx@gmail.com> (raw) This series brings initial support for memory interconnect to Tegra20, Tegra30 and Tegra124 SoCs. For the starter only display controllers and devfreq devices are getting interconnect API support, others could be supported later on. The display controllers have the biggest demand for interconnect API right now because dynamic memory frequency scaling can't be done safely without taking into account bandwidth requirement from the displays. In particular this series fixes distorted display output on T30 Ouya and T124 TK1 devices. Changelog: v10 - In a longer run it will be much nicer if we could support EMC hardware versioning on Tegra20 and it's not late to support it now. Hence I added these new patches: dt-bindings: memory: tegra20: emc: Document opp-supported-hw property memory: tegra20: Support hardware versioning and clean up OPP table initialization - Removed error message from tegra30-devfreq driver about missing OPP properties in a device-tree because EMC driver already prints that message and it uses OPP API error code instead of checking DT directly, which is a more correct way of doing that. v9: - Squashed "memory: tegra30-emc: Factor out clk initialization" into patch "tegra30: Support interconnect framework". Suggested by Krzysztof Kozlowski. - Improved Kconfig in the patch "memory: tegra124-emc: Make driver modular" by adding CONFIG_TEGRA124_CLK_EMC entry, which makes clk-driver changes to look a bit more cleaner. Suggested by Krzysztof Kozlowski. - Dropped voltage regulator support from ICC and DT patches for now because there is a new discussion about using a power domain abstraction for controlling the regulator, which is likely to happen. - Replaced direct "operating-points-v2" property checking in EMC drivers with checking of a returned error code from dev_pm_opp_of_add_table(). Note that I haven't touched T20 EMC driver because it's very likely that we'll replace that code with a common helper soon anyways. Suggested by Viresh Kumar. - The T30 DT patches now include EMC OPP changes for Ouya board, which is available now in linux-next. Dmitry Osipenko (19): dt-bindings: memory: tegra20: emc: Document opp-supported-hw property memory: tegra20: Support hardware versioning and clean up OPP table initialization memory: tegra30: Support interconnect framework memory: tegra124-emc: Make driver modular memory: tegra124-emc: Continue probing if timings are missing in device-tree memory: tegra124: Support interconnect framework drm/tegra: dc: Support memory bandwidth management drm/tegra: dc: Extend debug stats with total number of events PM / devfreq: tegra30: Support interconnect and OPPs from device-tree PM / devfreq: tegra30: Separate configurations per-SoC generation PM / devfreq: tegra20: Deprecate in a favor of emc-stat based driver ARM: tegra: Correct EMC registers size in Tegra20 device-tree ARM: tegra: Add interconnect properties to Tegra20 device-tree ARM: tegra: Add interconnect properties to Tegra30 device-tree ARM: tegra: Add interconnect properties to Tegra124 device-tree ARM: tegra: Add nvidia,memory-controller phandle to Tegra20 EMC device-tree ARM: tegra: Add EMC OPP properties to Tegra20 device-trees ARM: tegra: Add EMC OPP and ICC properties to Tegra30 EMC and ACTMON device-tree nodes ARM: tegra: Add EMC OPP and ICC properties to Tegra124 EMC and ACTMON device-tree nodes .../memory-controllers/nvidia,tegra20-emc.txt | 6 + MAINTAINERS | 1 - arch/arm/boot/dts/tegra124-apalis-emc.dtsi | 8 + .../arm/boot/dts/tegra124-jetson-tk1-emc.dtsi | 8 + arch/arm/boot/dts/tegra124-nyan-big-emc.dtsi | 10 + .../arm/boot/dts/tegra124-nyan-blaze-emc.dtsi | 10 + .../boot/dts/tegra124-peripherals-opp.dtsi | 419 ++++++++++++++++++ arch/arm/boot/dts/tegra124.dtsi | 31 ++ .../boot/dts/tegra20-acer-a500-picasso.dts | 5 + arch/arm/boot/dts/tegra20-colibri.dtsi | 4 + arch/arm/boot/dts/tegra20-paz00.dts | 4 + .../arm/boot/dts/tegra20-peripherals-opp.dtsi | 109 +++++ arch/arm/boot/dts/tegra20.dtsi | 33 +- ...30-asus-nexus7-grouper-memory-timings.dtsi | 12 + arch/arm/boot/dts/tegra30-ouya.dts | 8 + .../arm/boot/dts/tegra30-peripherals-opp.dtsi | 383 ++++++++++++++++ arch/arm/boot/dts/tegra30.dtsi | 33 +- drivers/clk/tegra/Kconfig | 3 + drivers/clk/tegra/Makefile | 2 +- drivers/clk/tegra/clk-tegra124-emc.c | 41 +- drivers/clk/tegra/clk-tegra124.c | 26 +- drivers/clk/tegra/clk.h | 18 +- drivers/devfreq/Kconfig | 10 - drivers/devfreq/Makefile | 1 - drivers/devfreq/tegra20-devfreq.c | 210 --------- drivers/devfreq/tegra30-devfreq.c | 147 +++--- drivers/gpu/drm/tegra/Kconfig | 1 + drivers/gpu/drm/tegra/dc.c | 359 +++++++++++++++ drivers/gpu/drm/tegra/dc.h | 19 + drivers/gpu/drm/tegra/drm.c | 14 + drivers/gpu/drm/tegra/hub.c | 3 + drivers/gpu/drm/tegra/plane.c | 121 +++++ drivers/gpu/drm/tegra/plane.h | 15 + drivers/memory/tegra/Kconfig | 5 +- drivers/memory/tegra/tegra124-emc.c | 377 ++++++++++++++-- drivers/memory/tegra/tegra124.c | 82 +++- drivers/memory/tegra/tegra20-emc.c | 48 +- drivers/memory/tegra/tegra30-emc.c | 344 +++++++++++++- drivers/memory/tegra/tegra30.c | 173 +++++++- include/linux/clk/tegra.h | 8 + include/soc/tegra/emc.h | 16 - 41 files changed, 2725 insertions(+), 402 deletions(-) create mode 100644 arch/arm/boot/dts/tegra124-peripherals-opp.dtsi create mode 100644 arch/arm/boot/dts/tegra20-peripherals-opp.dtsi create mode 100644 arch/arm/boot/dts/tegra30-peripherals-opp.dtsi delete mode 100644 drivers/devfreq/tegra20-devfreq.c delete mode 100644 include/soc/tegra/emc.h -- 2.29.2 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next reply other threads:[~2020-11-23 0:31 UTC|newest] Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <CGME20201123003254epcas1p1763e1ce693d7cb8e2f20d521e701ad5f@epcas1p1.samsung.com> 2020-11-23 0:27 ` Dmitry Osipenko [this message] 2020-11-23 0:27 ` [PATCH v10 00/19] Introduce memory interconnect for NVIDIA Tegra SoCs Dmitry Osipenko 2020-11-23 0:27 ` [PATCH v10 01/19] dt-bindings: memory: tegra20: emc: Document opp-supported-hw property Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-30 9:48 ` Georgi Djakov 2020-11-30 9:48 ` Georgi Djakov 2020-11-30 18:23 ` Krzysztof Kozlowski 2020-11-30 18:23 ` Krzysztof Kozlowski 2020-11-30 20:03 ` Dmitry Osipenko 2020-11-30 20:03 ` Dmitry Osipenko 2020-11-23 0:27 ` [PATCH v10 02/19] memory: tegra20: Support hardware versioning and clean up OPP table initialization Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-23 0:27 ` [PATCH v10 03/19] memory: tegra30: Support interconnect framework Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-23 6:32 ` Georgi Djakov 2020-11-23 6:32 ` Georgi Djakov 2020-11-23 12:14 ` Dmitry Osipenko 2020-11-23 12:14 ` Dmitry Osipenko 2020-11-23 0:27 ` [PATCH v10 04/19] memory: tegra124-emc: Make driver modular Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-23 0:27 ` [PATCH v10 05/19] memory: tegra124-emc: Continue probing if timings are missing in device-tree Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-23 0:27 ` [PATCH v10 06/19] memory: tegra124: Support interconnect framework Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-23 6:33 ` Georgi Djakov 2020-11-23 6:33 ` Georgi Djakov 2020-11-23 0:27 ` [PATCH v10 07/19] drm/tegra: dc: Support memory bandwidth management Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-23 0:27 ` [PATCH v10 08/19] drm/tegra: dc: Extend debug stats with total number of events Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-23 0:27 ` [PATCH v10 09/19] PM / devfreq: tegra30: Support interconnect and OPPs from device-tree Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-23 7:02 ` Chanwoo Choi 2020-11-23 7:02 ` Chanwoo Choi 2020-11-23 12:14 ` Dmitry Osipenko 2020-11-23 12:14 ` Dmitry Osipenko 2020-11-23 0:27 ` [PATCH v10 10/19] PM / devfreq: tegra30: Separate configurations per-SoC generation Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-23 0:27 ` [PATCH v10 11/19] PM / devfreq: tegra20: Deprecate in a favor of emc-stat based driver Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-23 7:02 ` Chanwoo Choi 2020-11-23 7:02 ` Chanwoo Choi 2020-11-23 0:27 ` [PATCH v10 12/19] ARM: tegra: Correct EMC registers size in Tegra20 device-tree Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-23 0:27 ` [PATCH v10 13/19] ARM: tegra: Add interconnect properties to " Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-23 0:27 ` [PATCH v10 14/19] ARM: tegra: Add interconnect properties to Tegra30 device-tree Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-23 0:27 ` [PATCH v10 15/19] ARM: tegra: Add interconnect properties to Tegra124 device-tree Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-23 0:27 ` [PATCH v10 16/19] ARM: tegra: Add nvidia,memory-controller phandle to Tegra20 EMC device-tree Dmitry Osipenko 2020-11-23 0:27 ` [PATCH v10 16/19] ARM: tegra: Add nvidia, memory-controller " Dmitry Osipenko 2020-11-23 0:27 ` [PATCH v10 17/19] ARM: tegra: Add EMC OPP properties to Tegra20 device-trees Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-30 21:17 ` Jon Hunter 2020-11-30 21:17 ` Jon Hunter 2020-11-30 22:57 ` Dmitry Osipenko 2020-11-30 22:57 ` Dmitry Osipenko 2020-12-01 20:42 ` Jon Hunter 2020-12-01 20:42 ` Jon Hunter 2020-12-04 15:54 ` Thierry Reding 2020-12-04 15:54 ` Thierry Reding 2020-12-05 13:52 ` Krzysztof Kozlowski 2020-12-05 13:52 ` Krzysztof Kozlowski 2020-11-23 0:27 ` [PATCH v10 18/19] ARM: tegra: Add EMC OPP and ICC properties to Tegra30 EMC and ACTMON device-tree nodes Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-23 0:27 ` [PATCH v10 19/19] ARM: tegra: Add EMC OPP and ICC properties to Tegra124 " Dmitry Osipenko 2020-11-23 0:27 ` Dmitry Osipenko 2020-11-23 6:17 ` [PATCH v10 00/19] Introduce memory interconnect for NVIDIA Tegra SoCs Viresh Kumar 2020-11-23 6:17 ` Viresh Kumar 2020-11-23 12:13 ` Dmitry Osipenko 2020-11-23 12:13 ` Dmitry Osipenko 2020-11-30 8:44 ` Chanwoo Choi 2020-11-30 8:44 ` Chanwoo Choi 2020-11-30 8:36 ` Krzysztof Kozlowski 2020-11-30 8:36 ` Krzysztof Kozlowski 2020-11-30 8:59 ` Chanwoo Choi 2020-11-30 8:59 ` Chanwoo Choi
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