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Wysocki " Cc: "linux-kernel@vger.kernel.org" , "linux-pm@vger.kernel.org" , "Chanwoo Choi (samsung.com)" , "Chanwoo Choi (chanwoo@kernel.org)" , Kyungmin Park , =?UTF-8?B?7ZWo66qF7KO8?= Message-ID: <3acd6c32-6e78-dfc2-3e45-84f69a7d5f36@samsung.com> Date: Wed, 18 May 2022 11:42:04 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:59.0) Gecko/20100101 Thunderbird/59.0 MIME-Version: 1.0 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprMJsWRmVeSWpSXmKPExsWy7bCmru7psJYkg12bdCwm3rjCYnH9y3NW i7NNb9gtLu+aw2bxufcIo8XtxhVsFmdOX2J1YPfYtKqTzWPL1XYWj74tqxg9Pm+SC2CJyrbJ SE1MSS1SSM1Lzk/JzEu3VfIOjneONzUzMNQ1tLQwV1LIS8xNtVVy8QnQdcvMAbpASaEsMacU KBSQWFyspG9nU5RfWpKqkJFfXGKrlFqQklNgWqBXnJhbXJqXrpeXWmJlaGBgZApUmJCdsefK OraCMyoVW1e/YWpg/CvTxcjJISFgIrH4+BL2LkYuDiGBHYwSPfsa2CCcT4wSR/78gHK+MUos XP6GFaZl4ecDjBCJvYwSi9avYYZw3jNKTH59kBmkik1AS2L/ixtsILawgKbE+2dPmUBsfgFF ias/HgN1c3CICNhLdHzIBOllFrjAJHH53EmwXl4BO4mf53+C9bIIqEpc/DiFBcQWFQiTOLmt hRGiRlDi5MwnYHFmAXGJW0/mM0HY8hLb385hhrj0J7vEz8NSILskBFwkGpZoQISFJV4d38IO YUtJvOxvA/tfQqCZUaLhxW1GCKeHUeLosz4WiCpjif1LJzOBDGIGemb9Ln2IsKLEzt9zGSH2 8km8+9rDCrGLV6KjTQiiRFni8oO7TBC2pMTi9k42CNtD4vKkz+wTGBVnIflmFpJvZiH5ZhbC 4gWMLKsYxVILinPTU4sNC0zgsZ2cn7uJEZw6tSx2MM59+0HvECMTB+MhRgkOZiURXoOKhiQh 3pTEyqrUovz4otKc1OJDjKbA8J3ILCWanA9M3nkl8YYmlgYmZkbGJhaGZoZK4ry9U08nCgmk J5akZqemFqQWwfQxcXBKNTCVCjyasmOlQG/fn5vyWpbCuieEBAOFzT+uOaUyY5La5ZVX1L/f 0GSY6/X0Qvjj0L/drcLHbXa1Rdw1eFlZz/3d4PftLiX9+2kaaScfz1EzErH/vtxZ8vkxi9W5 7I9vTfqsxnRwScYDyyN1nTtOX85Y4j/3VeJOkbfJ16xWb9l7ddvyHPapT8POtP8Or27xPvhB 48qNHT/XHW14PiNxc22DQtbvKCaXoGiHqYbuYbdNfs35fVOofdYDn/KdjW91J39P+HxKUOQ6 60LpH9ovZWfqWNTYiBq4mNsWPS5d+jnBevmclVN99gv3sfzcafw0Tzb67fNKabdX0VdOrPMw DPZZ0nL246nI1HgvN9OTTQtylFiKMxINtZiLihMBdOprJSYEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrKLMWRmVeSWpSXmKPExsWy7bCSvO7psJYkgzefRC0m3rjCYnH9y3NW i7NNb9gtLu+aw2bxufcIo8XtxhVsFmdOX2J1YPfYtKqTzWPL1XYWj74tqxg9Pm+SC2CJ4rJJ Sc3JLEst0rdL4MrYc2UdW8EZlYqtq98wNTD+leli5OSQEDCRWPj5AGMXIxeHkMBuRomdKy6y QSQkJaZdPMrcxcgBZAtLHD5cDFHzllFi4orXrCA1bAJaEvtf3ACrFxbQlHj/7CkTiM0voChx 9cdjRpBeEQF7iY4PmSC9zAKXmCT6NvaA9fIK2En8PP8TrJdFQFXi4scpLCC2qECYxM4lj5kg agQlTs58AhZnFlCX+DPvEjOELS5x68l8JghbXmL72znMExgFZyFpmYWkZRaSlllIWhYwsqxi lEwtKM5Nzy02LDDMSy3XK07MLS7NS9dLzs/dxAiOCS3NHYzbV33QO8TIxMF4iFGCg1lJhNeg oiFJiDclsbIqtSg/vqg0J7X4EKM0B4uSOO+FrpPxQgLpiSWp2ampBalFMFkmDk6pBiaPxTfN NWYk9LJ5h+8pWp92fCKXwebT0cH/iiyVv5UJbzJf4vhU88STTcYsJ14v3f1tgv3npZUrmn7X L3m2OoLJ5LuTre3B8k9qdgcvLT9z8GueTJB5vuijTKdNU+PC2K82lTr113gra/aW5s/SsOtQ WHbAMnumS5XFJy9Jh6TOmqrsOVkdPjmsCbYnPjLe3R4jxRx3WkXVsTPBPHs954/GI3YhD67f MhbpE0rlWT+JfalpvfUOJjlNN0UdywVhrFn/Gy5ZJV2c3Z5ssXVq51Ntrc0vUvflWHmbC7HX 3K25uDLY9fi/2mvuu/5w57++5KSoLudb8W+HMc+cysl+65kdOT9sfMW5q2pVl2i2EktxRqKh FnNRcSIAZpT8ffgCAAA= X-CMS-MailID: 20220518021539epcas1p3449c756c4aca3c12000e2350b288a197 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: SVC_REQ_APPROVE CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20220518021539epcas1p3449c756c4aca3c12000e2350b288a197 References: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dear Rafael, This is devfreq-next pull request for v5.19-rc1. I add detailed description of this pull request on the following tag. Please pull devfreq with following updates. - tag name : devfreq-next-for-5.19 Best Regards, Chanwoo Choi The following changes since commit 3123109284176b1532874591f7c81f3837bbdc17: Linux 5.18-rc1 (2022-04-03 14:08:21 -0700) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git tags/devfreq-next-for-5.19 for you to fetch changes up to 26984d9d581e5049bd75091d2e789b9cc3ea12e0: PM / devfreq: passive: Keep cpufreq_policy for possible cpus (2022-05-17 18:24:39 +0900) ---------------------------------------------------------------- Update devfreq next for v5.19 Detailed description for this pull request: 1. Update devfreq core - Add cpu based scaling support to passive governor. Some device like cache might require the dynamic frequency scaling. But, it has very tightly to cpu frequency. So that use passive governor to scale the frequency according to current cpu frequency. To decide the frequency of the device, the governor does one of the following: : Derives the optimal devfreq device opp from required-opps property of the parent cpu opp_table. : Scales the device frequency in proportion to the CPU frequency. So, if the CPUs are running at their max frequency, the device runs at its max frequency. If the CPUs are running at their min frequency, the device runs at its min frequency. It is interpolated for frequencies in between. 2. Update devfreq driver - Update rk3399_dmc.c as following: : Convert dt-binding document to YAML and deprecate unused properties. : Use Hz units for the device-tree properties of rk3399_dmc. : rk3399_dmc is able to set the idle time before changing the dmc clock. Specify idle time parameters by using nano-second unit on dt bidning. : Add new disable-freq properties to optimize the power-saving feature of rk3399_dmc. : Disable devfreq-event device on remove() to fix unbalanced enable-disable count. : Use devm_pm_opp_of_add_table() : Block PMU (Power-Management Unit) transitions when scaling frequency by ARM Trust Firmware in order to fix the conflict between PMU and DMC (Dynamic Memory Controller). ---------------------------------------------------------------- Brian Norris (15): dt-bindings: devfreq: rk3399_dmc: Convert to YAML dt-bindings: devfreq: rk3399_dmc: Deprecate unused/redundant properties dt-bindings: devfreq: rk3399_dmc: Fix Hz units dt-bindings: devfreq: rk3399_dmc: Specify idle params in nanoseconds dt-bindings: devfreq: rk3399_dmc: Add more disable-freq properties PM / devfreq: rk3399_dmc: Drop undocumented ondemand DT props PM / devfreq: rk3399_dmc: Drop excess timing properties PM / devfreq: rk3399_dmc: Use bitfield macro definitions for ODT_PD PM / devfreq: rk3399_dmc: Support new disable-freq properties PM / devfreq: rk3399_dmc: Support new *-ns properties PM / devfreq: rk3399_dmc: Disable edev on remove() PM / devfreq: rk3399_dmc: Use devm_pm_opp_of_add_table() PM / devfreq: rk3399_dmc: Avoid static (reused) profile soc: rockchip: power-domain: Manage resource conflicts with firmware PM / devfreq: rk3399_dmc: Block PMU during transitions Chanwoo Choi (3): PM / devfreq: Export devfreq_get_freq_range symbol within devfreq PM / devfreq: passive: Reduce duplicate code when passive_devfreq case PM / devfreq: passive: Keep cpufreq_policy for possible cpus Saravana Kannan (1): PM / devfreq: Add cpu based scaling support to passive governor .../devicetree/bindings/devfreq/rk3399_dmc.txt | 212 ----------- .../memory-controllers/rockchip,rk3399-dmc.yaml | 384 ++++++++++++++++++++ drivers/devfreq/devfreq.c | 20 +- drivers/devfreq/governor.h | 27 ++ drivers/devfreq/governor_passive.c | 403 +++++++++++++++++---- drivers/devfreq/rk3399_dmc.c | 312 ++++++++-------- drivers/soc/rockchip/pm_domains.c | 118 ++++++ include/linux/devfreq.h | 17 +- include/soc/rockchip/pm_domains.h | 25 ++ 9 files changed, 1063 insertions(+), 455 deletions(-) delete mode 100644 Documentation/devicetree/bindings/devfreq/rk3399_dmc.txt create mode 100644 Documentation/devicetree/bindings/memory-controllers/rockchip,rk3399-dmc.yaml create mode 100644 include/soc/rockchip/pm_domains.h