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https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.104 All patches automatically rebased. 1 mm: restrict the pcp batch scale factor to avoid too long latency a new kconfig option (PCP_BATCH_SCALE_MAX) is added to set the max batch scale factor.Whose default value is 5, and users can reduce it when necessary. https://lore.kernel.org/all/20231016053002.756205-5-ying.huang@intel.com/T/#u Build system: bcm4908 bcm53xx Signed-off-by: Zxl hhyccc <zxlhhy@gmail.com> Link: https://github.com/openwrt/openwrt/pull/16141 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
110 lines
2.9 KiB
Diff
110 lines
2.9 KiB
Diff
From e7992615acacc27baeec310197108143afc77337 Mon Sep 17 00:00:00 2001
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From: Robert Marko <robimarko@gmail.com>
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Date: Fri, 26 May 2023 22:48:02 +0200
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Subject: [PATCH] cpufreq: qcom-nvmem: use helper to get SMEM SoC ID
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Now that SMEM exports a helper to get the SMEM SoC ID lets utilize it.
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Currently qcom_cpufreq_get_msm_id() is encoding the returned SMEM SoC ID
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into an enum, however there is no reason to do so and we can just match
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directly on the SMEM SoC ID as returned by qcom_smem_get_soc_id().
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Signed-off-by: Robert Marko <robimarko@gmail.com>
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Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
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Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
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Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Link: https://lore.kernel.org/r/20230526204802.3081168-5-robimarko@gmail.com
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---
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drivers/cpufreq/qcom-cpufreq-nvmem.c | 56 +++++-----------------------
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1 file changed, 10 insertions(+), 46 deletions(-)
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--- a/drivers/cpufreq/qcom-cpufreq-nvmem.c
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+++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c
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@@ -28,16 +28,8 @@
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#include <linux/slab.h>
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#include <linux/soc/qcom/smem.h>
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-#define MSM_ID_SMEM 137
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-
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#include <dt-bindings/arm/qcom,ids.h>
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-enum _msm8996_version {
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- MSM8996_V3,
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- MSM8996_SG,
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- NUM_OF_MSM8996_VERSIONS,
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-};
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-
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struct qcom_cpufreq_drv;
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struct qcom_cpufreq_match_data {
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@@ -138,60 +130,32 @@ static void get_krait_bin_format_b(struc
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dev_dbg(cpu_dev, "PVS version: %d\n", *pvs_ver);
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}
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-static enum _msm8996_version qcom_cpufreq_get_msm_id(void)
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-{
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- size_t len;
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- u32 *msm_id;
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- enum _msm8996_version version;
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-
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- msm_id = qcom_smem_get(QCOM_SMEM_HOST_ANY, MSM_ID_SMEM, &len);
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- if (IS_ERR(msm_id))
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- return NUM_OF_MSM8996_VERSIONS;
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-
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- /* The first 4 bytes are format, next to them is the actual msm-id */
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- msm_id++;
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-
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- switch ((enum _msm_id)*msm_id) {
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- case QCOM_ID_MSM8996:
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- case QCOM_ID_APQ8096:
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- version = MSM8996_V3;
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- break;
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- case QCOM_ID_MSM8996SG:
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- case QCOM_ID_APQ8096SG:
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- version = MSM8996_SG;
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- break;
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- default:
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- version = NUM_OF_MSM8996_VERSIONS;
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- }
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-
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- return version;
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-}
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-
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static int qcom_cpufreq_kryo_name_version(struct device *cpu_dev,
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struct nvmem_cell *speedbin_nvmem,
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char **pvs_name,
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struct qcom_cpufreq_drv *drv)
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{
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size_t len;
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+ u32 msm_id;
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u8 *speedbin;
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- enum _msm8996_version msm8996_version;
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+ int ret;
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*pvs_name = NULL;
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- msm8996_version = qcom_cpufreq_get_msm_id();
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- if (NUM_OF_MSM8996_VERSIONS == msm8996_version) {
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- dev_err(cpu_dev, "Not Snapdragon 820/821!");
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- return -ENODEV;
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- }
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+ ret = qcom_smem_get_soc_id(&msm_id);
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+ if (ret)
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+ return ret;
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speedbin = nvmem_cell_read(speedbin_nvmem, &len);
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if (IS_ERR(speedbin))
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return PTR_ERR(speedbin);
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- switch (msm8996_version) {
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- case MSM8996_V3:
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+ switch (msm_id) {
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+ case QCOM_ID_MSM8996:
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+ case QCOM_ID_APQ8096:
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drv->versions = 1 << (unsigned int)(*speedbin);
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break;
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- case MSM8996_SG:
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+ case QCOM_ID_MSM8996SG:
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+ case QCOM_ID_APQ8096SG:
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drv->versions = 1 << ((unsigned int)(*speedbin) + 4);
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break;
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default:
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