diff options
Diffstat (limited to 'drivers/platform/x86/amd/pmf/core.c')
-rw-r--r-- | drivers/platform/x86/amd/pmf/core.c | 59 |
1 files changed, 46 insertions, 13 deletions
diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c index 78ed3ee225..4f734e049f 100644 --- a/drivers/platform/x86/amd/pmf/core.c +++ b/drivers/platform/x86/amd/pmf/core.c @@ -251,29 +251,37 @@ static const struct pci_device_id pmf_pci_ids[] = { { } }; -static void amd_pmf_set_dram_addr(struct amd_pmf_dev *dev) +int amd_pmf_set_dram_addr(struct amd_pmf_dev *dev, bool alloc_buffer) { u64 phys_addr; u32 hi, low; + /* Get Metrics Table Address */ + if (alloc_buffer) { + dev->buf = kzalloc(sizeof(dev->m_table), GFP_KERNEL); + if (!dev->buf) + return -ENOMEM; + } + phys_addr = virt_to_phys(dev->buf); hi = phys_addr >> 32; low = phys_addr & GENMASK(31, 0); amd_pmf_send_cmd(dev, SET_DRAM_ADDR_HIGH, 0, hi, NULL); amd_pmf_send_cmd(dev, SET_DRAM_ADDR_LOW, 0, low, NULL); + + return 0; } int amd_pmf_init_metrics_table(struct amd_pmf_dev *dev) { - /* Get Metrics Table Address */ - dev->buf = kzalloc(sizeof(dev->m_table), GFP_KERNEL); - if (!dev->buf) - return -ENOMEM; + int ret; INIT_DELAYED_WORK(&dev->work_buffer, amd_pmf_get_metrics); - amd_pmf_set_dram_addr(dev); + ret = amd_pmf_set_dram_addr(dev, true); + if (ret) + return ret; /* * Start collecting the metrics data after a small delay @@ -284,17 +292,34 @@ int amd_pmf_init_metrics_table(struct amd_pmf_dev *dev) return 0; } +static int amd_pmf_suspend_handler(struct device *dev) +{ + struct amd_pmf_dev *pdev = dev_get_drvdata(dev); + + if (pdev->smart_pc_enabled) + cancel_delayed_work_sync(&pdev->pb_work); + + return 0; +} + static int amd_pmf_resume_handler(struct device *dev) { struct amd_pmf_dev *pdev = dev_get_drvdata(dev); + int ret; + + if (pdev->buf) { + ret = amd_pmf_set_dram_addr(pdev, false); + if (ret) + return ret; + } - if (pdev->buf) - amd_pmf_set_dram_addr(pdev); + if (pdev->smart_pc_enabled) + schedule_delayed_work(&pdev->pb_work, msecs_to_jiffies(2000)); return 0; } -static DEFINE_SIMPLE_DEV_PM_OPS(amd_pmf_pm, NULL, amd_pmf_resume_handler); +static DEFINE_SIMPLE_DEV_PM_OPS(amd_pmf_pm, amd_pmf_suspend_handler, amd_pmf_resume_handler); static void amd_pmf_init_features(struct amd_pmf_dev *dev) { @@ -309,13 +334,18 @@ static void amd_pmf_init_features(struct amd_pmf_dev *dev) dev_dbg(dev->dev, "SPS enabled and Platform Profiles registered\n"); } - /* Enable Auto Mode */ + amd_pmf_init_smart_pc(dev); + if (dev->smart_pc_enabled) { + dev_dbg(dev->dev, "Smart PC Solution Enabled\n"); + /* If Smart PC is enabled, no need to check for other features */ + return; + } + if (is_apmf_func_supported(dev, APMF_FUNC_AUTO_MODE)) { amd_pmf_init_auto_mode(dev); dev_dbg(dev->dev, "Auto Mode Init done\n"); } else if (is_apmf_func_supported(dev, APMF_FUNC_DYN_SLIDER_AC) || is_apmf_func_supported(dev, APMF_FUNC_DYN_SLIDER_DC)) { - /* Enable Cool n Quiet Framework (CnQF) */ ret = amd_pmf_init_cnqf(dev); if (ret) dev_warn(dev->dev, "CnQF Init failed\n"); @@ -330,7 +360,9 @@ static void amd_pmf_deinit_features(struct amd_pmf_dev *dev) amd_pmf_deinit_sps(dev); } - if (is_apmf_func_supported(dev, APMF_FUNC_AUTO_MODE)) { + if (dev->smart_pc_enabled) { + amd_pmf_deinit_smart_pc(dev); + } else if (is_apmf_func_supported(dev, APMF_FUNC_AUTO_MODE)) { amd_pmf_deinit_auto_mode(dev); } else if (is_apmf_func_supported(dev, APMF_FUNC_DYN_SLIDER_AC) || is_apmf_func_supported(dev, APMF_FUNC_DYN_SLIDER_DC)) { @@ -408,9 +440,9 @@ static int amd_pmf_probe(struct platform_device *pdev) apmf_acpi_init(dev); platform_set_drvdata(pdev, dev); + amd_pmf_dbgfs_register(dev); amd_pmf_init_features(dev); apmf_install_handler(dev); - amd_pmf_dbgfs_register(dev); dev_info(dev->dev, "registered PMF device successfully\n"); @@ -448,3 +480,4 @@ module_platform_driver(amd_pmf_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("AMD Platform Management Framework Driver"); +MODULE_SOFTDEP("pre: amdtee"); |