diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_gt_throttle_sysfs.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_throttle_sysfs.c | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_throttle_sysfs.c b/drivers/gpu/drm/xe/xe_gt_throttle_sysfs.c deleted file mode 100644 index 63d640591a52..000000000000 --- a/drivers/gpu/drm/xe/xe_gt_throttle_sysfs.c +++ /dev/null @@ -1,251 +0,0 @@ -// SPDX-License-Identifier: MIT -/* - * Copyright © 2023 Intel Corporation - */ - -#include <drm/drm_managed.h> - -#include <regs/xe_gt_regs.h> -#include "xe_device.h" -#include "xe_gt.h" -#include "xe_gt_sysfs.h" -#include "xe_gt_throttle_sysfs.h" -#include "xe_mmio.h" - -/** - * DOC: Xe GT Throttle - * - * Provides sysfs entries for frequency throttle reasons in GT - * - * device/gt#/freq0/throttle/status - Overall status - * device/gt#/freq0/throttle/reason_pl1 - Frequency throttle due to PL1 - * device/gt#/freq0/throttle/reason_pl2 - Frequency throttle due to PL2 - * device/gt#/freq0/throttle/reason_pl4 - Frequency throttle due to PL4, Iccmax etc. - * device/gt#/freq0/throttle/reason_thermal - Frequency throttle due to thermal - * device/gt#/freq0/throttle/reason_prochot - Frequency throttle due to prochot - * device/gt#/freq0/throttle/reason_ratl - Frequency throttle due to RATL - * device/gt#/freq0/throttle/reason_vr_thermalert - Frequency throttle due to VR THERMALERT - * device/gt#/freq0/throttle/reason_vr_tdc - Frequency throttle due to VR TDC - */ - -static struct xe_gt * -dev_to_gt(struct device *dev) -{ - return kobj_to_gt(dev->kobj.parent); -} - -static u32 read_perf_limit_reasons(struct xe_gt *gt) -{ - u32 reg; - - if (xe_gt_is_media_type(gt)) - reg = xe_mmio_read32(gt, MTL_MEDIA_PERF_LIMIT_REASONS); - else - reg = xe_mmio_read32(gt, GT0_PERF_LIMIT_REASONS); - - return reg; -} - -static u32 read_status(struct xe_gt *gt) -{ - u32 status = read_perf_limit_reasons(gt) & GT0_PERF_LIMIT_REASONS_MASK; - - return status; -} - -static u32 read_reason_pl1(struct xe_gt *gt) -{ - u32 pl1 = read_perf_limit_reasons(gt) & POWER_LIMIT_1_MASK; - - return pl1; -} - -static u32 read_reason_pl2(struct xe_gt *gt) -{ - u32 pl2 = read_perf_limit_reasons(gt) & POWER_LIMIT_2_MASK; - - return pl2; -} - -static u32 read_reason_pl4(struct xe_gt *gt) -{ - u32 pl4 = read_perf_limit_reasons(gt) & POWER_LIMIT_4_MASK; - - return pl4; -} - -static u32 read_reason_thermal(struct xe_gt *gt) -{ - u32 thermal = read_perf_limit_reasons(gt) & THERMAL_LIMIT_MASK; - - return thermal; -} - -static u32 read_reason_prochot(struct xe_gt *gt) -{ - u32 prochot = read_perf_limit_reasons(gt) & PROCHOT_MASK; - - return prochot; -} - -static u32 read_reason_ratl(struct xe_gt *gt) -{ - u32 ratl = read_perf_limit_reasons(gt) & RATL_MASK; - - return ratl; -} - -static u32 read_reason_vr_thermalert(struct xe_gt *gt) -{ - u32 thermalert = read_perf_limit_reasons(gt) & VR_THERMALERT_MASK; - - return thermalert; -} - -static u32 read_reason_vr_tdc(struct xe_gt *gt) -{ - u32 tdc = read_perf_limit_reasons(gt) & VR_TDC_MASK; - - return tdc; -} - -static ssize_t status_show(struct device *dev, - struct device_attribute *attr, - char *buff) -{ - struct xe_gt *gt = dev_to_gt(dev); - bool status = !!read_status(gt); - - return sysfs_emit(buff, "%u\n", status); -} -static DEVICE_ATTR_RO(status); - -static ssize_t reason_pl1_show(struct device *dev, - struct device_attribute *attr, - char *buff) -{ - struct xe_gt *gt = dev_to_gt(dev); - bool pl1 = !!read_reason_pl1(gt); - - return sysfs_emit(buff, "%u\n", pl1); -} -static DEVICE_ATTR_RO(reason_pl1); - -static ssize_t reason_pl2_show(struct device *dev, - struct device_attribute *attr, - char *buff) -{ - struct xe_gt *gt = dev_to_gt(dev); - bool pl2 = !!read_reason_pl2(gt); - - return sysfs_emit(buff, "%u\n", pl2); -} -static DEVICE_ATTR_RO(reason_pl2); - -static ssize_t reason_pl4_show(struct device *dev, - struct device_attribute *attr, - char *buff) -{ - struct xe_gt *gt = dev_to_gt(dev); - bool pl4 = !!read_reason_pl4(gt); - - return sysfs_emit(buff, "%u\n", pl4); -} -static DEVICE_ATTR_RO(reason_pl4); - -static ssize_t reason_thermal_show(struct device *dev, - struct device_attribute *attr, - char *buff) -{ - struct xe_gt *gt = dev_to_gt(dev); - bool thermal = !!read_reason_thermal(gt); - - return sysfs_emit(buff, "%u\n", thermal); -} -static DEVICE_ATTR_RO(reason_thermal); - -static ssize_t reason_prochot_show(struct device *dev, - struct device_attribute *attr, - char *buff) -{ - struct xe_gt *gt = dev_to_gt(dev); - bool prochot = !!read_reason_prochot(gt); - - return sysfs_emit(buff, "%u\n", prochot); -} -static DEVICE_ATTR_RO(reason_prochot); - -static ssize_t reason_ratl_show(struct device *dev, - struct device_attribute *attr, - char *buff) -{ - struct xe_gt *gt = dev_to_gt(dev); - bool ratl = !!read_reason_ratl(gt); - - return sysfs_emit(buff, "%u\n", ratl); -} -static DEVICE_ATTR_RO(reason_ratl); - -static ssize_t reason_vr_thermalert_show(struct device *dev, - struct device_attribute *attr, - char *buff) -{ - struct xe_gt *gt = dev_to_gt(dev); - bool thermalert = !!read_reason_vr_thermalert(gt); - - return sysfs_emit(buff, "%u\n", thermalert); -} -static DEVICE_ATTR_RO(reason_vr_thermalert); - -static ssize_t reason_vr_tdc_show(struct device *dev, - struct device_attribute *attr, - char *buff) -{ - struct xe_gt *gt = dev_to_gt(dev); - bool tdc = !!read_reason_vr_tdc(gt); - - return sysfs_emit(buff, "%u\n", tdc); -} -static DEVICE_ATTR_RO(reason_vr_tdc); - -static struct attribute *throttle_attrs[] = { - &dev_attr_status.attr, - &dev_attr_reason_pl1.attr, - &dev_attr_reason_pl2.attr, - &dev_attr_reason_pl4.attr, - &dev_attr_reason_thermal.attr, - &dev_attr_reason_prochot.attr, - &dev_attr_reason_ratl.attr, - &dev_attr_reason_vr_thermalert.attr, - &dev_attr_reason_vr_tdc.attr, - NULL -}; - -static const struct attribute_group throttle_group_attrs = { - .name = "throttle", - .attrs = throttle_attrs, -}; - -static void gt_throttle_sysfs_fini(struct drm_device *drm, void *arg) -{ - struct xe_gt *gt = arg; - - sysfs_remove_group(gt->freq, &throttle_group_attrs); -} - -void xe_gt_throttle_sysfs_init(struct xe_gt *gt) -{ - struct xe_device *xe = gt_to_xe(gt); - int err; - - err = sysfs_create_group(gt->freq, &throttle_group_attrs); - if (err) { - drm_warn(&xe->drm, "failed to register throttle sysfs, err: %d\n", err); - return; - } - - err = drmm_add_action_or_reset(&xe->drm, gt_throttle_sysfs_fini, gt); - if (err) - drm_warn(&xe->drm, "%s: drmm_add_action_or_reset failed, err: %d\n", - __func__, err); -} |