diff --git a/drivers/gpu/drm/xe/xe_hwmon.c b/drivers/gpu/drm/xe/xe_hwmon.c index 98e3ec08279e..aa11728e7e79 100644 --- a/drivers/gpu/drm/xe/xe_hwmon.c +++ b/drivers/gpu/drm/xe/xe_hwmon.c @@ -12,7 +12,6 @@ #include "regs/xe_mchbar_regs.h" #include "regs/xe_pcode_regs.h" #include "xe_device.h" -#include "xe_gt.h" #include "xe_hwmon.h" #include "xe_mmio.h" #include "xe_pcode.h" @@ -65,8 +64,8 @@ struct xe_hwmon_energy_info { struct xe_hwmon { /** @hwmon_dev: hwmon device for xe */ struct device *hwmon_dev; - /** @gt: primary gt */ - struct xe_gt *gt; + /** @xe: Xe device */ + struct xe_device *xe; /** @hwmon_lock: lock for rw attributes*/ struct mutex hwmon_lock; /** @scl_shift_power: pkg power unit */ @@ -82,7 +81,7 @@ struct xe_hwmon { static struct xe_reg xe_hwmon_get_reg(struct xe_hwmon *hwmon, enum xe_hwmon_reg hwmon_reg, int channel) { - struct xe_device *xe = gt_to_xe(hwmon->gt); + struct xe_device *xe = hwmon->xe; switch (hwmon_reg) { case REG_PKG_RAPL_LIMIT: @@ -148,8 +147,9 @@ static struct xe_reg xe_hwmon_get_reg(struct xe_hwmon *hwmon, enum xe_hwmon_reg static void xe_hwmon_power_max_read(struct xe_hwmon *hwmon, int channel, long *value) { u64 reg_val, min, max; - struct xe_device *xe = gt_to_xe(hwmon->gt); + struct xe_device *xe = hwmon->xe; struct xe_reg rapl_limit, pkg_power_sku; + struct xe_gt *mmio = xe_root_mmio_gt(xe); rapl_limit = xe_hwmon_get_reg(hwmon, REG_PKG_RAPL_LIMIT, channel); pkg_power_sku = xe_hwmon_get_reg(hwmon, REG_PKG_POWER_SKU, channel); @@ -166,7 +166,7 @@ static void xe_hwmon_power_max_read(struct xe_hwmon *hwmon, int channel, long *v mutex_lock(&hwmon->hwmon_lock); - reg_val = xe_mmio_read32(hwmon->gt, rapl_limit); + reg_val = xe_mmio_read32(mmio, rapl_limit); /* Check if PL1 limit is disabled */ if (!(reg_val & PKG_PWR_LIM_1_EN)) { *value = PL1_DISABLE; @@ -176,7 +176,7 @@ static void xe_hwmon_power_max_read(struct xe_hwmon *hwmon, int channel, long *v reg_val = REG_FIELD_GET(PKG_PWR_LIM_1, reg_val); *value = mul_u64_u32_shr(reg_val, SF_POWER, hwmon->scl_shift_power); - reg_val = xe_mmio_read64_2x32(hwmon->gt, pkg_power_sku); + reg_val = xe_mmio_read64_2x32(mmio, pkg_power_sku); min = REG_FIELD_GET(PKG_MIN_PWR, reg_val); min = mul_u64_u32_shr(min, SF_POWER, hwmon->scl_shift_power); max = REG_FIELD_GET(PKG_MAX_PWR, reg_val); @@ -190,6 +190,7 @@ unlock: static int xe_hwmon_power_max_write(struct xe_hwmon *hwmon, int channel, long value) { + struct xe_gt *mmio = xe_root_mmio_gt(hwmon->xe); int ret = 0; u64 reg_val; struct xe_reg rapl_limit; @@ -200,10 +201,10 @@ static int xe_hwmon_power_max_write(struct xe_hwmon *hwmon, int channel, long va /* Disable PL1 limit and verify, as limit cannot be disabled on all platforms */ if (value == PL1_DISABLE) { - reg_val = xe_mmio_rmw32(hwmon->gt, rapl_limit, PKG_PWR_LIM_1_EN, 0); - reg_val = xe_mmio_read32(hwmon->gt, rapl_limit); + reg_val = xe_mmio_rmw32(mmio, rapl_limit, PKG_PWR_LIM_1_EN, 0); + reg_val = xe_mmio_read32(mmio, rapl_limit); if (reg_val & PKG_PWR_LIM_1_EN) { - drm_warn(>_to_xe(hwmon->gt)->drm, "PL1 disable is not supported!\n"); + drm_warn(&hwmon->xe->drm, "PL1 disable is not supported!\n"); ret = -EOPNOTSUPP; } goto unlock; @@ -212,7 +213,7 @@ static int xe_hwmon_power_max_write(struct xe_hwmon *hwmon, int channel, long va /* Computation in 64-bits to avoid overflow. Round to nearest. */ reg_val = DIV_ROUND_CLOSEST_ULL((u64)value << hwmon->scl_shift_power, SF_POWER); reg_val = PKG_PWR_LIM_1_EN | REG_FIELD_PREP(PKG_PWR_LIM_1, reg_val); - reg_val = xe_mmio_rmw32(hwmon->gt, rapl_limit, PKG_PWR_LIM_1_EN | PKG_PWR_LIM_1, reg_val); + reg_val = xe_mmio_rmw32(mmio, rapl_limit, PKG_PWR_LIM_1_EN | PKG_PWR_LIM_1, reg_val); unlock: mutex_unlock(&hwmon->hwmon_lock); @@ -221,6 +222,7 @@ unlock: static void xe_hwmon_power_rated_max_read(struct xe_hwmon *hwmon, int channel, long *value) { + struct xe_gt *mmio = xe_root_mmio_gt(hwmon->xe); struct xe_reg reg = xe_hwmon_get_reg(hwmon, REG_PKG_POWER_SKU, channel); u64 reg_val; @@ -229,7 +231,7 @@ static void xe_hwmon_power_rated_max_read(struct xe_hwmon *hwmon, int channel, l * for this register can be skipped. * See xe_hwmon_power_is_visible. */ - reg_val = xe_mmio_read32(hwmon->gt, reg); + reg_val = xe_mmio_read32(mmio, reg); reg_val = REG_FIELD_GET(PKG_TDP, reg_val); *value = mul_u64_u32_shr(reg_val, SF_POWER, hwmon->scl_shift_power); } @@ -257,11 +259,12 @@ static void xe_hwmon_power_rated_max_read(struct xe_hwmon *hwmon, int channel, l static void xe_hwmon_energy_get(struct xe_hwmon *hwmon, int channel, long *energy) { + struct xe_gt *mmio = xe_root_mmio_gt(hwmon->xe); struct xe_hwmon_energy_info *ei = &hwmon->ei[channel]; u64 reg_val; - reg_val = xe_mmio_read32(hwmon->gt, xe_hwmon_get_reg(hwmon, REG_PKG_ENERGY_STATUS, - channel)); + reg_val = xe_mmio_read32(mmio, xe_hwmon_get_reg(hwmon, REG_PKG_ENERGY_STATUS, + channel)); if (reg_val >= ei->reg_val_prev) ei->accum_energy += reg_val - ei->reg_val_prev; @@ -279,19 +282,20 @@ xe_hwmon_power_max_interval_show(struct device *dev, struct device_attribute *at char *buf) { struct xe_hwmon *hwmon = dev_get_drvdata(dev); + struct xe_gt *mmio = xe_root_mmio_gt(hwmon->xe); u32 x, y, x_w = 2; /* 2 bits */ u64 r, tau4, out; int sensor_index = to_sensor_dev_attr(attr)->index; - xe_pm_runtime_get(gt_to_xe(hwmon->gt)); + xe_pm_runtime_get(hwmon->xe); mutex_lock(&hwmon->hwmon_lock); - r = xe_mmio_read32(hwmon->gt, xe_hwmon_get_reg(hwmon, REG_PKG_RAPL_LIMIT, sensor_index)); + r = xe_mmio_read32(mmio, xe_hwmon_get_reg(hwmon, REG_PKG_RAPL_LIMIT, sensor_index)); mutex_unlock(&hwmon->hwmon_lock); - xe_pm_runtime_put(gt_to_xe(hwmon->gt)); + xe_pm_runtime_put(hwmon->xe); x = REG_FIELD_GET(PKG_PWR_LIM_1_TIME_X, r); y = REG_FIELD_GET(PKG_PWR_LIM_1_TIME_Y, r); @@ -319,6 +323,7 @@ xe_hwmon_power_max_interval_store(struct device *dev, struct device_attribute *a const char *buf, size_t count) { struct xe_hwmon *hwmon = dev_get_drvdata(dev); + struct xe_gt *mmio = xe_root_mmio_gt(hwmon->xe); u32 x, y, rxy, x_w = 2; /* 2 bits */ u64 tau4, r, max_win; unsigned long val; @@ -371,16 +376,16 @@ xe_hwmon_power_max_interval_store(struct device *dev, struct device_attribute *a rxy = REG_FIELD_PREP(PKG_PWR_LIM_1_TIME_X, x) | REG_FIELD_PREP(PKG_PWR_LIM_1_TIME_Y, y); - xe_pm_runtime_get(gt_to_xe(hwmon->gt)); + xe_pm_runtime_get(hwmon->xe); mutex_lock(&hwmon->hwmon_lock); - r = xe_mmio_rmw32(hwmon->gt, xe_hwmon_get_reg(hwmon, REG_PKG_RAPL_LIMIT, sensor_index), + r = xe_mmio_rmw32(mmio, xe_hwmon_get_reg(hwmon, REG_PKG_RAPL_LIMIT, sensor_index), PKG_PWR_LIM_1_TIME, rxy); mutex_unlock(&hwmon->hwmon_lock); - xe_pm_runtime_put(gt_to_xe(hwmon->gt)); + xe_pm_runtime_put(hwmon->xe); return count; } @@ -406,11 +411,11 @@ static umode_t xe_hwmon_attributes_visible(struct kobject *kobj, struct xe_hwmon *hwmon = dev_get_drvdata(dev); int ret = 0; - xe_pm_runtime_get(gt_to_xe(hwmon->gt)); + xe_pm_runtime_get(hwmon->xe); ret = xe_reg_is_valid(xe_hwmon_get_reg(hwmon, REG_PKG_RAPL_LIMIT, index)) ? attr->mode : 0; - xe_pm_runtime_put(gt_to_xe(hwmon->gt)); + xe_pm_runtime_put(hwmon->xe); return ret; } @@ -435,20 +440,24 @@ static const struct hwmon_channel_info * const hwmon_info[] = { }; /* I1 is exposed as power_crit or as curr_crit depending on bit 31 */ -static int xe_hwmon_pcode_read_i1(struct xe_gt *gt, u32 *uval) +static int xe_hwmon_pcode_read_i1(const struct xe_hwmon *hwmon, u32 *uval) { + struct xe_tile *root_tile = xe_device_get_root_tile(hwmon->xe); + /* Avoid Illegal Subcommand error */ - if (gt_to_xe(gt)->info.platform == XE_DG2) + if (hwmon->xe->info.platform == XE_DG2) return -ENXIO; - return xe_pcode_read(gt_to_tile(gt), PCODE_MBOX(PCODE_POWER_SETUP, + return xe_pcode_read(root_tile, PCODE_MBOX(PCODE_POWER_SETUP, POWER_SETUP_SUBCOMMAND_READ_I1, 0), uval, NULL); } -static int xe_hwmon_pcode_write_i1(struct xe_gt *gt, u32 uval) +static int xe_hwmon_pcode_write_i1(const struct xe_hwmon *hwmon, u32 uval) { - return xe_pcode_write(gt_to_tile(gt), PCODE_MBOX(PCODE_POWER_SETUP, + struct xe_tile *root_tile = xe_device_get_root_tile(hwmon->xe); + + return xe_pcode_write(root_tile, PCODE_MBOX(PCODE_POWER_SETUP, POWER_SETUP_SUBCOMMAND_WRITE_I1, 0), (uval & POWER_SETUP_I1_DATA_MASK)); } @@ -461,7 +470,7 @@ static int xe_hwmon_power_curr_crit_read(struct xe_hwmon *hwmon, int channel, mutex_lock(&hwmon->hwmon_lock); - ret = xe_hwmon_pcode_read_i1(hwmon->gt, &uval); + ret = xe_hwmon_pcode_read_i1(hwmon, &uval); if (ret) goto unlock; @@ -481,7 +490,7 @@ static int xe_hwmon_power_curr_crit_write(struct xe_hwmon *hwmon, int channel, mutex_lock(&hwmon->hwmon_lock); uval = DIV_ROUND_CLOSEST_ULL(value << POWER_SETUP_I1_SHIFT, scale_factor); - ret = xe_hwmon_pcode_write_i1(hwmon->gt, uval); + ret = xe_hwmon_pcode_write_i1(hwmon, uval); mutex_unlock(&hwmon->hwmon_lock); return ret; @@ -489,9 +498,10 @@ static int xe_hwmon_power_curr_crit_write(struct xe_hwmon *hwmon, int channel, static void xe_hwmon_get_voltage(struct xe_hwmon *hwmon, int channel, long *value) { + struct xe_gt *mmio = xe_root_mmio_gt(hwmon->xe); u64 reg_val; - reg_val = xe_mmio_read32(hwmon->gt, xe_hwmon_get_reg(hwmon, REG_GT_PERF_STATUS, channel)); + reg_val = xe_mmio_read32(mmio, xe_hwmon_get_reg(hwmon, REG_GT_PERF_STATUS, channel)); /* HW register value in units of 2.5 millivolt */ *value = DIV_ROUND_CLOSEST(REG_FIELD_GET(VOLTAGE_MASK, reg_val) * 2500, SF_VOLTAGE); } @@ -510,7 +520,7 @@ xe_hwmon_power_is_visible(struct xe_hwmon *hwmon, u32 attr, int channel) channel)) ? 0444 : 0; case hwmon_power_crit: if (channel == CHANNEL_PKG) - return (xe_hwmon_pcode_read_i1(hwmon->gt, &uval) || + return (xe_hwmon_pcode_read_i1(hwmon, &uval) || !(uval & POWER_SETUP_I1_WATTS)) ? 0 : 0644; break; case hwmon_power_label: @@ -563,10 +573,10 @@ xe_hwmon_curr_is_visible(const struct xe_hwmon *hwmon, u32 attr, int channel) switch (attr) { case hwmon_curr_crit: - return (xe_hwmon_pcode_read_i1(hwmon->gt, &uval) || + return (xe_hwmon_pcode_read_i1(hwmon, &uval) || (uval & POWER_SETUP_I1_WATTS)) ? 0 : 0644; case hwmon_curr_label: - return (xe_hwmon_pcode_read_i1(hwmon->gt, &uval) || + return (xe_hwmon_pcode_read_i1(hwmon, &uval) || (uval & POWER_SETUP_I1_WATTS)) ? 0 : 0444; break; default: @@ -654,7 +664,7 @@ xe_hwmon_is_visible(const void *drvdata, enum hwmon_sensor_types type, struct xe_hwmon *hwmon = (struct xe_hwmon *)drvdata; int ret; - xe_pm_runtime_get(gt_to_xe(hwmon->gt)); + xe_pm_runtime_get(hwmon->xe); switch (type) { case hwmon_power: @@ -674,7 +684,7 @@ xe_hwmon_is_visible(const void *drvdata, enum hwmon_sensor_types type, break; } - xe_pm_runtime_put(gt_to_xe(hwmon->gt)); + xe_pm_runtime_put(hwmon->xe); return ret; } @@ -686,7 +696,7 @@ xe_hwmon_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, struct xe_hwmon *hwmon = dev_get_drvdata(dev); int ret; - xe_pm_runtime_get(gt_to_xe(hwmon->gt)); + xe_pm_runtime_get(hwmon->xe); switch (type) { case hwmon_power: @@ -706,7 +716,7 @@ xe_hwmon_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, break; } - xe_pm_runtime_put(gt_to_xe(hwmon->gt)); + xe_pm_runtime_put(hwmon->xe); return ret; } @@ -718,7 +728,7 @@ xe_hwmon_write(struct device *dev, enum hwmon_sensor_types type, u32 attr, struct xe_hwmon *hwmon = dev_get_drvdata(dev); int ret; - xe_pm_runtime_get(gt_to_xe(hwmon->gt)); + xe_pm_runtime_get(hwmon->xe); switch (type) { case hwmon_power: @@ -732,7 +742,7 @@ xe_hwmon_write(struct device *dev, enum hwmon_sensor_types type, u32 attr, break; } - xe_pm_runtime_put(gt_to_xe(hwmon->gt)); + xe_pm_runtime_put(hwmon->xe); return ret; } @@ -771,6 +781,7 @@ static const struct hwmon_chip_info hwmon_chip_info = { static void xe_hwmon_get_preregistration_info(struct xe_device *xe) { + struct xe_gt *mmio = xe_root_mmio_gt(xe); struct xe_hwmon *hwmon = xe->hwmon; long energy; u64 val_sku_unit = 0; @@ -783,7 +794,7 @@ xe_hwmon_get_preregistration_info(struct xe_device *xe) */ pkg_power_sku_unit = xe_hwmon_get_reg(hwmon, REG_PKG_POWER_SKU_UNIT, 0); if (xe_reg_is_valid(pkg_power_sku_unit)) { - val_sku_unit = xe_mmio_read32(hwmon->gt, pkg_power_sku_unit); + val_sku_unit = xe_mmio_read32(mmio, pkg_power_sku_unit); hwmon->scl_shift_power = REG_FIELD_GET(PKG_PWR_UNIT, val_sku_unit); hwmon->scl_shift_energy = REG_FIELD_GET(PKG_ENERGY_UNIT, val_sku_unit); hwmon->scl_shift_time = REG_FIELD_GET(PKG_TIME_UNIT, val_sku_unit); @@ -828,8 +839,8 @@ void xe_hwmon_register(struct xe_device *xe) if (devm_add_action_or_reset(dev, xe_hwmon_mutex_destroy, hwmon)) return; - /* primary GT to access device level properties */ - hwmon->gt = xe->tiles[0].primary_gt; + /* There's only one instance of hwmon per device */ + hwmon->xe = xe; xe_hwmon_get_preregistration_info(xe);