diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c | 92 |
1 files changed, 58 insertions, 34 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c index f0dea54880af..1154cd2b7c34 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c @@ -176,27 +176,13 @@ static u32 get_residency(struct intel_gt *gt, enum intel_rc6_res_type id) return DIV_ROUND_CLOSEST_ULL(res, 1000); } -static u8 get_rc6_mask(struct intel_gt *gt) -{ - u8 mask = 0; - - if (HAS_RC6(gt->i915)) - mask |= BIT(0); - if (HAS_RC6p(gt->i915)) - mask |= BIT(1); - if (HAS_RC6pp(gt->i915)) - mask |= BIT(2); - - return mask; -} - static ssize_t rc6_enable_show(struct kobject *kobj, struct kobj_attribute *attr, char *buff) { struct intel_gt *gt = intel_gt_sysfs_get_drvdata(kobj, attr->attr.name); - return sysfs_emit(buff, "%x\n", get_rc6_mask(gt)); + return sysfs_emit(buff, "%x\n", gt->rc6.enabled); } static ssize_t rc6_enable_dev_show(struct device *dev, @@ -205,7 +191,7 @@ static ssize_t rc6_enable_dev_show(struct device *dev, { struct intel_gt *gt = intel_gt_sysfs_get_drvdata(&dev->kobj, attr->attr.name); - return sysfs_emit(buff, "%x\n", get_rc6_mask(gt)); + return sysfs_emit(buff, "%x\n", gt->rc6.enabled); } static u32 __rc6_residency_ms_show(struct intel_gt *gt) @@ -456,7 +442,7 @@ static ssize_t slpc_ignore_eff_freq_show(struct kobject *kobj, char *buff) { struct intel_gt *gt = intel_gt_sysfs_get_drvdata(kobj, attr->attr.name); - struct intel_guc_slpc *slpc = >->uc.guc.slpc; + struct intel_guc_slpc *slpc = >_to_guc(gt)->slpc; return sysfs_emit(buff, "%u\n", slpc->ignore_eff_freq); } @@ -466,7 +452,7 @@ static ssize_t slpc_ignore_eff_freq_store(struct kobject *kobj, const char *buff, size_t count) { struct intel_gt *gt = intel_gt_sysfs_get_drvdata(kobj, attr->attr.name); - struct intel_guc_slpc *slpc = >->uc.guc.slpc; + struct intel_guc_slpc *slpc = >_to_guc(gt)->slpc; int err; u32 val; @@ -478,6 +464,45 @@ static ssize_t slpc_ignore_eff_freq_store(struct kobject *kobj, return err ?: count; } +static ssize_t slpc_power_profile_show(struct kobject *kobj, + struct kobj_attribute *attr, + char *buff) +{ + struct intel_gt *gt = intel_gt_sysfs_get_drvdata(kobj, attr->attr.name); + struct intel_guc_slpc *slpc = >->uc.guc.slpc; + + switch (slpc->power_profile) { + case SLPC_POWER_PROFILES_BASE: + return sysfs_emit(buff, "[%s] %s\n", "base", "power_saving"); + case SLPC_POWER_PROFILES_POWER_SAVING: + return sysfs_emit(buff, "%s [%s]\n", "base", "power_saving"); + } + + return sysfs_emit(buff, "%u\n", slpc->power_profile); +} + +static ssize_t slpc_power_profile_store(struct kobject *kobj, + struct kobj_attribute *attr, + const char *buff, size_t count) +{ + struct intel_gt *gt = intel_gt_sysfs_get_drvdata(kobj, attr->attr.name); + struct intel_guc_slpc *slpc = >->uc.guc.slpc; + char power_saving[] = "power_saving"; + char base[] = "base"; + int err; + u32 val; + + if (!strncmp(buff, power_saving, sizeof(power_saving) - 1)) + val = SLPC_POWER_PROFILES_POWER_SAVING; + else if (!strncmp(buff, base, sizeof(base) - 1)) + val = SLPC_POWER_PROFILES_BASE; + else + return -EINVAL; + + err = intel_guc_slpc_set_power_profile(slpc, val); + return err ?: count; +} + struct intel_gt_bool_throttle_attr { struct attribute attr; ssize_t (*show)(struct kobject *kobj, struct kobj_attribute *attr, @@ -587,7 +612,6 @@ static ssize_t media_freq_factor_show(struct kobject *kobj, char *buff) { struct intel_gt *gt = intel_gt_sysfs_get_drvdata(kobj, attr->attr.name); - struct intel_guc_slpc *slpc = >->uc.guc.slpc; intel_wakeref_t wakeref; u32 mode; @@ -595,20 +619,12 @@ static ssize_t media_freq_factor_show(struct kobject *kobj, * Retrieve media_ratio_mode from GEN6_RPNSWREQ bit 13 set by * GuC. GEN6_RPNSWREQ:13 value 0 represents 1:2 and 1 represents 1:1 */ - if (IS_XEHPSDV(gt->i915) && - slpc->media_ratio_mode == SLPC_MEDIA_RATIO_MODE_DYNAMIC_CONTROL) { - /* - * For XEHPSDV dynamic mode GEN6_RPNSWREQ:13 does not contain - * the media_ratio_mode, just return the cached media ratio - */ - mode = slpc->media_ratio_mode; - } else { - with_intel_runtime_pm(gt->uncore->rpm, wakeref) - mode = intel_uncore_read(gt->uncore, GEN6_RPNSWREQ); - mode = REG_FIELD_GET(GEN12_MEDIA_FREQ_RATIO, mode) ? - SLPC_MEDIA_RATIO_MODE_FIXED_ONE_TO_ONE : - SLPC_MEDIA_RATIO_MODE_FIXED_ONE_TO_TWO; - } + with_intel_runtime_pm(gt->uncore->rpm, wakeref) + mode = intel_uncore_read(gt->uncore, GEN6_RPNSWREQ); + + mode = REG_FIELD_GET(GEN12_MEDIA_FREQ_RATIO, mode) ? + SLPC_MEDIA_RATIO_MODE_FIXED_ONE_TO_ONE : + SLPC_MEDIA_RATIO_MODE_FIXED_ONE_TO_TWO; return sysfs_emit(buff, "%u\n", media_ratio_mode_to_factor(mode)); } @@ -618,7 +634,7 @@ static ssize_t media_freq_factor_store(struct kobject *kobj, const char *buff, size_t count) { struct intel_gt *gt = intel_gt_sysfs_get_drvdata(kobj, attr->attr.name); - struct intel_guc_slpc *slpc = >->uc.guc.slpc; + struct intel_guc_slpc *slpc = >_to_guc(gt)->slpc; u32 factor, mode; int err; @@ -691,6 +707,7 @@ INTEL_GT_ATTR_RO(media_RP0_freq_mhz); INTEL_GT_ATTR_RO(media_RPn_freq_mhz); INTEL_GT_ATTR_RW(slpc_ignore_eff_freq); +INTEL_GT_ATTR_RW(slpc_power_profile); static const struct attribute *media_perf_power_attrs[] = { &attr_media_freq_factor.attr, @@ -887,6 +904,13 @@ void intel_gt_sysfs_pm_init(struct intel_gt *gt, struct kobject *kobj) gt_warn(gt, "failed to create ignore_eff_freq sysfs (%pe)", ERR_PTR(ret)); } + if (intel_uc_uses_guc_slpc(>->uc)) { + ret = sysfs_create_file(kobj, &attr_slpc_power_profile.attr); + if (ret) + gt_warn(gt, "failed to create slpc_power_profile sysfs (%pe)", + ERR_PTR(ret)); + } + if (i915_mmio_reg_valid(intel_gt_perf_limit_reasons_reg(gt))) { ret = sysfs_create_files(kobj, throttle_reason_attrs); if (ret) |