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 | 74 |
1 files changed, 56 insertions, 18 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 c0b202223940..1154cd2b7c34 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c @@ -442,7 +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); } @@ -452,7 +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; @@ -464,6 +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, @@ -573,7 +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; @@ -581,20 +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)); } @@ -604,7 +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; @@ -677,6 +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, @@ -873,6 +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) |