diff --git a/drivers/gpu/drm/i915/gt/sysfs_gt.h b/drivers/gpu/drm/i915/gt/sysfs_gt.h
new file mode 100644
index 0000000000000..89b5eeea79c62
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/sysfs_gt.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef __SYSFS_GT_H__
+#define __SYSFS_GT_H__
+
+#include <linux/ctype.h>
+#include <linux/kobject.h>
+
+#include "i915_gem.h" /* GEM_BUG_ON() */
+
+struct intel_gt;
+
+struct kobj_gt {
+ struct kobject base;
+ struct intel_gt *gt;
+};
+
+static inline bool is_object_gt(struct kobject *kobj)
+{
+ bool b = !strncmp(kobj->name, "gt", 2);
+
+ GEM_BUG_ON(b && !isdigit(kobj->name[2]));
+
+ return b;
+}
+
+struct kobject *
+intel_gt_create_kobj(struct intel_gt *gt,
+ struct kobject *dir,
+ const char *name);
+
+static inline struct intel_gt *kobj_to_gt(struct kobject *kobj)
+{
+ return container_of(kobj, struct kobj_gt, base)->gt;
+}
+
+void intel_gt_sysfs_register(struct intel_gt *gt);
+void intel_gt_sysfs_unregister(struct intel_gt *gt);
+struct intel_gt *intel_gt_sysfs_get_drvdata(struct device *dev,
+ const char *name);
+
+#endif /* SYSFS_GT_H */
diff --git a/drivers/gpu/drm/i915/gt/sysfs_gt_pm.c b/drivers/gpu/drm/i915/gt/sysfs_gt_pm.c
new file mode 100644
index 0000000000000..b7712de3b9c45
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/sysfs_gt_pm.c
@@ -0,0 +1,394 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include <drm/drm_device.h>
+#include <linux/sysfs.h>
+#include <linux/printk.h>
+
+#include "i915_drv.h"
+#include "intel_gt.h"
+#include "intel_rc6.h"
+#include "intel_rps.h"
+#include "sysfs_gt.h"
+#include "sysfs_gt_pm.h"
+
+#ifdef CONFIG_PM
+static u32 get_residency(struct intel_gt *gt, i915_reg_t reg)
+{
+ intel_wakeref_t wakeref;
+ u64 res = 0;
+
+ with_intel_runtime_pm(gt->uncore->rpm, wakeref)
+ res = intel_rc6_residency_us(>->rc6, reg);
+
+ return DIV_ROUND_CLOSEST_ULL(res, 1000);
+}
+
+static ssize_t rc6_enable_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buff)
+{
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ 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 scnprintf(buff, PAGE_SIZE, "%x\n", mask);
+}
+
+static ssize_t rc6_residency_ms_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buff)
+{
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ u32 rc6_residency = get_residency(gt, GEN6_GT_GFX_RC6);
+
+ return scnprintf(buff, PAGE_SIZE, "%u\n", rc6_residency);
+}
+
+static ssize_t rc6p_residency_ms_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buff)
+{
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ u32 rc6p_residency = get_residency(gt, GEN6_GT_GFX_RC6p);
+
+ return scnprintf(buff, PAGE_SIZE, "%u\n", rc6p_residency);
+}
+
+static ssize_t rc6pp_residency_ms_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buff)
+{
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ u32 rc6pp_residency = get_residency(gt, GEN6_GT_GFX_RC6pp);
+
+ return scnprintf(buff, PAGE_SIZE, "%u\n", rc6pp_residency);
+}
+
+static ssize_t media_rc6_residency_ms_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buff)
+{
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ u32 rc6_residency = get_residency(gt, VLV_GT_MEDIA_RC6);
+
+ return scnprintf(buff, PAGE_SIZE, "%u\n", rc6_residency);
+}
+
+static DEVICE_ATTR_RO(rc6_enable);
+static DEVICE_ATTR_RO(rc6_residency_ms);
+static DEVICE_ATTR_RO(rc6p_residency_ms);
+static DEVICE_ATTR_RO(rc6pp_residency_ms);
+static DEVICE_ATTR_RO(media_rc6_residency_ms);
+
+static struct attribute *rc6_attrs[] = {
+ &dev_attr_rc6_enable.attr,
+ &dev_attr_rc6_residency_ms.attr,
+ NULL
+};
+
+static struct attribute *rc6p_attrs[] = {
+ &dev_attr_rc6p_residency_ms.attr,
+ &dev_attr_rc6pp_residency_ms.attr,
+ NULL
+};
+
+static struct attribute *media_rc6_attrs[] = {
+ &dev_attr_media_rc6_residency_ms.attr,
+ NULL
+};
+
+static const struct attribute_group rc6_attr_group[] = {
+ { .name = power_group_name, .attrs = rc6_attrs },
+ { .attrs = rc6_attrs }
+};
+
+static const struct attribute_group rc6p_attr_group[] = {
+ { .name = power_group_name, .attrs = rc6p_attrs },
+ { .attrs = rc6p_attrs }
+};
+
+static const struct attribute_group media_rc6_attr_group[] = {
+ { .name = power_group_name, .attrs = media_rc6_attrs },
+ { .attrs = media_rc6_attrs }
+};
+
+static int __intel_gt_sysfs_create_group(struct kobject *kobj,
+ const struct attribute_group *grp)
+{
+ int i = is_object_gt(kobj);
+
+ return i ? sysfs_create_group(kobj, &grp[i]) :
+ sysfs_merge_group(kobj, &grp[i]);
+}
+
+static void intel_sysfs_rc6_init(struct intel_gt *gt, struct kobject *kobj)
+{
+ int ret;
+
+ if (!HAS_RC6(gt->i915))
+ return;
+
+ ret = __intel_gt_sysfs_create_group(kobj, rc6_attr_group);
+ if (ret)
+ drm_err(>->i915->drm,
+ "failed to create gt%u RC6 sysfs files\n", gt->info.id);
+
+ if (HAS_RC6p(gt->i915)) {
+ ret = __intel_gt_sysfs_create_group(kobj, rc6p_attr_group);
+ if (ret)
+ drm_err(>->i915->drm,
+ "failed to create gt%u RC6p sysfs files\n",
+ gt->info.id);
+ }
+
+ if (IS_VALLEYVIEW(gt->i915) || IS_CHERRYVIEW(gt->i915)) {
+ ret = __intel_gt_sysfs_create_group(kobj, media_rc6_attr_group);
+ if (ret)
+ drm_err(>->i915->drm,
+ "failed to create media %u RC6 sysfs files\n",
+ gt->info.id);
+ }
+}
+#else
+static void intel_sysfs_rc6_init(struct intel_gt *gt, struct kobject *kobj)
+{
+}
+#endif /* CONFIG_PM */
+
+static ssize_t act_freq_mhz_show(struct device *dev,
+ struct device_attribute *attr, char *buff)
+{
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+
+ return scnprintf(buff, PAGE_SIZE, "%d\n",
+ intel_rps_read_actual_frequency(>->rps));
+}
+
+static ssize_t cur_freq_mhz_show(struct device *dev,
+ struct device_attribute *attr, char *buff)
+{
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ struct intel_rps *rps = >->rps;
+
+ return scnprintf(buff, PAGE_SIZE, "%d\n",
+ intel_rps_get_requested_frequency(rps));
+}
+
+static ssize_t boost_freq_mhz_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buff)
+{
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ struct intel_rps *rps = >->rps;
+
+ return scnprintf(buff, PAGE_SIZE, "%d\n",
+ intel_gpu_freq(rps, rps->boost_freq));
+}
+
+static ssize_t boost_freq_mhz_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buff, size_t count)
+{
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ struct intel_rps *rps = >->rps;
+ bool boost = false;
+ ssize_t ret;
+ u32 val;
+
+ ret = kstrtou32(buff, 0, &val);
+ if (ret)
+ return ret;
+
+ /* Validate against (static) hardware limits */
+ val = intel_freq_opcode(rps, val);
+ if (val < rps->min_freq || val > rps->max_freq)
+ return -EINVAL;
+
+ mutex_lock(&rps->lock);
+ if (val != rps->boost_freq) {
+ rps->boost_freq = val;
+ boost = atomic_read(&rps->num_waiters);
+ }
+ mutex_unlock(&rps->lock);
+ if (boost)
+ schedule_work(&rps->work);
+
+ return count;
+}
+
+static ssize_t vlv_rpe_freq_mhz_show(struct device *dev,
+ struct device_attribute *attr, char *buff)
+{
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ struct intel_rps *rps = >->rps;
+
+ return scnprintf(buff, PAGE_SIZE, "%d\n",
+ intel_gpu_freq(rps, rps->efficient_freq));
+}
+
+static ssize_t max_freq_mhz_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buff)
+{
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ struct intel_rps *rps = >->rps;
+
+ return sysfs_emit(buff, "%d\n", intel_rps_get_max_frequency(rps));
+}
+
+static ssize_t max_freq_mhz_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buff, size_t count)
+{
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ struct intel_rps *rps = >->rps;
+ ssize_t ret;
+ u32 val;
+
+ ret = kstrtou32(buff, 0, &val);
+ if (ret)
+ return ret;
+
+ ret = intel_rps_set_max_frequency(rps, val);
+
+ return ret ?: count;
+}
+
+static ssize_t min_freq_mhz_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buff)
+{
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ struct intel_rps *rps = >->rps;
+
+ return sysfs_emit(buff, "%d\n", intel_rps_get_min_frequency(rps));
+}
+
+static ssize_t min_freq_mhz_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buff, size_t count)
+{
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ struct intel_rps *rps = >->rps;
+ ssize_t ret;
+ u32 val;
+
+ ret = kstrtou32(buff, 0, &val);
+ if (ret)
+ return ret;
+
+ ret = intel_rps_set_min_frequency(rps, val);
+
+ return ret ?: count;
+}
+
+#define INTEL_GT_RPS_SYSFS_ATTR(_name, _mode, _show, _store) \
+ struct device_attribute dev_attr_gt_##_name = __ATTR(gt_##_name, _mode, _show, _store); \
+ struct device_attribute dev_attr_rps_##_name = __ATTR(rps_##_name, _mode, _show, _store)
+
+#define INTEL_GT_RPS_SYSFS_ATTR_RO(_name) \
+ INTEL_GT_RPS_SYSFS_ATTR(_name, 0444, _name##_show, NULL)
+#define INTEL_GT_RPS_SYSFS_ATTR_RW(_name) \
+ INTEL_GT_RPS_SYSFS_ATTR(_name, 0644, _name##_show, _name##_store)
+
+static INTEL_GT_RPS_SYSFS_ATTR_RO(act_freq_mhz);
+static INTEL_GT_RPS_SYSFS_ATTR_RO(cur_freq_mhz);
+static INTEL_GT_RPS_SYSFS_ATTR_RW(boost_freq_mhz);
+static INTEL_GT_RPS_SYSFS_ATTR_RW(max_freq_mhz);
+static INTEL_GT_RPS_SYSFS_ATTR_RW(min_freq_mhz);
+
+static DEVICE_ATTR_RO(vlv_rpe_freq_mhz);
+
+static ssize_t rps_rp_mhz_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buff);
+
+static INTEL_GT_RPS_SYSFS_ATTR(RP0_freq_mhz, 0444, rps_rp_mhz_show, NULL);
+static INTEL_GT_RPS_SYSFS_ATTR(RP1_freq_mhz, 0444, rps_rp_mhz_show, NULL);
+static INTEL_GT_RPS_SYSFS_ATTR(RPn_freq_mhz, 0444, rps_rp_mhz_show, NULL);
+
+
+#define GEN6_ATTR(s) { \
+ &dev_attr_##s##_act_freq_mhz.attr, \
+ &dev_attr_##s##_cur_freq_mhz.attr, \
+ &dev_attr_##s##_boost_freq_mhz.attr, \
+ &dev_attr_##s##_max_freq_mhz.attr, \
+ &dev_attr_##s##_min_freq_mhz.attr, \
+ &dev_attr_##s##_RP0_freq_mhz.attr, \
+ &dev_attr_##s##_RP1_freq_mhz.attr, \
+ &dev_attr_##s##_RPn_freq_mhz.attr, \
+ NULL, \
+ }
+
+#define GEN6_RPS_ATTR GEN6_ATTR(rps)
+#define GEN6_GT_ATTR GEN6_ATTR(gt)
+
+/* For now we have a static number of RP states */
+static ssize_t rps_rp_mhz_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buff)
+{
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ struct intel_rps *rps = >->rps;
+ u32 val;
+
+ if (attr == &dev_attr_gt_RP0_freq_mhz ||
+ attr == &dev_attr_rps_RP0_freq_mhz) {
+ val = intel_gpu_freq(rps, rps->rp0_freq);
+ } else if (attr == &dev_attr_gt_RP1_freq_mhz ||
+ attr == &dev_attr_rps_RP1_freq_mhz) {
+ val = intel_gpu_freq(rps, rps->rp1_freq);
+ } else if (attr == &dev_attr_gt_RPn_freq_mhz ||
+ attr == &dev_attr_rps_RPn_freq_mhz) {
+ val = intel_gpu_freq(rps, rps->min_freq);
+ } else {
+ GEM_WARN_ON(1);
+ return -ENODEV;
+ }
+
+ return scnprintf(buff, PAGE_SIZE, "%d\n", val);
+}
+
+static const struct attribute * const gen6_rps_attrs[] = GEN6_RPS_ATTR;
+static const struct attribute * const gen6_gt_attrs[] = GEN6_GT_ATTR;
+
+static int intel_sysfs_rps_init(struct intel_gt *gt, struct kobject *kobj,
+ const struct attribute * const *attrs)
+{
+ int ret;
+
+ if (GRAPHICS_VER(gt->i915) < 6)
+ return 0;
+
+ ret = sysfs_create_files(kobj, attrs);
+ if (ret)
+ return ret;
+
+ if (IS_VALLEYVIEW(gt->i915) || IS_CHERRYVIEW(gt->i915))
+ ret = sysfs_create_file(kobj, &dev_attr_vlv_rpe_freq_mhz.attr);
+
+ return ret;
+}
+
+void intel_gt_sysfs_pm_init(struct intel_gt *gt, struct kobject *kobj)
+{
+ int ret;
+
+ intel_sysfs_rc6_init(gt, kobj);
+
+ ret = is_object_gt(kobj) ?
+ intel_sysfs_rps_init(gt, kobj, gen6_rps_attrs) :
+ intel_sysfs_rps_init(gt, kobj, gen6_gt_attrs);
+ if (ret)
+ drm_err(>->i915->drm,
+ "failed to create gt%u RPS sysfs files", gt->info.id);
+}
diff --git a/drivers/gpu/drm/i915/gt/sysfs_gt_pm.h b/drivers/gpu/drm/i915/gt/sysfs_gt_pm.h
new file mode 100644
index 0000000000000..18c60d929e6d6
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/sysfs_gt_pm.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef __SYSFS_GT_PM_H__
+#define __SYSFS_GT_PM_H__
+
+#include <linux/kobject.h>
+
+#include "intel_gt_types.h"
+
+void intel_gt_sysfs_pm_init(struct intel_gt *gt, struct kobject *kobj);
+void intel_gt_sysfs_pm_remove(struct intel_gt *gt, struct kobject *kobj);
+
+#endif /* SYSFS_RC6_H */
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 97920340b5e08..4b54275207d8f 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1201,6 +1201,8 @@ struct drm_i915_private {
#define I915_MAX_GTS 4
struct intel_gt *gts[I915_MAX_GTS];
+ struct kobject *sysfs_gt;
+
struct {
struct i915_gem_contexts {
spinlock_t lock; /* locks list */
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 5d13c19e14aaa..94df33ceeb1c4 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -9304,6 +9304,7 @@ enum {
#define GEN6_OFFSET(x) ((x) << 19)
#define GEN6_AGGRESSIVE_TURBO (0 << 15)
#define GEN9_SW_REQ_UNSLICE_RATIO_SHIFT 23
+#define GEN12_SW_REQ_UNSLICE_RATIO_SHIFT 23
#define GEN6_RC_VIDEO_FREQ _MMIO(0xA00C)
#define GEN6_RC_CONTROL _MMIO(0xA090)
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index cdf0e9c6fd73e..6beae8a39e2d3 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -39,113 +39,12 @@
#include "intel_pm.h"
#include "intel_sideband.h"
-static inline struct drm_i915_private *kdev_minor_to_i915(struct device *kdev)
+struct drm_i915_private *kdev_minor_to_i915(struct device *kdev)
{
struct drm_minor *minor = dev_get_drvdata(kdev);
return to_i915(minor->dev);
}
-#ifdef CONFIG_PM
-static u32 calc_residency(struct drm_i915_private *dev_priv,
- i915_reg_t reg)
-{
- intel_wakeref_t wakeref;
- u64 res = 0;
-
- with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref)
- res = intel_rc6_residency_us(&dev_priv->gt.rc6, reg);
-
- return DIV_ROUND_CLOSEST_ULL(res, 1000);
-}
-
-static ssize_t rc6_enable_show(struct device *kdev,
- struct device_attribute *attr, char *buf)
-{
- struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
- unsigned int mask;
-
- mask = 0;
- if (HAS_RC6(dev_priv))
- mask |= BIT(0);
- if (HAS_RC6p(dev_priv))
- mask |= BIT(1);
- if (HAS_RC6pp(dev_priv))
- mask |= BIT(2);
-
- return sysfs_emit(buf, "%x\n", mask);
-}
-
-static ssize_t rc6_residency_ms_show(struct device *kdev,
- struct device_attribute *attr, char *buf)
-{
- struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
- u32 rc6_residency = calc_residency(dev_priv, GEN6_GT_GFX_RC6);
- return sysfs_emit(buf, "%u\n", rc6_residency);
-}
-
-static ssize_t rc6p_residency_ms_show(struct device *kdev,
- struct device_attribute *attr, char *buf)
-{
- struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
- u32 rc6p_residency = calc_residency(dev_priv, GEN6_GT_GFX_RC6p);
- return sysfs_emit(buf, "%u\n", rc6p_residency);
-}
-
-static ssize_t rc6pp_residency_ms_show(struct device *kdev,
- struct device_attribute *attr, char *buf)
-{
- struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
- u32 rc6pp_residency = calc_residency(dev_priv, GEN6_GT_GFX_RC6pp);
- return sysfs_emit(buf, "%u\n", rc6pp_residency);
-}
-
-static ssize_t media_rc6_residency_ms_show(struct device *kdev,
- struct device_attribute *attr, char *buf)
-{
- struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
- u32 rc6_residency = calc_residency(dev_priv, VLV_GT_MEDIA_RC6);
- return sysfs_emit(buf, "%u\n", rc6_residency);
-}
-
-static DEVICE_ATTR_RO(rc6_enable);
-static DEVICE_ATTR_RO(rc6_residency_ms);
-static DEVICE_ATTR_RO(rc6p_residency_ms);
-static DEVICE_ATTR_RO(rc6pp_residency_ms);
-static DEVICE_ATTR_RO(media_rc6_residency_ms);
-
-static struct attribute *rc6_attrs[] = {
- &dev_attr_rc6_enable.attr,
- &dev_attr_rc6_residency_ms.attr,
- NULL
-};
-
-static const struct attribute_group rc6_attr_group = {
- .name = power_group_name,
- .attrs = rc6_attrs
-};
-
-static struct attribute *rc6p_attrs[] = {
- &dev_attr_rc6p_residency_ms.attr,
- &dev_attr_rc6pp_residency_ms.attr,
- NULL
-};
-
-static const struct attribute_group rc6p_attr_group = {
- .name = power_group_name,
- .attrs = rc6p_attrs
-};
-
-static struct attribute *media_rc6_attrs[] = {
- &dev_attr_media_rc6_residency_ms.attr,
- NULL
-};
-
-static const struct attribute_group media_rc6_attr_group = {
- .name = power_group_name,
- .attrs = media_rc6_attrs
-};
-#endif
-
static int l3_access_valid(struct drm_i915_private *i915, loff_t offset)
{
if (!HAS_L3_DPF(i915))
@@ -257,184 +156,6 @@ static const struct bin_attribute dpf_attrs_1 = {
.private = (void *)1
};
-static ssize_t gt_act_freq_mhz_show(struct device *kdev,
- struct device_attribute *attr, char *buf)
-{
- struct drm_i915_private *i915 = kdev_minor_to_i915(kdev);
- struct intel_rps *rps = &i915->gt.rps;
-
- return sysfs_emit(buf, "%d\n", intel_rps_read_actual_frequency(rps));
-}
-
-static ssize_t gt_cur_freq_mhz_show(struct device *kdev,
- struct device_attribute *attr, char *buf)
-{
- struct drm_i915_private *i915 = kdev_minor_to_i915(kdev);
- struct intel_rps *rps = &i915->gt.rps;
-
- return sysfs_emit(buf, "%d\n", intel_rps_get_requested_frequency(rps));
-}
-
-static ssize_t gt_boost_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- struct drm_i915_private *i915 = kdev_minor_to_i915(kdev);
- struct intel_rps *rps = &i915->gt.rps;
-
- return sysfs_emit(buf, "%d\n", intel_gpu_freq(rps, rps->boost_freq));
-}
-
-static ssize_t gt_boost_freq_mhz_store(struct device *kdev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
- struct intel_rps *rps = &dev_priv->gt.rps;
- bool boost = false;
- ssize_t ret;
- u32 val;
-
- ret = kstrtou32(buf, 0, &val);
- if (ret)
- return ret;
-
- /* Validate against (static) hardware limits */
- val = intel_freq_opcode(rps, val);
- if (val < rps->min_freq || val > rps->max_freq)
- return -EINVAL;
-
- mutex_lock(&rps->lock);
- if (val != rps->boost_freq) {
- rps->boost_freq = val;
- boost = atomic_read(&rps->num_waiters);
- }
- mutex_unlock(&rps->lock);
- if (boost)
- schedule_work(&rps->work);
-
- return count;
-}
-
-static ssize_t vlv_rpe_freq_mhz_show(struct device *kdev,
- struct device_attribute *attr, char *buf)
-{
- struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
- struct intel_rps *rps = &dev_priv->gt.rps;
-
- return sysfs_emit(buf, "%d\n", intel_gpu_freq(rps, rps->efficient_freq));
-}
-
-static ssize_t gt_max_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
- struct intel_gt *gt = &dev_priv->gt;
- struct intel_rps *rps = >->rps;
-
- return sysfs_emit(buf, "%d\n", intel_rps_get_max_frequency(rps));
-}
-
-static ssize_t gt_max_freq_mhz_store(struct device *kdev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
- struct intel_gt *gt = &dev_priv->gt;
- struct intel_rps *rps = >->rps;
- ssize_t ret;
- u32 val;
-
- ret = kstrtou32(buf, 0, &val);
- if (ret)
- return ret;
-
- ret = intel_rps_set_max_frequency(rps, val);
-
- return ret ?: count;
-}
-
-static ssize_t gt_min_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- struct drm_i915_private *i915 = kdev_minor_to_i915(kdev);
- struct intel_gt *gt = &i915->gt;
- struct intel_rps *rps = >->rps;
-
- return sysfs_emit(buf, "%d\n", intel_rps_get_min_frequency(rps));
-}
-
-static ssize_t gt_min_freq_mhz_store(struct device *kdev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct drm_i915_private *i915 = kdev_minor_to_i915(kdev);
- struct intel_rps *rps = &i915->gt.rps;
- ssize_t ret;
- u32 val;
-
- ret = kstrtou32(buf, 0, &val);
- if (ret)
- return ret;
-
- ret = intel_rps_set_min_frequency(rps, val);
-
- return ret ?: count;
-}
-
-static DEVICE_ATTR_RO(gt_act_freq_mhz);
-static DEVICE_ATTR_RO(gt_cur_freq_mhz);
-static DEVICE_ATTR_RW(gt_boost_freq_mhz);
-static DEVICE_ATTR_RW(gt_max_freq_mhz);
-static DEVICE_ATTR_RW(gt_min_freq_mhz);
-
-static DEVICE_ATTR_RO(vlv_rpe_freq_mhz);
-
-static ssize_t gt_rp_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf);
-static DEVICE_ATTR(gt_RP0_freq_mhz, S_IRUGO, gt_rp_mhz_show, NULL);
-static DEVICE_ATTR(gt_RP1_freq_mhz, S_IRUGO, gt_rp_mhz_show, NULL);
-static DEVICE_ATTR(gt_RPn_freq_mhz, S_IRUGO, gt_rp_mhz_show, NULL);
-
-/* For now we have a static number of RP states */
-static ssize_t gt_rp_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
- struct intel_rps *rps = &dev_priv->gt.rps;
- u32 val;
-
- if (attr == &dev_attr_gt_RP0_freq_mhz)
- val = intel_rps_get_rp0_frequency(rps);
- else if (attr == &dev_attr_gt_RP1_freq_mhz)
- val = intel_rps_get_rp1_frequency(rps);
- else if (attr == &dev_attr_gt_RPn_freq_mhz)
- val = intel_rps_get_rpn_frequency(rps);
- else
- BUG();
-
- return sysfs_emit(buf, "%d\n", val);
-}
-
-static const struct attribute * const gen6_attrs[] = {
- &dev_attr_gt_act_freq_mhz.attr,
- &dev_attr_gt_cur_freq_mhz.attr,
- &dev_attr_gt_boost_freq_mhz.attr,
- &dev_attr_gt_max_freq_mhz.attr,
- &dev_attr_gt_min_freq_mhz.attr,
- &dev_attr_gt_RP0_freq_mhz.attr,
- &dev_attr_gt_RP1_freq_mhz.attr,
- &dev_attr_gt_RPn_freq_mhz.attr,
- NULL,
-};
-
-static const struct attribute * const vlv_attrs[] = {
- &dev_attr_gt_act_freq_mhz.attr,
- &dev_attr_gt_cur_freq_mhz.attr,
- &dev_attr_gt_boost_freq_mhz.attr,
- &dev_attr_gt_max_freq_mhz.attr,
- &dev_attr_gt_min_freq_mhz.attr,
- &dev_attr_gt_RP0_freq_mhz.attr,
- &dev_attr_gt_RP1_freq_mhz.attr,
- &dev_attr_gt_RPn_freq_mhz.attr,
- &dev_attr_vlv_rpe_freq_mhz.attr,
- NULL,
-};
-
#if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR)
static ssize_t error_state_read(struct file *filp, struct kobject *kobj,
@@ -500,34 +221,16 @@ static void i915_setup_error_capture(struct device *kdev) {}
static void i915_teardown_error_capture(struct device *kdev) {}
#endif
+static struct kobject *i915_setup_gt_sysfs(struct kobject *parent)
+{
+ return kobject_create_and_add("gt", parent);
+}
+
void i915_setup_sysfs(struct drm_i915_private *dev_priv)
{
struct device *kdev = dev_priv->drm.primary->kdev;
int ret;
-#ifdef CONFIG_PM
- if (HAS_RC6(dev_priv)) {
- ret = sysfs_merge_group(&kdev->kobj,
- &rc6_attr_group);
- if (ret)
- drm_err(&dev_priv->drm,
- "RC6 residency sysfs setup failed\n");
- }
- if (HAS_RC6p(dev_priv)) {
- ret = sysfs_merge_group(&kdev->kobj,
- &rc6p_attr_group);
- if (ret)
- drm_err(&dev_priv->drm,
- "RC6p residency sysfs setup failed\n");
- }
- if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
- ret = sysfs_merge_group(&kdev->kobj,
- &media_rc6_attr_group);
- if (ret)
- drm_err(&dev_priv->drm,
- "Media RC6 residency sysfs setup failed\n");
- }
-#endif
if (HAS_L3_DPF(dev_priv)) {
ret = device_create_bin_file(kdev, &dpf_attrs);
if (ret)
@@ -543,13 +246,10 @@ void i915_setup_sysfs(struct drm_i915_private *dev_priv)
}
}
- ret = 0;
- if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
- ret = sysfs_create_files(&kdev->kobj, vlv_attrs);
- else if (GRAPHICS_VER(dev_priv) >= 6)
- ret = sysfs_create_files(&kdev->kobj, gen6_attrs);
- if (ret)
- drm_err(&dev_priv->drm, "RPS sysfs setup failed\n");
+ dev_priv->sysfs_gt = i915_setup_gt_sysfs(&kdev->kobj);
+ if (!dev_priv->sysfs_gt)
+ drm_err(&dev_priv->drm,
+ "failed to register GT sysfs directory\n");
i915_setup_error_capture(kdev);
@@ -562,14 +262,6 @@ void i915_teardown_sysfs(struct drm_i915_private *dev_priv)
i915_teardown_error_capture(kdev);
- if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
- sysfs_remove_files(&kdev->kobj, vlv_attrs);
- else
- sysfs_remove_files(&kdev->kobj, gen6_attrs);
device_remove_bin_file(kdev, &dpf_attrs_1);
device_remove_bin_file(kdev, &dpf_attrs);
-#ifdef CONFIG_PM
- sysfs_unmerge_group(&kdev->kobj, &rc6_attr_group);
- sysfs_unmerge_group(&kdev->kobj, &rc6p_attr_group);
-#endif
}
diff --git a/drivers/gpu/drm/i915/i915_sysfs.h b/drivers/gpu/drm/i915/i915_sysfs.h
index 41afd4366416a..243a17741e3f1 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.h
+++ b/drivers/gpu/drm/i915/i915_sysfs.h
@@ -6,8 +6,11 @@
#ifndef __I915_SYSFS_H__
#define __I915_SYSFS_H__
+struct device;
struct drm_i915_private;
+struct drm_i915_private *kdev_minor_to_i915(struct device *kdev);
+
void i915_setup_sysfs(struct drm_i915_private *i915);
void i915_teardown_sysfs(struct drm_i915_private *i915);
