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authorJonathan Gray <jsg@cvs.openbsd.org>2023-01-19 00:36:24 +0000
committerJonathan Gray <jsg@cvs.openbsd.org>2023-01-19 00:36:24 +0000
commit9a8af6a72452d366e0de2da961b768bbe9a67008 (patch)
treee8501ac036b08f9a8d08e7f36b81ff2c849402c9 /sys/dev/pci/drm
parente034612b7191450d2d904534b8b804dda7d640fc (diff)
drm/i915: Fix CFI violations in gt_sysfs
From Nathan Chancellor 3925336af00f79fb7f3a390b6ab30d455d32d863 in linux-6.1.y/6.1.7 a8a4f0467d706fc22d286dfa973946e5944b793c in mainline linux
Diffstat (limited to 'sys/dev/pci/drm')
-rw-r--r--sys/dev/pci/drm/i915/gt/intel_gt_sysfs.c15
-rw-r--r--sys/dev/pci/drm/i915/gt/intel_gt_sysfs.h2
-rw-r--r--sys/dev/pci/drm/i915/gt/intel_gt_sysfs_pm.c461
3 files changed, 220 insertions, 258 deletions
diff --git a/sys/dev/pci/drm/i915/gt/intel_gt_sysfs.c b/sys/dev/pci/drm/i915/gt/intel_gt_sysfs.c
index 849a7d84f0c..71cbeecd63f 100644
--- a/sys/dev/pci/drm/i915/gt/intel_gt_sysfs.c
+++ b/sys/dev/pci/drm/i915/gt/intel_gt_sysfs.c
@@ -24,11 +24,9 @@ bool is_object_gt(struct kobject *kobj)
return !strncmp(kobj->name, "gt", 2);
}
-struct intel_gt *intel_gt_sysfs_get_drvdata(struct device *dev,
+struct intel_gt *intel_gt_sysfs_get_drvdata(struct kobject *kobj,
const char *name)
{
- struct kobject *kobj = &dev->kobj;
-
/*
* We are interested at knowing from where the interface
* has been called, whether it's called from gt/ or from
@@ -40,6 +38,7 @@ struct intel_gt *intel_gt_sysfs_get_drvdata(struct device *dev,
* "struct drm_i915_private *" type.
*/
if (!is_object_gt(kobj)) {
+ struct device *dev = kobj_to_dev(kobj);
struct drm_i915_private *i915 = kdev_minor_to_i915(dev);
return to_gt(i915);
@@ -53,18 +52,18 @@ static struct kobject *gt_get_parent_obj(struct intel_gt *gt)
return &gt->i915->drm.primary->kdev->kobj;
}
-static ssize_t id_show(struct device *dev,
- struct device_attribute *attr,
+static ssize_t id_show(struct kobject *kobj,
+ struct kobj_attribute *attr,
char *buf)
{
- struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(kobj, attr->attr.name);
return sysfs_emit(buf, "%u\n", gt->info.id);
}
-static DEVICE_ATTR_RO(id);
+static struct kobj_attribute attr_id = __ATTR_RO(id);
static struct attribute *id_attrs[] = {
- &dev_attr_id.attr,
+ &attr_id.attr,
NULL,
};
ATTRIBUTE_GROUPS(id);
diff --git a/sys/dev/pci/drm/i915/gt/intel_gt_sysfs.h b/sys/dev/pci/drm/i915/gt/intel_gt_sysfs.h
index 6232923a420..c3a123faee9 100644
--- a/sys/dev/pci/drm/i915/gt/intel_gt_sysfs.h
+++ b/sys/dev/pci/drm/i915/gt/intel_gt_sysfs.h
@@ -30,7 +30,7 @@ static inline struct intel_gt *kobj_to_gt(struct kobject *kobj)
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,
+struct intel_gt *intel_gt_sysfs_get_drvdata(struct kobject *kobj,
const char *name);
#endif /* SYSFS_GT_H */
diff --git a/sys/dev/pci/drm/i915/gt/intel_gt_sysfs_pm.c b/sys/dev/pci/drm/i915/gt/intel_gt_sysfs_pm.c
index fe6091ac386..827fdff2eaf 100644
--- a/sys/dev/pci/drm/i915/gt/intel_gt_sysfs_pm.c
+++ b/sys/dev/pci/drm/i915/gt/intel_gt_sysfs_pm.c
@@ -26,14 +26,15 @@ enum intel_gt_sysfs_op {
};
static int
-sysfs_gt_attribute_w_func(struct device *dev, struct device_attribute *attr,
+sysfs_gt_attribute_w_func(struct kobject *kobj, struct attribute *attr,
int (func)(struct intel_gt *gt, u32 val), u32 val)
{
struct intel_gt *gt;
int ret;
- if (!is_object_gt(&dev->kobj)) {
+ if (!is_object_gt(kobj)) {
int i;
+ struct device *dev = kobj_to_dev(kobj);
struct drm_i915_private *i915 = kdev_minor_to_i915(dev);
for_each_gt(gt, i915, i) {
@@ -42,7 +43,7 @@ sysfs_gt_attribute_w_func(struct device *dev, struct device_attribute *attr,
break;
}
} else {
- gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ gt = intel_gt_sysfs_get_drvdata(kobj, attr->name);
ret = func(gt, val);
}
@@ -50,7 +51,7 @@ sysfs_gt_attribute_w_func(struct device *dev, struct device_attribute *attr,
}
static u32
-sysfs_gt_attribute_r_func(struct device *dev, struct device_attribute *attr,
+sysfs_gt_attribute_r_func(struct kobject *kobj, struct attribute *attr,
u32 (func)(struct intel_gt *gt),
enum intel_gt_sysfs_op op)
{
@@ -59,8 +60,9 @@ sysfs_gt_attribute_r_func(struct device *dev, struct device_attribute *attr,
ret = (op == INTEL_GT_SYSFS_MAX) ? 0 : (u32) -1;
- if (!is_object_gt(&dev->kobj)) {
+ if (!is_object_gt(kobj)) {
int i;
+ struct device *dev = kobj_to_dev(kobj);
struct drm_i915_private *i915 = kdev_minor_to_i915(dev);
for_each_gt(gt, i915, i) {
@@ -79,7 +81,7 @@ sysfs_gt_attribute_r_func(struct device *dev, struct device_attribute *attr,
}
}
} else {
- gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ gt = intel_gt_sysfs_get_drvdata(kobj, attr->name);
ret = func(gt);
}
@@ -94,6 +96,76 @@ sysfs_gt_attribute_r_func(struct device *dev, struct device_attribute *attr,
#define sysfs_gt_attribute_r_max_func(d, a, f) \
sysfs_gt_attribute_r_func(d, a, f, INTEL_GT_SYSFS_MAX)
+#define INTEL_GT_SYSFS_SHOW(_name, _attr_type) \
+ static ssize_t _name##_show_common(struct kobject *kobj, \
+ struct attribute *attr, char *buff) \
+ { \
+ u32 val = sysfs_gt_attribute_r_##_attr_type##_func(kobj, attr, \
+ __##_name##_show); \
+ \
+ return sysfs_emit(buff, "%u\n", val); \
+ } \
+ static ssize_t _name##_show(struct kobject *kobj, \
+ struct kobj_attribute *attr, char *buff) \
+ { \
+ return _name ##_show_common(kobj, &attr->attr, buff); \
+ } \
+ static ssize_t _name##_dev_show(struct device *dev, \
+ struct device_attribute *attr, char *buff) \
+ { \
+ return _name##_show_common(&dev->kobj, &attr->attr, buff); \
+ }
+
+#define INTEL_GT_SYSFS_STORE(_name, _func) \
+ static ssize_t _name##_store_common(struct kobject *kobj, \
+ struct attribute *attr, \
+ const char *buff, size_t count) \
+ { \
+ int ret; \
+ u32 val; \
+ \
+ ret = kstrtou32(buff, 0, &val); \
+ if (ret) \
+ return ret; \
+ \
+ ret = sysfs_gt_attribute_w_func(kobj, attr, _func, val); \
+ \
+ return ret ?: count; \
+ } \
+ static ssize_t _name##_store(struct kobject *kobj, \
+ struct kobj_attribute *attr, const char *buff, \
+ size_t count) \
+ { \
+ return _name##_store_common(kobj, &attr->attr, buff, count); \
+ } \
+ static ssize_t _name##_dev_store(struct device *dev, \
+ struct device_attribute *attr, \
+ const char *buff, size_t count) \
+ { \
+ return _name##_store_common(&dev->kobj, &attr->attr, buff, count); \
+ }
+
+#define INTEL_GT_SYSFS_SHOW_MAX(_name) INTEL_GT_SYSFS_SHOW(_name, max)
+#define INTEL_GT_SYSFS_SHOW_MIN(_name) INTEL_GT_SYSFS_SHOW(_name, min)
+
+#define INTEL_GT_ATTR_RW(_name) \
+ static struct kobj_attribute attr_##_name = __ATTR_RW(_name)
+
+#define INTEL_GT_ATTR_RO(_name) \
+ static struct kobj_attribute attr_##_name = __ATTR_RO(_name)
+
+#define INTEL_GT_DUAL_ATTR_RW(_name) \
+ static struct device_attribute dev_attr_##_name = __ATTR(_name, 0644, \
+ _name##_dev_show, \
+ _name##_dev_store); \
+ INTEL_GT_ATTR_RW(_name)
+
+#define INTEL_GT_DUAL_ATTR_RO(_name) \
+ static struct device_attribute dev_attr_##_name = __ATTR(_name, 0444, \
+ _name##_dev_show, \
+ NULL); \
+ INTEL_GT_ATTR_RO(_name)
+
#ifdef CONFIG_PM
static u32 get_residency(struct intel_gt *gt, i915_reg_t reg)
{
@@ -106,11 +178,8 @@ static u32 get_residency(struct intel_gt *gt, i915_reg_t reg)
return DIV_ROUND_CLOSEST_ULL(res, 1000);
}
-static ssize_t rc6_enable_show(struct device *dev,
- struct device_attribute *attr,
- char *buff)
+static u8 get_rc6_mask(struct intel_gt *gt)
{
- struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
u8 mask = 0;
if (HAS_RC6(gt->i915))
@@ -120,37 +189,35 @@ static ssize_t rc6_enable_show(struct device *dev,
if (HAS_RC6pp(gt->i915))
mask |= BIT(2);
- return sysfs_emit(buff, "%x\n", mask);
+ return mask;
}
-static u32 __rc6_residency_ms_show(struct intel_gt *gt)
+static ssize_t rc6_enable_show(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ char *buff)
{
- return get_residency(gt, GEN6_GT_GFX_RC6);
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(kobj, attr->attr.name);
+
+ return sysfs_emit(buff, "%x\n", get_rc6_mask(gt));
}
-static ssize_t rc6_residency_ms_show(struct device *dev,
- struct device_attribute *attr,
- char *buff)
+static ssize_t rc6_enable_dev_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buff)
{
- u32 rc6_residency = sysfs_gt_attribute_r_min_func(dev, attr,
- __rc6_residency_ms_show);
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(&dev->kobj, attr->attr.name);
- return sysfs_emit(buff, "%u\n", rc6_residency);
+ return sysfs_emit(buff, "%x\n", get_rc6_mask(gt));
}
-static u32 __rc6p_residency_ms_show(struct intel_gt *gt)
+static u32 __rc6_residency_ms_show(struct intel_gt *gt)
{
- return get_residency(gt, GEN6_GT_GFX_RC6p);
+ return get_residency(gt, GEN6_GT_GFX_RC6);
}
-static ssize_t rc6p_residency_ms_show(struct device *dev,
- struct device_attribute *attr,
- char *buff)
+static u32 __rc6p_residency_ms_show(struct intel_gt *gt)
{
- u32 rc6p_residency = sysfs_gt_attribute_r_min_func(dev, attr,
- __rc6p_residency_ms_show);
-
- return sysfs_emit(buff, "%u\n", rc6p_residency);
+ return get_residency(gt, GEN6_GT_GFX_RC6p);
}
static u32 __rc6pp_residency_ms_show(struct intel_gt *gt)
@@ -158,67 +225,69 @@ static u32 __rc6pp_residency_ms_show(struct intel_gt *gt)
return get_residency(gt, GEN6_GT_GFX_RC6pp);
}
-static ssize_t rc6pp_residency_ms_show(struct device *dev,
- struct device_attribute *attr,
- char *buff)
-{
- u32 rc6pp_residency = sysfs_gt_attribute_r_min_func(dev, attr,
- __rc6pp_residency_ms_show);
-
- return sysfs_emit(buff, "%u\n", rc6pp_residency);
-}
-
static u32 __media_rc6_residency_ms_show(struct intel_gt *gt)
{
return get_residency(gt, VLV_GT_MEDIA_RC6);
}
-static ssize_t media_rc6_residency_ms_show(struct device *dev,
- struct device_attribute *attr,
- char *buff)
-{
- u32 rc6_residency = sysfs_gt_attribute_r_min_func(dev, attr,
- __media_rc6_residency_ms_show);
+INTEL_GT_SYSFS_SHOW_MIN(rc6_residency_ms);
+INTEL_GT_SYSFS_SHOW_MIN(rc6p_residency_ms);
+INTEL_GT_SYSFS_SHOW_MIN(rc6pp_residency_ms);
+INTEL_GT_SYSFS_SHOW_MIN(media_rc6_residency_ms);
- return sysfs_emit(buff, "%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);
+INTEL_GT_DUAL_ATTR_RO(rc6_enable);
+INTEL_GT_DUAL_ATTR_RO(rc6_residency_ms);
+INTEL_GT_DUAL_ATTR_RO(rc6p_residency_ms);
+INTEL_GT_DUAL_ATTR_RO(rc6pp_residency_ms);
+INTEL_GT_DUAL_ATTR_RO(media_rc6_residency_ms);
static struct attribute *rc6_attrs[] = {
+ &attr_rc6_enable.attr,
+ &attr_rc6_residency_ms.attr,
+ NULL
+};
+
+static struct attribute *rc6p_attrs[] = {
+ &attr_rc6p_residency_ms.attr,
+ &attr_rc6pp_residency_ms.attr,
+ NULL
+};
+
+static struct attribute *media_rc6_attrs[] = {
+ &attr_media_rc6_residency_ms.attr,
+ NULL
+};
+
+static struct attribute *rc6_dev_attrs[] = {
&dev_attr_rc6_enable.attr,
&dev_attr_rc6_residency_ms.attr,
NULL
};
-static struct attribute *rc6p_attrs[] = {
+static struct attribute *rc6p_dev_attrs[] = {
&dev_attr_rc6p_residency_ms.attr,
&dev_attr_rc6pp_residency_ms.attr,
NULL
};
-static struct attribute *media_rc6_attrs[] = {
+static struct attribute *media_rc6_dev_attrs[] = {
&dev_attr_media_rc6_residency_ms.attr,
NULL
};
static const struct attribute_group rc6_attr_group[] = {
{ .attrs = rc6_attrs, },
- { .name = power_group_name, .attrs = rc6_attrs, },
+ { .name = power_group_name, .attrs = rc6_dev_attrs, },
};
static const struct attribute_group rc6p_attr_group[] = {
{ .attrs = rc6p_attrs, },
- { .name = power_group_name, .attrs = rc6p_attrs, },
+ { .name = power_group_name, .attrs = rc6p_dev_attrs, },
};
static const struct attribute_group media_rc6_attr_group[] = {
{ .attrs = media_rc6_attrs, },
- { .name = power_group_name, .attrs = media_rc6_attrs, },
+ { .name = power_group_name, .attrs = media_rc6_dev_attrs, },
};
static int __intel_gt_sysfs_create_group(struct kobject *kobj,
@@ -273,104 +342,34 @@ static u32 __act_freq_mhz_show(struct intel_gt *gt)
return intel_rps_read_actual_frequency(&gt->rps);
}
-static ssize_t act_freq_mhz_show(struct device *dev,
- struct device_attribute *attr, char *buff)
-{
- u32 actual_freq = sysfs_gt_attribute_r_max_func(dev, attr,
- __act_freq_mhz_show);
-
- return sysfs_emit(buff, "%u\n", actual_freq);
-}
-
static u32 __cur_freq_mhz_show(struct intel_gt *gt)
{
return intel_rps_get_requested_frequency(&gt->rps);
}
-static ssize_t cur_freq_mhz_show(struct device *dev,
- struct device_attribute *attr, char *buff)
-{
- u32 cur_freq = sysfs_gt_attribute_r_max_func(dev, attr,
- __cur_freq_mhz_show);
-
- return sysfs_emit(buff, "%u\n", cur_freq);
-}
-
static u32 __boost_freq_mhz_show(struct intel_gt *gt)
{
return intel_rps_get_boost_frequency(&gt->rps);
}
-static ssize_t boost_freq_mhz_show(struct device *dev,
- struct device_attribute *attr,
- char *buff)
-{
- u32 boost_freq = sysfs_gt_attribute_r_max_func(dev, attr,
- __boost_freq_mhz_show);
-
- return sysfs_emit(buff, "%u\n", boost_freq);
-}
-
static int __boost_freq_mhz_store(struct intel_gt *gt, u32 val)
{
return intel_rps_set_boost_frequency(&gt->rps, val);
}
-static ssize_t boost_freq_mhz_store(struct device *dev,
- struct device_attribute *attr,
- const char *buff, size_t count)
-{
- ssize_t ret;
- u32 val;
-
- ret = kstrtou32(buff, 0, &val);
- if (ret)
- return ret;
-
- return sysfs_gt_attribute_w_func(dev, attr,
- __boost_freq_mhz_store, val) ?: count;
-}
-
-static u32 __rp0_freq_mhz_show(struct intel_gt *gt)
+static u32 __RP0_freq_mhz_show(struct intel_gt *gt)
{
return intel_rps_get_rp0_frequency(&gt->rps);
}
-static ssize_t RP0_freq_mhz_show(struct device *dev,
- struct device_attribute *attr, char *buff)
-{
- u32 rp0_freq = sysfs_gt_attribute_r_max_func(dev, attr,
- __rp0_freq_mhz_show);
-
- return sysfs_emit(buff, "%u\n", rp0_freq);
-}
-
-static u32 __rp1_freq_mhz_show(struct intel_gt *gt)
-{
- return intel_rps_get_rp1_frequency(&gt->rps);
-}
-
-static ssize_t RP1_freq_mhz_show(struct device *dev,
- struct device_attribute *attr, char *buff)
-{
- u32 rp1_freq = sysfs_gt_attribute_r_max_func(dev, attr,
- __rp1_freq_mhz_show);
-
- return sysfs_emit(buff, "%u\n", rp1_freq);
-}
-
-static u32 __rpn_freq_mhz_show(struct intel_gt *gt)
+static u32 __RPn_freq_mhz_show(struct intel_gt *gt)
{
return intel_rps_get_rpn_frequency(&gt->rps);
}
-static ssize_t RPn_freq_mhz_show(struct device *dev,
- struct device_attribute *attr, char *buff)
+static u32 __RP1_freq_mhz_show(struct intel_gt *gt)
{
- u32 rpn_freq = sysfs_gt_attribute_r_max_func(dev, attr,
- __rpn_freq_mhz_show);
-
- return sysfs_emit(buff, "%u\n", rpn_freq);
+ return intel_rps_get_rp1_frequency(&gt->rps);
}
static u32 __max_freq_mhz_show(struct intel_gt *gt)
@@ -378,71 +377,21 @@ static u32 __max_freq_mhz_show(struct intel_gt *gt)
return intel_rps_get_max_frequency(&gt->rps);
}
-static ssize_t max_freq_mhz_show(struct device *dev,
- struct device_attribute *attr, char *buff)
-{
- u32 max_freq = sysfs_gt_attribute_r_max_func(dev, attr,
- __max_freq_mhz_show);
-
- return sysfs_emit(buff, "%u\n", max_freq);
-}
-
static int __set_max_freq(struct intel_gt *gt, u32 val)
{
return intel_rps_set_max_frequency(&gt->rps, val);
}
-static ssize_t max_freq_mhz_store(struct device *dev,
- struct device_attribute *attr,
- const char *buff, size_t count)
-{
- int ret;
- u32 val;
-
- ret = kstrtou32(buff, 0, &val);
- if (ret)
- return ret;
-
- ret = sysfs_gt_attribute_w_func(dev, attr, __set_max_freq, val);
-
- return ret ?: count;
-}
-
static u32 __min_freq_mhz_show(struct intel_gt *gt)
{
return intel_rps_get_min_frequency(&gt->rps);
}
-static ssize_t min_freq_mhz_show(struct device *dev,
- struct device_attribute *attr, char *buff)
-{
- u32 min_freq = sysfs_gt_attribute_r_min_func(dev, attr,
- __min_freq_mhz_show);
-
- return sysfs_emit(buff, "%u\n", min_freq);
-}
-
static int __set_min_freq(struct intel_gt *gt, u32 val)
{
return intel_rps_set_min_frequency(&gt->rps, val);
}
-static ssize_t min_freq_mhz_store(struct device *dev,
- struct device_attribute *attr,
- const char *buff, size_t count)
-{
- int ret;
- u32 val;
-
- ret = kstrtou32(buff, 0, &val);
- if (ret)
- return ret;
-
- ret = sysfs_gt_attribute_w_func(dev, attr, __set_min_freq, val);
-
- return ret ?: count;
-}
-
static u32 __vlv_rpe_freq_mhz_show(struct intel_gt *gt)
{
struct intel_rps *rps = &gt->rps;
@@ -450,23 +399,31 @@ static u32 __vlv_rpe_freq_mhz_show(struct intel_gt *gt)
return intel_gpu_freq(rps, rps->efficient_freq);
}
-static ssize_t vlv_rpe_freq_mhz_show(struct device *dev,
- struct device_attribute *attr, char *buff)
-{
- u32 rpe_freq = sysfs_gt_attribute_r_max_func(dev, attr,
- __vlv_rpe_freq_mhz_show);
-
- return sysfs_emit(buff, "%u\n", rpe_freq);
-}
-
-#define INTEL_GT_RPS_SYSFS_ATTR(_name, _mode, _show, _store) \
- static struct device_attribute dev_attr_gt_##_name = __ATTR(gt_##_name, _mode, _show, _store); \
- static 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)
+INTEL_GT_SYSFS_SHOW_MAX(act_freq_mhz);
+INTEL_GT_SYSFS_SHOW_MAX(boost_freq_mhz);
+INTEL_GT_SYSFS_SHOW_MAX(cur_freq_mhz);
+INTEL_GT_SYSFS_SHOW_MAX(RP0_freq_mhz);
+INTEL_GT_SYSFS_SHOW_MAX(RP1_freq_mhz);
+INTEL_GT_SYSFS_SHOW_MAX(RPn_freq_mhz);
+INTEL_GT_SYSFS_SHOW_MAX(max_freq_mhz);
+INTEL_GT_SYSFS_SHOW_MIN(min_freq_mhz);
+INTEL_GT_SYSFS_SHOW_MAX(vlv_rpe_freq_mhz);
+INTEL_GT_SYSFS_STORE(boost_freq_mhz, __boost_freq_mhz_store);
+INTEL_GT_SYSFS_STORE(max_freq_mhz, __set_max_freq);
+INTEL_GT_SYSFS_STORE(min_freq_mhz, __set_min_freq);
+
+#define INTEL_GT_RPS_SYSFS_ATTR(_name, _mode, _show, _store, _show_dev, _store_dev) \
+ static struct device_attribute dev_attr_gt_##_name = __ATTR(gt_##_name, _mode, \
+ _show_dev, _store_dev); \
+ static struct kobj_attribute 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, \
+ _name##_dev_show, NULL)
+#define INTEL_GT_RPS_SYSFS_ATTR_RW(_name) \
+ INTEL_GT_RPS_SYSFS_ATTR(_name, 0644, _name##_show, _name##_store, \
+ _name##_dev_show, _name##_dev_store)
/* The below macros generate static structures */
INTEL_GT_RPS_SYSFS_ATTR_RO(act_freq_mhz);
@@ -477,32 +434,31 @@ INTEL_GT_RPS_SYSFS_ATTR_RO(RP1_freq_mhz);
INTEL_GT_RPS_SYSFS_ATTR_RO(RPn_freq_mhz);
INTEL_GT_RPS_SYSFS_ATTR_RW(max_freq_mhz);
INTEL_GT_RPS_SYSFS_ATTR_RW(min_freq_mhz);
-
-static DEVICE_ATTR_RO(vlv_rpe_freq_mhz);
-
-#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, \
+INTEL_GT_RPS_SYSFS_ATTR_RO(vlv_rpe_freq_mhz);
+
+#define GEN6_ATTR(p, s) { \
+ &p##attr_##s##_act_freq_mhz.attr, \
+ &p##attr_##s##_cur_freq_mhz.attr, \
+ &p##attr_##s##_boost_freq_mhz.attr, \
+ &p##attr_##s##_max_freq_mhz.attr, \
+ &p##attr_##s##_min_freq_mhz.attr, \
+ &p##attr_##s##_RP0_freq_mhz.attr, \
+ &p##attr_##s##_RP1_freq_mhz.attr, \
+ &p##attr_##s##_RPn_freq_mhz.attr, \
NULL, \
}
-#define GEN6_RPS_ATTR GEN6_ATTR(rps)
-#define GEN6_GT_ATTR GEN6_ATTR(gt)
+#define GEN6_RPS_ATTR GEN6_ATTR(, rps)
+#define GEN6_GT_ATTR GEN6_ATTR(dev_, gt)
static const struct attribute * const gen6_rps_attrs[] = GEN6_RPS_ATTR;
static const struct attribute * const gen6_gt_attrs[] = GEN6_GT_ATTR;
-static ssize_t punit_req_freq_mhz_show(struct device *dev,
- struct device_attribute *attr,
+static ssize_t punit_req_freq_mhz_show(struct kobject *kobj,
+ struct kobj_attribute *attr,
char *buff)
{
- struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(kobj, attr->attr.name);
u32 preq = intel_rps_read_punit_req_frequency(&gt->rps);
return sysfs_emit(buff, "%u\n", preq);
@@ -510,17 +466,17 @@ static ssize_t punit_req_freq_mhz_show(struct device *dev,
struct intel_gt_bool_throttle_attr {
struct attribute attr;
- ssize_t (*show)(struct device *dev, struct device_attribute *attr,
+ ssize_t (*show)(struct kobject *kobj, struct kobj_attribute *attr,
char *buf);
i915_reg_t reg32;
u32 mask;
};
-static ssize_t throttle_reason_bool_show(struct device *dev,
- struct device_attribute *attr,
+static ssize_t throttle_reason_bool_show(struct kobject *kobj,
+ struct kobj_attribute *attr,
char *buff)
{
- struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(kobj, attr->attr.name);
struct intel_gt_bool_throttle_attr *t_attr =
(struct intel_gt_bool_throttle_attr *) attr;
bool val = rps_read_mask_mmio(&gt->rps, t_attr->reg32, t_attr->mask);
@@ -536,7 +492,7 @@ struct intel_gt_bool_throttle_attr attr_##sysfs_func__ = { \
.mask = mask__, \
}
-static DEVICE_ATTR_RO(punit_req_freq_mhz);
+INTEL_GT_ATTR_RO(punit_req_freq_mhz);
static INTEL_GT_RPS_BOOL_ATTR_RO(throttle_reason_status, GT0_PERF_LIMIT_REASONS_MASK);
static INTEL_GT_RPS_BOOL_ATTR_RO(throttle_reason_pl1, POWER_LIMIT_1_MASK);
static INTEL_GT_RPS_BOOL_ATTR_RO(throttle_reason_pl2, POWER_LIMIT_2_MASK);
@@ -599,8 +555,8 @@ static const struct attribute *throttle_reason_attrs[] = {
#define U8_8_VAL_MASK 0xffff
#define U8_8_SCALE_TO_VALUE "0.00390625"
-static ssize_t freq_factor_scale_show(struct device *dev,
- struct device_attribute *attr,
+static ssize_t freq_factor_scale_show(struct kobject *kobj,
+ struct kobj_attribute *attr,
char *buff)
{
return sysfs_emit(buff, "%s\n", U8_8_SCALE_TO_VALUE);
@@ -612,11 +568,11 @@ static u32 media_ratio_mode_to_factor(u32 mode)
return !mode ? mode : 256 / mode;
}
-static ssize_t media_freq_factor_show(struct device *dev,
- struct device_attribute *attr,
+static ssize_t media_freq_factor_show(struct kobject *kobj,
+ struct kobj_attribute *attr,
char *buff)
{
- struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(kobj, attr->attr.name);
struct intel_guc_slpc *slpc = &gt->uc.guc.slpc;
intel_wakeref_t wakeref;
u32 mode;
@@ -643,11 +599,11 @@ static ssize_t media_freq_factor_show(struct device *dev,
return sysfs_emit(buff, "%u\n", media_ratio_mode_to_factor(mode));
}
-static ssize_t media_freq_factor_store(struct device *dev,
- struct device_attribute *attr,
+static ssize_t media_freq_factor_store(struct kobject *kobj,
+ struct kobj_attribute *attr,
const char *buff, size_t count)
{
- struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(kobj, attr->attr.name);
struct intel_guc_slpc *slpc = &gt->uc.guc.slpc;
u32 factor, mode;
int err;
@@ -672,11 +628,11 @@ static ssize_t media_freq_factor_store(struct device *dev,
return err ?: count;
}
-static ssize_t media_RP0_freq_mhz_show(struct device *dev,
- struct device_attribute *attr,
+static ssize_t media_RP0_freq_mhz_show(struct kobject *kobj,
+ struct kobj_attribute *attr,
char *buff)
{
- struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(kobj, attr->attr.name);
u32 val;
int err;
@@ -693,11 +649,11 @@ static ssize_t media_RP0_freq_mhz_show(struct device *dev,
return sysfs_emit(buff, "%u\n", val);
}
-static ssize_t media_RPn_freq_mhz_show(struct device *dev,
- struct device_attribute *attr,
+static ssize_t media_RPn_freq_mhz_show(struct kobject *kobj,
+ struct kobj_attribute *attr,
char *buff)
{
- struct intel_gt *gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ struct intel_gt *gt = intel_gt_sysfs_get_drvdata(kobj, attr->attr.name);
u32 val;
int err;
@@ -714,17 +670,17 @@ static ssize_t media_RPn_freq_mhz_show(struct device *dev,
return sysfs_emit(buff, "%u\n", val);
}
-static DEVICE_ATTR_RW(media_freq_factor);
-static struct device_attribute dev_attr_media_freq_factor_scale =
+INTEL_GT_ATTR_RW(media_freq_factor);
+static struct kobj_attribute attr_media_freq_factor_scale =
__ATTR(media_freq_factor.scale, 0444, freq_factor_scale_show, NULL);
-static DEVICE_ATTR_RO(media_RP0_freq_mhz);
-static DEVICE_ATTR_RO(media_RPn_freq_mhz);
+INTEL_GT_ATTR_RO(media_RP0_freq_mhz);
+INTEL_GT_ATTR_RO(media_RPn_freq_mhz);
static const struct attribute *media_perf_power_attrs[] = {
- &dev_attr_media_freq_factor.attr,
- &dev_attr_media_freq_factor_scale.attr,
- &dev_attr_media_RP0_freq_mhz.attr,
- &dev_attr_media_RPn_freq_mhz.attr,
+ &attr_media_freq_factor.attr,
+ &attr_media_freq_factor_scale.attr,
+ &attr_media_RP0_freq_mhz.attr,
+ &attr_media_RPn_freq_mhz.attr,
NULL
};
@@ -756,20 +712,29 @@ static const struct attribute * const rps_defaults_attrs[] = {
NULL
};
-static int intel_sysfs_rps_init(struct intel_gt *gt, struct kobject *kobj,
- const struct attribute * const *attrs)
+static int intel_sysfs_rps_init(struct intel_gt *gt, struct kobject *kobj)
{
+ const struct attribute * const *attrs;
+ struct attribute *vlv_attr;
int ret;
if (GRAPHICS_VER(gt->i915) < 6)
return 0;
+ if (is_object_gt(kobj)) {
+ attrs = gen6_rps_attrs;
+ vlv_attr = &attr_rps_vlv_rpe_freq_mhz.attr;
+ } else {
+ attrs = gen6_gt_attrs;
+ vlv_attr = &dev_attr_gt_vlv_rpe_freq_mhz.attr;
+ }
+
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);
+ ret = sysfs_create_file(kobj, vlv_attr);
return ret;
}
@@ -784,9 +749,7 @@ void intel_gt_sysfs_pm_init(struct intel_gt *gt, struct kobject *kobj)
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);
+ ret = intel_sysfs_rps_init(gt, kobj);
if (ret)
drm_warn(&gt->i915->drm,
"failed to create gt%u RPS sysfs files (%pe)",
@@ -796,7 +759,7 @@ void intel_gt_sysfs_pm_init(struct intel_gt *gt, struct kobject *kobj)
if (!is_object_gt(kobj))
return;
- ret = sysfs_create_file(kobj, &dev_attr_punit_req_freq_mhz.attr);
+ ret = sysfs_create_file(kobj, &attr_punit_req_freq_mhz.attr);
if (ret)
drm_warn(&gt->i915->drm,
"failed to create gt%u punit_req_freq_mhz sysfs (%pe)",