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path: root/drivers/gpu/drm/xe/xe_gt_freq.c
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_gt_freq.c')
-rw-r--r--drivers/gpu/drm/xe/xe_gt_freq.c87
1 files changed, 51 insertions, 36 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_freq.c b/drivers/gpu/drm/xe/xe_gt_freq.c
index 604bdc7c8173..60d9354e7dbf 100644
--- a/drivers/gpu/drm/xe/xe_gt_freq.c
+++ b/drivers/gpu/drm/xe/xe_gt_freq.c
@@ -32,13 +32,18 @@
* Xe's Freq provides a sysfs API for frequency management:
*
* device/tile#/gt#/freq0/<item>_freq *read-only* files:
+ *
* - act_freq: The actual resolved frequency decided by PCODE.
* - cur_freq: The current one requested by GuC PC to the PCODE.
* - rpn_freq: The Render Performance (RP) N level, which is the minimal one.
+ * - rpa_freq: The Render Performance (RP) A level, which is the achiveable one.
+ * Calculated by PCODE at runtime based on multiple running conditions
* - rpe_freq: The Render Performance (RP) E level, which is the efficient one.
+ * Calculated by PCODE at runtime based on multiple running conditions
* - rp0_freq: The Render Performance (RP) 0 level, which is the maximum one.
*
* device/tile#/gt#/freq0/<item>_freq *read-write* files:
+ *
* - min_freq: Min frequency request.
* - max_freq: Max frequency request.
* If max <= min, then freq_min becomes a fixed frequency request.
@@ -56,9 +61,10 @@ dev_to_xe(struct device *dev)
return gt_to_xe(kobj_to_gt(dev->kobj.parent));
}
-static ssize_t act_freq_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t act_freq_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
{
+ struct device *dev = kobj_to_dev(kobj);
struct xe_guc_pc *pc = dev_to_pc(dev);
u32 freq;
@@ -68,11 +74,12 @@ static ssize_t act_freq_show(struct device *dev,
return sysfs_emit(buf, "%d\n", freq);
}
-static DEVICE_ATTR_RO(act_freq);
+static struct kobj_attribute attr_act_freq = __ATTR_RO(act_freq);
-static ssize_t cur_freq_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t cur_freq_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
{
+ struct device *dev = kobj_to_dev(kobj);
struct xe_guc_pc *pc = dev_to_pc(dev);
u32 freq;
ssize_t ret;
@@ -85,11 +92,12 @@ static ssize_t cur_freq_show(struct device *dev,
return sysfs_emit(buf, "%d\n", freq);
}
-static DEVICE_ATTR_RO(cur_freq);
+static struct kobj_attribute attr_cur_freq = __ATTR_RO(cur_freq);
-static ssize_t rp0_freq_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t rp0_freq_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
{
+ struct device *dev = kobj_to_dev(kobj);
struct xe_guc_pc *pc = dev_to_pc(dev);
u32 freq;
@@ -99,11 +107,12 @@ static ssize_t rp0_freq_show(struct device *dev,
return sysfs_emit(buf, "%d\n", freq);
}
-static DEVICE_ATTR_RO(rp0_freq);
+static struct kobj_attribute attr_rp0_freq = __ATTR_RO(rp0_freq);
-static ssize_t rpe_freq_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t rpe_freq_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
{
+ struct device *dev = kobj_to_dev(kobj);
struct xe_guc_pc *pc = dev_to_pc(dev);
u32 freq;
@@ -113,11 +122,12 @@ static ssize_t rpe_freq_show(struct device *dev,
return sysfs_emit(buf, "%d\n", freq);
}
-static DEVICE_ATTR_RO(rpe_freq);
+static struct kobj_attribute attr_rpe_freq = __ATTR_RO(rpe_freq);
-static ssize_t rpa_freq_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t rpa_freq_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
{
+ struct device *dev = kobj_to_dev(kobj);
struct xe_guc_pc *pc = dev_to_pc(dev);
u32 freq;
@@ -127,20 +137,22 @@ static ssize_t rpa_freq_show(struct device *dev,
return sysfs_emit(buf, "%d\n", freq);
}
-static DEVICE_ATTR_RO(rpa_freq);
+static struct kobj_attribute attr_rpa_freq = __ATTR_RO(rpa_freq);
-static ssize_t rpn_freq_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t rpn_freq_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
{
+ struct device *dev = kobj_to_dev(kobj);
struct xe_guc_pc *pc = dev_to_pc(dev);
return sysfs_emit(buf, "%d\n", xe_guc_pc_get_rpn_freq(pc));
}
-static DEVICE_ATTR_RO(rpn_freq);
+static struct kobj_attribute attr_rpn_freq = __ATTR_RO(rpn_freq);
-static ssize_t min_freq_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t min_freq_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
{
+ struct device *dev = kobj_to_dev(kobj);
struct xe_guc_pc *pc = dev_to_pc(dev);
u32 freq;
ssize_t ret;
@@ -154,9 +166,10 @@ static ssize_t min_freq_show(struct device *dev,
return sysfs_emit(buf, "%d\n", freq);
}
-static ssize_t min_freq_store(struct device *dev, struct device_attribute *attr,
- const char *buff, size_t count)
+static ssize_t min_freq_store(struct kobject *kobj,
+ struct kobj_attribute *attr, const char *buff, size_t count)
{
+ struct device *dev = kobj_to_dev(kobj);
struct xe_guc_pc *pc = dev_to_pc(dev);
u32 freq;
ssize_t ret;
@@ -173,11 +186,12 @@ static ssize_t min_freq_store(struct device *dev, struct device_attribute *attr,
return count;
}
-static DEVICE_ATTR_RW(min_freq);
+static struct kobj_attribute attr_min_freq = __ATTR_RW(min_freq);
-static ssize_t max_freq_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t max_freq_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
{
+ struct device *dev = kobj_to_dev(kobj);
struct xe_guc_pc *pc = dev_to_pc(dev);
u32 freq;
ssize_t ret;
@@ -191,9 +205,10 @@ static ssize_t max_freq_show(struct device *dev,
return sysfs_emit(buf, "%d\n", freq);
}
-static ssize_t max_freq_store(struct device *dev, struct device_attribute *attr,
- const char *buff, size_t count)
+static ssize_t max_freq_store(struct kobject *kobj,
+ struct kobj_attribute *attr, const char *buff, size_t count)
{
+ struct device *dev = kobj_to_dev(kobj);
struct xe_guc_pc *pc = dev_to_pc(dev);
u32 freq;
ssize_t ret;
@@ -210,17 +225,17 @@ static ssize_t max_freq_store(struct device *dev, struct device_attribute *attr,
return count;
}
-static DEVICE_ATTR_RW(max_freq);
+static struct kobj_attribute attr_max_freq = __ATTR_RW(max_freq);
static const struct attribute *freq_attrs[] = {
- &dev_attr_act_freq.attr,
- &dev_attr_cur_freq.attr,
- &dev_attr_rp0_freq.attr,
- &dev_attr_rpa_freq.attr,
- &dev_attr_rpe_freq.attr,
- &dev_attr_rpn_freq.attr,
- &dev_attr_min_freq.attr,
- &dev_attr_max_freq.attr,
+ &attr_act_freq.attr,
+ &attr_cur_freq.attr,
+ &attr_rp0_freq.attr,
+ &attr_rpa_freq.attr,
+ &attr_rpe_freq.attr,
+ &attr_rpn_freq.attr,
+ &attr_min_freq.attr,
+ &attr_max_freq.attr,
NULL
};
generated by cgit (git 2.34.1) at 2025-07-23 22:44:53 +0000