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-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c283
-rw-r--r--drivers/gpu/drm/i915/i915_sysfs.c177
2 files changed, 283 insertions, 177 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 144b004e4de8..b0a1ea95d028 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c
@@ -14,6 +14,7 @@
#include "intel_gt_sysfs.h"
#include "intel_gt_sysfs_pm.h"
#include "intel_rc6.h"
+#include "intel_rps.h"
#ifdef CONFIG_PM
enum intel_gt_sysfs_op {
@@ -21,6 +22,30 @@ enum intel_gt_sysfs_op {
INTEL_GT_SYSFS_MAX,
};
+static int
+sysfs_gt_attribute_w_func(struct device *dev, struct device_attribute *attr,
+ int (func)(struct intel_gt *gt, u32 val), u32 val)
+{
+ struct intel_gt *gt;
+ int ret;
+
+ if (!is_object_gt(&dev->kobj)) {
+ int i;
+ struct drm_i915_private *i915 = kdev_minor_to_i915(dev);
+
+ for_each_gt(gt, i915, i) {
+ ret = func(gt, val);
+ if (ret)
+ break;
+ }
+ } else {
+ gt = intel_gt_sysfs_get_drvdata(dev, attr->attr.name);
+ ret = func(gt, val);
+ }
+
+ return ret;
+}
+
static u32
sysfs_gt_attribute_r_func(struct device *dev, struct device_attribute *attr,
u32 (func)(struct intel_gt *gt),
@@ -62,6 +87,7 @@ sysfs_gt_attribute_r_func(struct device *dev, struct device_attribute *attr,
#define sysfs_gt_attribute_r_min_func(d, a, f) \
sysfs_gt_attribute_r_func(d, a, f, INTEL_GT_SYSFS_MIN)
+/* Frequency interfaces will show the maximum frequency value */
#define sysfs_gt_attribute_r_max_func(d, a, f) \
sysfs_gt_attribute_r_func(d, a, f, INTEL_GT_SYSFS_MAX)
@@ -238,7 +264,264 @@ static void intel_sysfs_rc6_init(struct intel_gt *gt, struct kobject *kobj)
}
#endif /* CONFIG_PM */
+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)
+{
+ 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)
+{
+ return intel_rps_get_rpn_frequency(&gt->rps);
+}
+
+static ssize_t RPn_freq_mhz_show(struct device *dev,
+ struct device_attribute *attr, char *buff)
+{
+ u32 rpn_freq = sysfs_gt_attribute_r_max_func(dev, attr,
+ __rpn_freq_mhz_show);
+
+ return sysfs_emit(buff, "%u\n", rpn_freq);
+}
+
+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;
+
+ 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) \
+ 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_RO(RP0_freq_mhz);
+static INTEL_GT_RPS_SYSFS_ATTR_RO(RP1_freq_mhz);
+static INTEL_GT_RPS_SYSFS_ATTR_RO(RPn_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);
+
+#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)
+
+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_warn(&gt->i915->drm,
+ "failed to create gt%u RPS sysfs files (%pe)",
+ gt->info.id, ERR_PTR(ret));
}
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index 2c5d62a521f6..8521daba212a 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -156,171 +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 = &to_gt(i915)->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 = &to_gt(i915)->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 = &to_gt(i915)->rps;
-
- return sysfs_emit(buf, "%d\n", intel_rps_get_boost_frequency(rps));
-}
-
-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 = &to_gt(dev_priv)->rps;
- ssize_t ret;
- u32 val;
-
- ret = kstrtou32(buf, 0, &val);
- if (ret)
- return ret;
-
- ret = intel_rps_set_boost_frequency(rps, val);
-
- return ret ?: 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 = &to_gt(dev_priv)->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 = to_gt(dev_priv);
- struct intel_rps *rps = &gt->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 = to_gt(dev_priv);
- struct intel_rps *rps = &gt->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 = to_gt(i915);
- struct intel_rps *rps = &gt->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 = &to_gt(i915)->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 = &to_gt(dev_priv)->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,
@@ -406,14 +241,6 @@ 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 = kobject_create_and_add("gt", &kdev->kobj);
if (!dev_priv->sysfs_gt)
drm_warn(&dev_priv->drm,
@@ -430,10 +257,6 @@ 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);
}
generated by cgit (git 2.34.1) at 2025-03-24 03:11:24 +0000