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path: root/drivers/gpu/drm/amd/pm/amdgpu_pm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_pm.c')
-rw-r--r--drivers/gpu/drm/amd/pm/amdgpu_pm.c127
1 files changed, 125 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index bf6d63673b5a..58c2246918fd 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -91,6 +91,8 @@ const char * const amdgpu_pp_profile_name[] = {
"COMPUTE",
"CUSTOM",
"WINDOW_3D",
+ "CAPPED",
+ "UNCAPPED",
};
/**
@@ -1178,6 +1180,21 @@ static ssize_t amdgpu_set_pp_dpm_vclk(struct device *dev,
return amdgpu_set_pp_dpm_clock(dev, PP_VCLK, buf, count);
}
+static ssize_t amdgpu_get_pp_dpm_vclk1(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return amdgpu_get_pp_dpm_clock(dev, PP_VCLK1, buf);
+}
+
+static ssize_t amdgpu_set_pp_dpm_vclk1(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ return amdgpu_set_pp_dpm_clock(dev, PP_VCLK1, buf, count);
+}
+
static ssize_t amdgpu_get_pp_dpm_dclk(struct device *dev,
struct device_attribute *attr,
char *buf)
@@ -1193,6 +1210,21 @@ static ssize_t amdgpu_set_pp_dpm_dclk(struct device *dev,
return amdgpu_set_pp_dpm_clock(dev, PP_DCLK, buf, count);
}
+static ssize_t amdgpu_get_pp_dpm_dclk1(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return amdgpu_get_pp_dpm_clock(dev, PP_DCLK1, buf);
+}
+
+static ssize_t amdgpu_set_pp_dpm_dclk1(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ return amdgpu_set_pp_dpm_clock(dev, PP_DCLK1, buf, count);
+}
+
static ssize_t amdgpu_get_pp_dpm_dcefclk(struct device *dev,
struct device_attribute *attr,
char *buf)
@@ -1686,6 +1718,82 @@ static ssize_t amdgpu_set_thermal_throttling_logging(struct device *dev,
}
/**
+ * DOC: apu_thermal_cap
+ *
+ * The amdgpu driver provides a sysfs API for retrieving/updating thermal
+ * limit temperature in millidegrees Celsius
+ *
+ * Reading back the file shows you core limit value
+ *
+ * Writing an integer to the file, sets a new thermal limit. The value
+ * should be between 0 and 100. If the value is less than 0 or greater
+ * than 100, then the write request will be ignored.
+ */
+static ssize_t amdgpu_get_apu_thermal_cap(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int ret, size;
+ u32 limit;
+ struct drm_device *ddev = dev_get_drvdata(dev);
+ struct amdgpu_device *adev = drm_to_adev(ddev);
+
+ ret = pm_runtime_get_sync(ddev->dev);
+ if (ret < 0) {
+ pm_runtime_put_autosuspend(ddev->dev);
+ return ret;
+ }
+
+ ret = amdgpu_dpm_get_apu_thermal_limit(adev, &limit);
+ if (!ret)
+ size = sysfs_emit(buf, "%u\n", limit);
+ else
+ size = sysfs_emit(buf, "failed to get thermal limit\n");
+
+ pm_runtime_mark_last_busy(ddev->dev);
+ pm_runtime_put_autosuspend(ddev->dev);
+
+ return size;
+}
+
+static ssize_t amdgpu_set_apu_thermal_cap(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ int ret;
+ u32 value;
+ struct drm_device *ddev = dev_get_drvdata(dev);
+ struct amdgpu_device *adev = drm_to_adev(ddev);
+
+ ret = kstrtou32(buf, 10, &value);
+ if (ret)
+ return ret;
+
+ if (value > 100) {
+ dev_err(dev, "Invalid argument !\n");
+ return -EINVAL;
+ }
+
+ ret = pm_runtime_get_sync(ddev->dev);
+ if (ret < 0) {
+ pm_runtime_put_autosuspend(ddev->dev);
+ return ret;
+ }
+
+ ret = amdgpu_dpm_set_apu_thermal_limit(adev, value);
+ if (ret) {
+ dev_err(dev, "failed to update thermal limit\n");
+ return ret;
+ }
+
+ pm_runtime_mark_last_busy(ddev->dev);
+ pm_runtime_put_autosuspend(ddev->dev);
+
+ return count;
+}
+
+/**
* DOC: gpu_metrics
*
* The amdgpu driver provides a sysfs API for retrieving current gpu
@@ -1924,7 +2032,9 @@ static struct amdgpu_device_attr amdgpu_device_attrs[] = {
AMDGPU_DEVICE_ATTR_RW(pp_dpm_socclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
AMDGPU_DEVICE_ATTR_RW(pp_dpm_fclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
AMDGPU_DEVICE_ATTR_RW(pp_dpm_vclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
+ AMDGPU_DEVICE_ATTR_RW(pp_dpm_vclk1, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
AMDGPU_DEVICE_ATTR_RW(pp_dpm_dclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
+ AMDGPU_DEVICE_ATTR_RW(pp_dpm_dclk1, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
AMDGPU_DEVICE_ATTR_RW(pp_dpm_dcefclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
AMDGPU_DEVICE_ATTR_RW(pp_dpm_pcie, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
AMDGPU_DEVICE_ATTR_RW(pp_sclk_od, ATTR_FLAG_BASIC),
@@ -1937,6 +2047,7 @@ static struct amdgpu_device_attr amdgpu_device_attrs[] = {
AMDGPU_DEVICE_ATTR_RW(pp_features, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
AMDGPU_DEVICE_ATTR_RO(unique_id, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
AMDGPU_DEVICE_ATTR_RW(thermal_throttling_logging, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
+ AMDGPU_DEVICE_ATTR_RW(apu_thermal_cap, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
AMDGPU_DEVICE_ATTR_RO(gpu_metrics, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
AMDGPU_DEVICE_ATTR_RO(smartshift_apu_power, ATTR_FLAG_BASIC,
.attr_update = ss_power_attr_update),
@@ -2012,6 +2123,12 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
gc_ver == IP_VERSION(11, 0, 2) ||
gc_ver == IP_VERSION(11, 0, 3)))
*states = ATTR_STATE_UNSUPPORTED;
+ } else if (DEVICE_ATTR_IS(pp_dpm_vclk1)) {
+ if (!((gc_ver == IP_VERSION(10, 3, 1) ||
+ gc_ver == IP_VERSION(10, 3, 0) ||
+ gc_ver == IP_VERSION(11, 0, 2) ||
+ gc_ver == IP_VERSION(11, 0, 3)) && adev->vcn.num_vcn_inst >= 2))
+ *states = ATTR_STATE_UNSUPPORTED;
} else if (DEVICE_ATTR_IS(pp_dpm_dclk)) {
if (!(gc_ver == IP_VERSION(10, 3, 1) ||
gc_ver == IP_VERSION(10, 3, 0) ||
@@ -2020,6 +2137,12 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
gc_ver == IP_VERSION(11, 0, 2) ||
gc_ver == IP_VERSION(11, 0, 3)))
*states = ATTR_STATE_UNSUPPORTED;
+ } else if (DEVICE_ATTR_IS(pp_dpm_dclk1)) {
+ if (!((gc_ver == IP_VERSION(10, 3, 1) ||
+ gc_ver == IP_VERSION(10, 3, 0) ||
+ gc_ver == IP_VERSION(11, 0, 2) ||
+ gc_ver == IP_VERSION(11, 0, 3)) && adev->vcn.num_vcn_inst >= 2))
+ *states = ATTR_STATE_UNSUPPORTED;
} else if (DEVICE_ATTR_IS(pp_power_profile_mode)) {
if (amdgpu_dpm_get_power_profile_mode(adev, NULL) == -EOPNOTSUPP)
*states = ATTR_STATE_UNSUPPORTED;
@@ -3272,7 +3395,7 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't manage state */
effective_mode &= ~S_IWUSR;
- /* not implemented yet for GC 10.3.1 APUs */
+ /* In the case of APUs, this is only implemented on Vangogh */
if (((adev->family == AMDGPU_FAMILY_SI) ||
((adev->flags & AMD_IS_APU) && (gc_ver != IP_VERSION(10, 3, 1)))) &&
(attr == &sensor_dev_attr_power1_cap_max.dev_attr.attr ||
@@ -3281,7 +3404,7 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
attr == &sensor_dev_attr_power1_cap_default.dev_attr.attr))
return 0;
- /* not implemented yet for APUs having <= GC 9.3.0 */
+ /* not implemented yet for APUs having < GC 9.3.0 (Renoir) */
if (((adev->family == AMDGPU_FAMILY_SI) ||
((adev->flags & AMD_IS_APU) && (gc_ver < IP_VERSION(9, 3, 0)))) &&
(attr == &sensor_dev_attr_power1_average.dev_attr.attr))
generated by cgit v1.2.3-70-g09d2 (git 2.51.1) at 2025-11-04 12:08:08 +0000