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authorAsad Kamal <asad.kamal@amd.com>2025-10-20 03:26:01 +0800
committerAlex Deucher <alexander.deucher@amd.com>2025-11-11 21:54:16 -0500
commit12c958d1db36bcb87467e6a6273f5a56429a0d02 (patch)
treed5af217e89b68092da10fe8c83e040fcd55540da /drivers/gpu/drm/amd/pm/amdgpu_pm.c
parentd88edb246045d3b488f00d0854764cce829c1824 (diff)
drm/amd/pm: Expose ppt1 limit for gc_v9_5_0
Expose power2_cap hwmon node for retrieving and configuring ppt1 limit on supported boards for gc_v9_5_0 v2: Remove version check (Lijo) v3: Remove power2_average (Lijo) v4: Put back power2_average, will be removed separately (Lijo) Signed-off-by: Asad Kamal <asad.kamal@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_pm.c')
-rw-r--r--drivers/gpu/drm/amd/pm/amdgpu_pm.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 40ffaced74fd..c0e497e6b2f6 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -3372,7 +3372,9 @@ static ssize_t amdgpu_hwmon_show_power_label(struct device *dev,
to_sensor_dev_attr(attr)->index == PP_PWR_TYPE_FAST ?
"fastPPT" : "slowPPT");
else
- return sysfs_emit(buf, "PPT\n");
+ return sysfs_emit(buf, "%s\n",
+ to_sensor_dev_attr(attr)->index == PP_PWR_TYPE_FAST ?
+ "PPT1" : "PPT");
}
static ssize_t amdgpu_hwmon_set_power_cap(struct device *dev,
@@ -3825,13 +3827,15 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
return 0;
/* only Vangogh has fast PPT limit and power labels */
- if (!(gc_ver == IP_VERSION(10, 3, 1)) &&
- (attr == &sensor_dev_attr_power2_average.dev_attr.attr ||
+ if ((attr == &sensor_dev_attr_power2_average.dev_attr.attr ||
attr == &sensor_dev_attr_power2_cap_max.dev_attr.attr ||
attr == &sensor_dev_attr_power2_cap_min.dev_attr.attr ||
attr == &sensor_dev_attr_power2_cap.dev_attr.attr ||
attr == &sensor_dev_attr_power2_cap_default.dev_attr.attr ||
- attr == &sensor_dev_attr_power2_label.dev_attr.attr))
+ attr == &sensor_dev_attr_power2_label.dev_attr.attr) &&
+ (amdgpu_dpm_get_power_limit(adev, &tmp,
+ PP_PWR_LIMIT_MAX,
+ PP_PWR_TYPE_FAST) == -EOPNOTSUPP))
return 0;
return effective_mode;