drm/amd/powerplay: implement power_dpm_force_performance_level for SMU11

add get_performance_level and force_performance_level
to implement the sys interface for SMU11.

Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 20 insertions, 3 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 694d85b0f0a0..77d946f8fca5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -264,7 +264,9 @@ static ssize_t amdgpu_get_dpm_forced_performance_level(struct device *dev,
              (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
                 return snprintf(buf, PAGE_SIZE, "off\n");
 
-        if (adev->powerplay.pp_funcs->get_performance_level)
+        if (is_support_sw_smu(adev))
+                level = smu_get_performance_level(&adev->smu);
+        else if (adev->powerplay.pp_funcs->get_performance_level)
                 level = amdgpu_dpm_get_performance_level(adev);
         else
                 level = adev->pm.dpm.forced_level;
@@ -297,7 +299,9 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
              (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
                 return -EINVAL;
 
-        if (adev->powerplay.pp_funcs->get_performance_level)
+        if (is_support_sw_smu(adev))
+                current_level = smu_get_performance_level(&adev->smu);
+        else if (adev->powerplay.pp_funcs->get_performance_level)
                 current_level = amdgpu_dpm_get_performance_level(adev);
 
         if (strncmp("low", buf, strlen("low")) == 0) {
@@ -326,7 +330,20 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
         if (current_level == level)
                 return count;
 
-        if (adev->powerplay.pp_funcs->force_performance_level) {
+        if (is_support_sw_smu(adev)) {
+                mutex_lock(&adev->pm.mutex);
+                if (adev->pm.dpm.thermal_active) {
+                        count = -EINVAL;
+                        mutex_unlock(&adev->pm.mutex);
+                        goto fail;
+                }
+                ret = smu_force_performance_level(&adev->smu, level);
+                if (ret)
+                        count = -EINVAL;
+                else
+                        adev->pm.dpm.forced_level = level;
+                mutex_unlock(&adev->pm.mutex);
+        } else if (adev->powerplay.pp_funcs->force_performance_level) {
                 mutex_lock(&adev->pm.mutex);
                 if (adev->pm.dpm.thermal_active) {
                         count = -EINVAL;