drm/amd/powerplay: move maximum sustainable clock retrieving to .hw_init

Since DAL settings come between .hw_init and .late_init of SMU. And
DAL needs to know the maximum sustainable clocks.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reported-and-Tested-by: Flora Cui <flora.cui@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 725ac90..6beae3b 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -819,12 +819,6 @@ static int smu_late_init(void *handle)
                return ret;
        }
 
-       ret = smu_init_max_sustainable_clocks(smu);
-       if (ret) {
-               dev_err(adev->dev, "Failed to init max sustainable clocks!\n");
-               return ret;
-       }
-
        ret = smu_populate_umd_state_clk(smu);
        if (ret) {
                dev_err(adev->dev, "Failed to populate UMD state clocks!\n");
@@ -1364,6 +1358,19 @@ static int smu_hw_init(void *handle)
                return ret;
        }
 
+       /*
+        * Move maximum sustainable clock retrieving here considering
+        * 1. It is not needed on resume(from S3).
+        * 2. DAL settings come between .hw_init and .late_init of SMU.
+        *    And DAL needs to know the maximum sustainable clocks. Thus
+        *    it cannot be put in .late_init().
+        */
+       ret = smu_init_max_sustainable_clocks(smu);
+       if (ret) {
+               dev_err(adev->dev, "Failed to init max sustainable clocks!\n");
+               return ret;
+       }
+
        adev->pm.dpm_enabled = true;
 
        dev_info(adev->dev, "SMU is initialized successfully!\n");