drm/amd/pm: avoid to load smu firmware for APUs

Certain call paths still load the SMU firmware for APUs,
which needs to be skipped.
Signed-off-by: Tim Huang <Tim.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c

@@ -7324,11 +7324,9 @@ static int gfx_v10_0_hw_init(void *handle)
 		 * loaded firstly, so in direct type, it has to load smc ucode
 		 * here before rlc.
 		 */
-		if (!(adev->flags & AMD_IS_APU)) {
-			r = amdgpu_pm_load_smu_firmware(adev, NULL);
-			if (r)
-				return r;
-		}
+		r = amdgpu_pm_load_smu_firmware(adev, NULL);
+		if (r)
+			return r;
 		gfx_v10_0_disable_gpa_mode(adev);
 	}
 

drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c

@@ -4558,11 +4558,9 @@ static int gfx_v11_0_hw_init(void *handle)
 		 * loaded firstly, so in direct type, it has to load smc ucode
 		 * here before rlc.
 		 */
-		if (!(adev->flags & AMD_IS_APU)) {
-			r = amdgpu_pm_load_smu_firmware(adev, NULL);
-			if (r)
-				return r;
-		}
+		r = amdgpu_pm_load_smu_firmware(adev, NULL);
+		if (r)
+			return r;
 	}
 
 	gfx_v11_0_constants_init(adev);

drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c

@@ -3306,11 +3306,9 @@ static int gfx_v12_0_hw_init(void *handle)
 		 * loaded firstly, so in direct type, it has to load smc ucode
 		 * here before rlc.
 		 */
-		if (!(adev->flags & AMD_IS_APU)) {
-			r = amdgpu_pm_load_smu_firmware(adev, NULL);
-			if (r)
-				return r;
-		}
+		r = amdgpu_pm_load_smu_firmware(adev, NULL);
+		if (r)
+			return r;
 	}
 
 	gfx_v12_0_constants_init(adev);

drivers/gpu/drm/amd/pm/amdgpu_dpm.c

@@ -618,7 +618,7 @@ int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_versio
 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
 	int r = 0;
 
-	if (!pp_funcs || !pp_funcs->load_firmware)
+	if (!pp_funcs || !pp_funcs->load_firmware || adev->flags & AMD_IS_APU)
 		return 0;
 
 	mutex_lock(&adev->pm.mutex);