drm/amd/powerplay: implement dpm enable functions of uvd & vce for smu

add function of dpm enable uvd & vce for extern module use.
Signed-off-by: Kevin Wang <kevin1.wang@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>

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

@@ -2347,7 +2347,13 @@ static void amdgpu_dpm_change_power_state_locked(struct amdgpu_device *adev)
 
 void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable)
 {
-	if (adev->powerplay.pp_funcs->set_powergating_by_smu) {
+	int ret = 0;
+	if (is_support_sw_smu(adev)) {
+	    ret = smu_dpm_set_power_gate(&adev->smu, AMD_IP_BLOCK_TYPE_UVD, enable);
+	    if (ret)
+		DRM_ERROR("[SW SMU]: dpm enable uvd failed, state = %s, ret = %d. \n",
+			  enable ? "true" : "false", ret);
+	} else if (adev->powerplay.pp_funcs->set_powergating_by_smu) {
 		/* enable/disable UVD */
 		mutex_lock(&adev->pm.mutex);
 		amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_UVD, !enable);
@@ -2368,7 +2374,13 @@ void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable)
 
 void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable)
 {
-	if (adev->powerplay.pp_funcs->set_powergating_by_smu) {
+	int ret = 0;
+	if (is_support_sw_smu(adev)) {
+	    ret = smu_dpm_set_power_gate(&adev->smu, AMD_IP_BLOCK_TYPE_VCE, enable);
+	    if (ret)
+		DRM_ERROR("[SW SMU]: dpm enable vce failed, state = %s, ret = %d. \n",
+			  enable ? "true" : "false", ret);
+	} else if (adev->powerplay.pp_funcs->set_powergating_by_smu) {
 		/* enable/disable VCE */
 		mutex_lock(&adev->pm.mutex);
 		amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_VCE, !enable);

drivers/gpu/drm/amd/powerplay/amdgpu_smu.c

@@ -29,6 +29,25 @@
 #include "smu_v11_0.h"
 #include "atom.h"
 
+int smu_dpm_set_power_gate(struct smu_context *smu, uint32_t block_type,
+			   bool gate)
+{
+	int ret = 0;
+
+	switch (block_type) {
+	case AMD_IP_BLOCK_TYPE_UVD:
+		ret = smu_dpm_set_uvd_enable(smu, gate);
+		break;
+	case AMD_IP_BLOCK_TYPE_VCE:
+		ret = smu_dpm_set_vce_enable(smu, gate);
+		break;
+	default:
+		break;
+	}
+
+	return ret;
+}
+
 enum amd_pm_state_type smu_get_current_power_state(struct smu_context *smu)
 {
 	/* not support power state */

drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h

@@ -698,5 +698,5 @@ extern int smu_display_configuration_change(struct smu_context *smu, const
 					    *display_config);
 extern int smu_get_current_clocks(struct smu_context *smu,
 				  struct amd_pp_clock_info *clocks);
-
+extern int smu_dpm_set_power_gate(struct smu_context *smu,uint32_t block_type, bool gate);
 #endif