drm/amdgpu: enable JPEG2.0 dpm

By using its own enabling function
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -2718,6 +2718,18 @@ void amdgpu_pm_print_power_states(struct amdgpu_device *adev)
 
 }
 
+void amdgpu_dpm_enable_jpeg(struct amdgpu_device *adev, bool enable)
+{
+	int ret = 0;
+
+	if (is_support_sw_smu(adev)) {
+		ret = smu_dpm_set_power_gate(&adev->smu, AMD_IP_BLOCK_TYPE_JPEG, enable);
+		if (ret)
+			DRM_ERROR("[SW SMU]: dpm enable jpeg failed, state = %s, ret = %d. \n",
+				  enable ? "true" : "false", ret);
+	}
+}
+
 int amdgpu_pm_virt_sysfs_init(struct amdgpu_device *adev)
 {
 	int ret = 0;

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

@@ -41,5 +41,6 @@ void amdgpu_pm_compute_clocks(struct amdgpu_device *adev);
 void amdgpu_dpm_thermal_work_handler(struct work_struct *work);
 void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable);
 void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable);
+void amdgpu_dpm_enable_jpeg(struct amdgpu_device *adev, bool enable);
 
 #endif

drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c

@@ -333,6 +333,9 @@ static int jpeg_v2_0_start(struct amdgpu_device *adev)
 	struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
 	int r;
 
+	if (adev->pm.dpm_enabled)
+		amdgpu_dpm_enable_jpeg(adev, true);
+
 	/* disable power gating */
 	r = jpeg_v2_0_disable_power_gating(adev);
 	if (r)
@@ -388,8 +391,13 @@ static int jpeg_v2_0_stop(struct amdgpu_device *adev)
 
 	/* enable power gating */
 	r = jpeg_v2_0_enable_power_gating(adev);
+	if (r)
+		return r;
 
-	return r;
+	if (adev->pm.dpm_enabled)
+		amdgpu_dpm_enable_jpeg(adev, false);
+
+	return 0;
 }
 
 /**