1 files changed, 53 insertions, 10 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 43f44cc201cb..3e94c3ba1ba2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -294,21 +294,12 @@ bool amdgpu_vcn_is_disabled_vcn(struct amdgpu_device *adev, enum vcn_ring_type t
 	return ret;
 }
 
-int amdgpu_vcn_suspend(struct amdgpu_device *adev)
+int amdgpu_vcn_save_vcpu_bo(struct amdgpu_device *adev)
 {
 	unsigned int size;
 	void *ptr;
 	int i, idx;
 
-	bool in_ras_intr = amdgpu_ras_intr_triggered();
-
-	cancel_delayed_work_sync(&adev->vcn.idle_work);
-
-	/* err_event_athub will corrupt VCPU buffer, so we need to
-	 * restore fw data and clear buffer in amdgpu_vcn_resume() */
-	if (in_ras_intr)
-		return 0;
-
 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
 		if (adev->vcn.harvest_config & (1 << i))
 			continue;
@@ -327,9 +318,24 @@ int amdgpu_vcn_suspend(struct amdgpu_device *adev)
 			drm_dev_exit(idx);
 		}
 	}
+
 	return 0;
 }
 
+int amdgpu_vcn_suspend(struct amdgpu_device *adev)
+{
+	bool in_ras_intr = amdgpu_ras_intr_triggered();
+
+	cancel_delayed_work_sync(&adev->vcn.idle_work);
+
+	/* err_event_athub will corrupt VCPU buffer, so we need to
+	 * restore fw data and clear buffer in amdgpu_vcn_resume() */
+	if (in_ras_intr)
+		return 0;
+
+	return amdgpu_vcn_save_vcpu_bo(adev);
+}
+
 int amdgpu_vcn_resume(struct amdgpu_device *adev)
 {
 	unsigned int size;
@@ -1277,3 +1283,40 @@ int amdgpu_vcn_psp_update_sram(struct amdgpu_device *adev, int inst_idx,
 
 	return psp_execute_ip_fw_load(&adev->psp, &ucode);
 }
+
+static ssize_t amdgpu_get_vcn_reset_mask(struct device *dev,
+						struct device_attribute *attr,
+						char *buf)
+{
+	struct drm_device *ddev = dev_get_drvdata(dev);
+	struct amdgpu_device *adev = drm_to_adev(ddev);
+
+	if (!adev)
+		return -ENODEV;
+
+	return amdgpu_show_reset_mask(buf, adev->vcn.supported_reset);
+}
+
+static DEVICE_ATTR(vcn_reset_mask, 0444,
+		   amdgpu_get_vcn_reset_mask, NULL);
+
+int amdgpu_vcn_sysfs_reset_mask_init(struct amdgpu_device *adev)
+{
+	int r = 0;
+
+	if (adev->vcn.num_vcn_inst) {
+		r = device_create_file(adev->dev, &dev_attr_vcn_reset_mask);
+		if (r)
+			return r;
+	}
+
+	return r;
+}
+
+void amdgpu_vcn_sysfs_reset_mask_fini(struct amdgpu_device *adev)
+{
+	if (adev->dev->kobj.sd) {
+		if (adev->vcn.num_vcn_inst)
+			device_remove_file(adev->dev, &dev_attr_vcn_reset_mask);
+	}
+}