drm/amdgpu: Optimize amdgpu_sdma_ras_late_init/amdgpu_sdma_ras_fini function code

Optimize amdgpu_sdma_ras_late_init/amdgpu_sdma_ras_fini function code.
Signed-off-by: yipechai <YiPeng.Chai@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -90,28 +90,10 @@ int amdgpu_sdma_ras_late_init(struct amdgpu_device *adev,
 			      void *ras_ih_info)
 {
 	int r, i;
-	struct ras_ih_if *ih_info = (struct ras_ih_if *)ras_ih_info;
-	struct ras_fs_if fs_info = {
-		.sysfs_name = "sdma_err_count",
-	};
-
-	if (!ih_info)
-		return -EINVAL;
 
-	if (!adev->sdma.ras_if) {
-		adev->sdma.ras_if = kmalloc(sizeof(struct ras_common_if), GFP_KERNEL);
-		if (!adev->sdma.ras_if)
-			return -ENOMEM;
-		adev->sdma.ras_if->block = AMDGPU_RAS_BLOCK__SDMA;
-		adev->sdma.ras_if->type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
-		adev->sdma.ras_if->sub_block_index = 0;
-	}
-	fs_info.head = ih_info->head = *adev->sdma.ras_if;
-
-	r = amdgpu_ras_late_init(adev, adev->sdma.ras_if,
-				 &fs_info, ih_info);
+	r = amdgpu_ras_block_late_init(adev, adev->sdma.ras_if);
 	if (r)
-		goto free;
+		return r;
 
 	if (amdgpu_ras_is_supported(adev, adev->sdma.ras_if->block)) {
 		for (i = 0; i < adev->sdma.num_instances; i++) {
@@ -120,38 +102,20 @@ int amdgpu_sdma_ras_late_init(struct amdgpu_device *adev,
 			if (r)
 				goto late_fini;
 		}
-	} else {
-		r = 0;
-		goto free;
 	}
 
 	return 0;
 
 late_fini:
-	amdgpu_ras_late_fini(adev, adev->sdma.ras_if, ih_info);
-free:
-	kfree(adev->sdma.ras_if);
-	adev->sdma.ras_if = NULL;
+	amdgpu_ras_block_late_fini(adev, adev->sdma.ras_if);
 	return r;
 }
 
 void amdgpu_sdma_ras_fini(struct amdgpu_device *adev)
 {
 	if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA) &&
-			adev->sdma.ras_if) {
-		struct ras_common_if *ras_if = adev->sdma.ras_if;
-		struct ras_ih_if ih_info = {
-			.head = *ras_if,
-			/* the cb member will not be used by
-			 * amdgpu_ras_interrupt_remove_handler, init it only
-			 * to cheat the check in ras_late_fini
-			 */
-			.cb = amdgpu_sdma_process_ras_data_cb,
-		};
-
-		amdgpu_ras_late_fini(adev, ras_if, &ih_info);
-		kfree(ras_if);
-	}
+			adev->sdma.ras_if)
+		amdgpu_ras_block_late_fini(adev, adev->sdma.ras_if);
 }
 
 int amdgpu_sdma_process_ras_data_cb(struct amdgpu_device *adev,

drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

@@ -1885,9 +1885,6 @@ static int sdma_v4_0_process_ras_data_cb(struct amdgpu_device *adev,
 static int sdma_v4_0_late_init(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-	struct ras_ih_if ih_info = {
-		.cb = sdma_v4_0_process_ras_data_cb,
-	};
 
 	sdma_v4_0_setup_ulv(adev);
 
@@ -1898,7 +1895,7 @@ static int sdma_v4_0_late_init(void *handle)
 	}
 
 	if (adev->sdma.ras && adev->sdma.ras->ras_block.ras_late_init)
-		return adev->sdma.ras->ras_block.ras_late_init(adev, &ih_info);
+		return adev->sdma.ras->ras_block.ras_late_init(adev, NULL);
 	else
 		return 0;
 }
@@ -2802,6 +2799,7 @@ const struct amdgpu_ras_block_hw_ops sdma_v4_0_ras_hw_ops = {
 static struct amdgpu_sdma_ras sdma_v4_0_ras = {
 	.ras_block = {
 		.hw_ops = &sdma_v4_0_ras_hw_ops,
+		.ras_cb = sdma_v4_0_process_ras_data_cb,
 	},
 };
 
@@ -2824,6 +2822,8 @@ static void sdma_v4_0_set_ras_funcs(struct amdgpu_device *adev)
 
 		strcpy(adev->sdma.ras->ras_block.ras_comm.name, "sdma");
 		adev->sdma.ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__SDMA;
+		adev->sdma.ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
+		adev->sdma.ras_if = &adev->sdma.ras->ras_block.ras_comm;
 
 		/* If don't define special ras_late_init function, use default ras_late_init */
 		if (!adev->sdma.ras->ras_block.ras_late_init)
@@ -2832,6 +2832,10 @@ static void sdma_v4_0_set_ras_funcs(struct amdgpu_device *adev)
 		/* If don't define special ras_fini function, use default ras_fini */
 		if (!adev->sdma.ras->ras_block.ras_fini)
 			adev->sdma.ras->ras_block.ras_fini = amdgpu_sdma_ras_fini;
+
+		/* If not defined special ras_cb function, use default ras_cb */
+		if (!adev->sdma.ras->ras_block.ras_cb)
+			adev->sdma.ras->ras_block.ras_cb = amdgpu_sdma_process_ras_data_cb;
 	}
 }