[PATCH 1/6] amdgpu: add flags to track sysfs initialization status

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Add flags to track sysfs initialization status, so we can correctly
clean them up on error recover paths.

Signed-off-by: Jiang Liu <gerry@xxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h        |  3 ++
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 34 +++++++++++++++++-----
 2 files changed, 30 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 22c7e9669162..e4b13e729770 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1157,6 +1157,9 @@ struct amdgpu_device {
 	bool                            in_runpm;
 	bool                            has_pr3;
 
+	bool				sysfs_en;
+	bool				fru_sysfs_en;
+	bool				reg_state_sysfs_en;
 	bool                            ucode_sysfs_en;
 
 	struct amdgpu_fru_info		*fru_info;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index d1bb9e85b6d7..3244966b0c39 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -4533,8 +4533,13 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 		adev->ucode_sysfs_en = true;
 
 	r = sysfs_create_files(&adev->dev->kobj, amdgpu_dev_attributes);
-	if (r)
+	if (r) {
 		dev_err(adev->dev, "Could not create amdgpu device attr\n");
+		adev->sysfs_en = false;
+	} else {
+		adev->sysfs_en = true;
+	}
+
 #ifdef HAVE_PCI_DRIVER_DEV_GROUPS
 	r = devm_device_add_group(adev->dev, &amdgpu_board_attrs_group);
 	if (r)
@@ -4542,8 +4547,21 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 			"Could not create amdgpu board attributes\n");
 #endif
 
-	amdgpu_fru_sysfs_init(adev);
-	amdgpu_reg_state_sysfs_init(adev);
+	r = amdgpu_fru_sysfs_init(adev);
+	if (r) {
+		dev_err(adev->dev, "Could not create amdgpu fru attr\n");
+		adev->fru_sysfs_en = false;
+	} else {
+		adev->fru_sysfs_en = true;
+	}
+
+	r = amdgpu_reg_state_sysfs_init(adev);
+	if (r) {
+		dev_err(adev->dev, "Could not create amdgpu reg state attr\n");
+		adev->reg_state_sysfs_en = false;
+	} else {
+		adev->reg_state_sysfs_en = true;
+	}
 
 	if (IS_ENABLED(CONFIG_PERF_EVENTS))
 		r = amdgpu_pmu_init(adev);
@@ -4666,10 +4684,12 @@ void amdgpu_device_fini_hw(struct amdgpu_device *adev)
 		amdgpu_pm_sysfs_fini(adev);
 	if (adev->ucode_sysfs_en)
 		amdgpu_ucode_sysfs_fini(adev);
-	sysfs_remove_files(&adev->dev->kobj, amdgpu_dev_attributes);
-	amdgpu_fru_sysfs_fini(adev);
-
-	amdgpu_reg_state_sysfs_fini(adev);
+	if (adev->sysfs_en)
+		sysfs_remove_files(&adev->dev->kobj, amdgpu_dev_attributes);
+	if (adev->fru_sysfs_en)
+		amdgpu_fru_sysfs_fini(adev);
+	if (adev->reg_state_sysfs_en)
+		amdgpu_reg_state_sysfs_fini(adev);
 
 	/* disable ras feature must before hw fini */
 	amdgpu_ras_pre_fini(adev);
-- 
2.43.5




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