This allows to remove explicit creation and destruction
of those attrs and by this avoids warnings on device
finalizing post physical device extraction.

v5: Use newly added pci_driver.dev_groups directly

Signed-off-by: Andrey Grodzovsky <andrey.grodzov...@amd.com>
Acked-by: Christian König <christian.koe...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 17 ++++++-------
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c      | 13 ++++++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c  | 25 ++++++++------------
 drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 14 ++++-------
 4 files changed, 37 insertions(+), 32 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
index 494b2e1717d5..879ed3e50a6e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
@@ -1768,6 +1768,15 @@ static ssize_t amdgpu_atombios_get_vbios_version(struct 
device *dev,
 static DEVICE_ATTR(vbios_version, 0444, amdgpu_atombios_get_vbios_version,
                   NULL);
 
+static struct attribute *amdgpu_vbios_version_attrs[] = {
+       &dev_attr_vbios_version.attr,
+       NULL
+};
+
+const struct attribute_group amdgpu_vbios_version_attr_group = {
+       .attrs = amdgpu_vbios_version_attrs
+};
+
 /**
  * amdgpu_atombios_fini - free the driver info and callbacks for atombios
  *
@@ -1787,7 +1796,6 @@ void amdgpu_atombios_fini(struct amdgpu_device *adev)
        adev->mode_info.atom_context = NULL;
        kfree(adev->mode_info.atom_card_info);
        adev->mode_info.atom_card_info = NULL;
-       device_remove_file(adev->dev, &dev_attr_vbios_version);
 }
 
 /**
@@ -1804,7 +1812,6 @@ int amdgpu_atombios_init(struct amdgpu_device *adev)
 {
        struct card_info *atom_card_info =
            kzalloc(sizeof(struct card_info), GFP_KERNEL);
-       int ret;
 
        if (!atom_card_info)
                return -ENOMEM;
@@ -1833,12 +1840,6 @@ int amdgpu_atombios_init(struct amdgpu_device *adev)
                amdgpu_atombios_allocate_fb_scratch(adev);
        }
 
-       ret = device_create_file(adev->dev, &dev_attr_vbios_version);
-       if (ret) {
-               DRM_ERROR("Failed to create device file for VBIOS version\n");
-               return ret;
-       }
-
        return 0;
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 5ebed4c7d9c0..83006f45b10b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -1766,6 +1766,18 @@ static struct pci_error_handlers amdgpu_pci_err_handler 
= {
        .resume         = amdgpu_pci_resume,
 };
 
+extern const struct attribute_group amdgpu_vram_mgr_attr_group;
+extern const struct attribute_group amdgpu_gtt_mgr_attr_group;
+extern const struct attribute_group amdgpu_vbios_version_attr_group;
+
+static const struct attribute_group *amdgpu_sysfs_groups[] = {
+       &amdgpu_vram_mgr_attr_group,
+       &amdgpu_gtt_mgr_attr_group,
+       &amdgpu_vbios_version_attr_group,
+       NULL,
+};
+
+
 static struct pci_driver amdgpu_kms_pci_driver = {
        .name = DRIVER_NAME,
        .id_table = pciidlist,
@@ -1774,6 +1786,7 @@ static struct pci_driver amdgpu_kms_pci_driver = {
        .shutdown = amdgpu_pci_shutdown,
        .driver.pm = &amdgpu_pm_ops,
        .err_handler = &amdgpu_pci_err_handler,
+       .dev_groups = amdgpu_sysfs_groups,
 };
 
 static int __init amdgpu_init(void)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
index 72962de4c04c..a4404da8ca6d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
@@ -75,6 +75,16 @@ static DEVICE_ATTR(mem_info_gtt_total, S_IRUGO,
 static DEVICE_ATTR(mem_info_gtt_used, S_IRUGO,
                   amdgpu_mem_info_gtt_used_show, NULL);
 
+static struct attribute *amdgpu_gtt_mgr_attributes[] = {
+       &dev_attr_mem_info_gtt_total.attr,
+       &dev_attr_mem_info_gtt_used.attr,
+       NULL
+};
+
+const struct attribute_group amdgpu_gtt_mgr_attr_group = {
+       .attrs = amdgpu_gtt_mgr_attributes
+};
+
 static const struct ttm_resource_manager_func amdgpu_gtt_mgr_func;
 /**
  * amdgpu_gtt_mgr_init - init GTT manager and DRM MM
@@ -89,7 +99,6 @@ int amdgpu_gtt_mgr_init(struct amdgpu_device *adev, uint64_t 
gtt_size)
        struct amdgpu_gtt_mgr *mgr = &adev->mman.gtt_mgr;
        struct ttm_resource_manager *man = &mgr->manager;
        uint64_t start, size;
-       int ret;
 
        man->use_tt = true;
        man->func = &amdgpu_gtt_mgr_func;
@@ -102,17 +111,6 @@ int amdgpu_gtt_mgr_init(struct amdgpu_device *adev, 
uint64_t gtt_size)
        spin_lock_init(&mgr->lock);
        atomic64_set(&mgr->available, gtt_size >> PAGE_SHIFT);
 
-       ret = device_create_file(adev->dev, &dev_attr_mem_info_gtt_total);
-       if (ret) {
-               DRM_ERROR("Failed to create device file mem_info_gtt_total\n");
-               return ret;
-       }
-       ret = device_create_file(adev->dev, &dev_attr_mem_info_gtt_used);
-       if (ret) {
-               DRM_ERROR("Failed to create device file mem_info_gtt_used\n");
-               return ret;
-       }
-
        ttm_set_driver_manager(&adev->mman.bdev, TTM_PL_TT, &mgr->manager);
        ttm_resource_manager_set_used(man, true);
        return 0;
@@ -142,9 +140,6 @@ void amdgpu_gtt_mgr_fini(struct amdgpu_device *adev)
        drm_mm_takedown(&mgr->mm);
        spin_unlock(&mgr->lock);
 
-       device_remove_file(adev->dev, &dev_attr_mem_info_gtt_total);
-       device_remove_file(adev->dev, &dev_attr_mem_info_gtt_used);
-
        ttm_resource_manager_cleanup(man);
        ttm_set_driver_manager(&adev->mman.bdev, TTM_PL_TT, NULL);
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index 2344aba9dca3..8543d6486018 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -152,7 +152,7 @@ static DEVICE_ATTR(mem_info_vis_vram_used, S_IRUGO,
 static DEVICE_ATTR(mem_info_vram_vendor, S_IRUGO,
                   amdgpu_mem_info_vram_vendor, NULL);
 
-static const struct attribute *amdgpu_vram_mgr_attributes[] = {
+static struct attribute *amdgpu_vram_mgr_attributes[] = {
        &dev_attr_mem_info_vram_total.attr,
        &dev_attr_mem_info_vis_vram_total.attr,
        &dev_attr_mem_info_vram_used.attr,
@@ -161,6 +161,10 @@ static const struct attribute 
*amdgpu_vram_mgr_attributes[] = {
        NULL
 };
 
+const struct attribute_group amdgpu_vram_mgr_attr_group = {
+       .attrs = amdgpu_vram_mgr_attributes
+};
+
 static const struct ttm_resource_manager_func amdgpu_vram_mgr_func;
 
 /**
@@ -174,7 +178,6 @@ int amdgpu_vram_mgr_init(struct amdgpu_device *adev)
 {
        struct amdgpu_vram_mgr *mgr = &adev->mman.vram_mgr;
        struct ttm_resource_manager *man = &mgr->manager;
-       int ret;
 
        ttm_resource_manager_init(man, adev->gmc.real_vram_size >> PAGE_SHIFT);
 
@@ -185,11 +188,6 @@ int amdgpu_vram_mgr_init(struct amdgpu_device *adev)
        INIT_LIST_HEAD(&mgr->reservations_pending);
        INIT_LIST_HEAD(&mgr->reserved_pages);
 
-       /* Add the two VRAM-related sysfs files */
-       ret = sysfs_create_files(&adev->dev->kobj, amdgpu_vram_mgr_attributes);
-       if (ret)
-               DRM_ERROR("Failed to register sysfs\n");
-
        ttm_set_driver_manager(&adev->mman.bdev, TTM_PL_VRAM, &mgr->manager);
        ttm_resource_manager_set_used(man, true);
        return 0;
@@ -227,8 +225,6 @@ void amdgpu_vram_mgr_fini(struct amdgpu_device *adev)
        drm_mm_takedown(&mgr->mm);
        spin_unlock(&mgr->lock);
 
-       sysfs_remove_files(&adev->dev->kobj, amdgpu_vram_mgr_attributes);
-
        ttm_resource_manager_cleanup(man);
        ttm_set_driver_manager(&adev->mman.bdev, TTM_PL_VRAM, NULL);
 }
-- 
2.25.1

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