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drm/amd/amdgpu: cleanup coding style a bit 

There is DEVICE_ATTR mechanism in separate attribute define.
So this change is to use attr array, also use
sysfs_create_files in init function & sysfs_remove_files in
fini function.
This maybe make the code a bit readable.

Signed-off-by: Bernard Zhao <bernard@vivo.com>

Changes since V1:
*Use DEVICE_ATTR mechanism

Link for V1:
*https://lore.kernel.org/patchwork/patch/1228076/

V2: make array const to fix build errors

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Bernard Zhao 2020-05-07 02:13:05 -07:00 committed by Alex Deucher
parent e133020f92
commit ecc8c2e193
1 changed files with 13 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
View File

@ -148,6 +148,15 @@ 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[] = {
&dev_attr_mem_info_vram_total.attr,
&dev_attr_mem_info_vis_vram_total.attr,
&dev_attr_mem_info_vram_used.attr,
&dev_attr_mem_info_vis_vram_used.attr,
&dev_attr_mem_info_vram_vendor.attr,
NULL
};
/**
* amdgpu_vram_mgr_init - init VRAM manager and DRM MM
*
@ -172,31 +181,9 @@ static int amdgpu_vram_mgr_init(struct ttm_mem_type_manager *man,
man->priv = mgr;
/* Add the two VRAM-related sysfs files */
ret = device_create_file(adev->dev, &dev_attr_mem_info_vram_total);
if (ret) {
DRM_ERROR("Failed to create device file mem_info_vram_total\n");
return ret;
}
ret = device_create_file(adev->dev, &dev_attr_mem_info_vis_vram_total);
if (ret) {
DRM_ERROR("Failed to create device file mem_info_vis_vram_total\n");
return ret;
}
ret = device_create_file(adev->dev, &dev_attr_mem_info_vram_used);
if (ret) {
DRM_ERROR("Failed to create device file mem_info_vram_used\n");
return ret;
}
ret = device_create_file(adev->dev, &dev_attr_mem_info_vis_vram_used);
if (ret) {
DRM_ERROR("Failed to create device file mem_info_vis_vram_used\n");
return ret;
}
ret = device_create_file(adev->dev, &dev_attr_mem_info_vram_vendor);
if (ret) {
DRM_ERROR("Failed to create device file mem_info_vram_vendor\n");
return ret;
}
ret = sysfs_create_files(&adev->dev->kobj, amdgpu_vram_mgr_attributes);
if (ret)
DRM_ERROR("Failed to register sysfs\n");
return 0;
}
@ -219,11 +206,7 @@ static int amdgpu_vram_mgr_fini(struct ttm_mem_type_manager *man)
spin_unlock(&mgr->lock);
kfree(mgr);
man->priv = NULL;
device_remove_file(adev->dev, &dev_attr_mem_info_vram_total);
device_remove_file(adev->dev, &dev_attr_mem_info_vis_vram_total);
device_remove_file(adev->dev, &dev_attr_mem_info_vram_used);
device_remove_file(adev->dev, &dev_attr_mem_info_vis_vram_used);
device_remove_file(adev->dev, &dev_attr_mem_info_vram_vendor);
sysfs_remove_files(&adev->dev->kobj, amdgpu_vram_mgr_attributes);
return 0;
}