drm/amdgpu: Show vram vendor only if available

Ony if vram vendor info is available, show in sysfs.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.7.x

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index 08916538a615ff3d072eb5241a97495795c7e32a..8db880244324ff1077ff3d87c20b7387ecd8b74b 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -221,8 +221,23 @@ static struct attribute *amdgpu_vram_mgr_attributes[] = {
        NULL
 };
 
+static umode_t amdgpu_vram_attrs_is_visible(struct kobject *kobj,
+                                           struct attribute *attr, int i)
+{
+       struct device *dev = kobj_to_dev(kobj);
+       struct drm_device *ddev = dev_get_drvdata(dev);
+       struct amdgpu_device *adev = drm_to_adev(ddev);
+
+       if (attr == &dev_attr_mem_info_vram_vendor.attr &&
+           !adev->gmc.vram_vendor)
+               return 0;
+
+       return attr->mode;
+}
+
 const struct attribute_group amdgpu_vram_mgr_attr_group = {
-       .attrs = amdgpu_vram_mgr_attributes
+       .attrs = amdgpu_vram_mgr_attributes,
+       .is_visible = amdgpu_vram_attrs_is_visible
 };
 
 /**