there is ras_ctrl node which can do the job.
Signed-off-by: xinhui pan <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 42 +------------------------
1 file changed, 1 insertion(+), 41 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 1e243e16c560..469cb6477b8e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -157,50 +157,10 @@ static ssize_t amdgpu_ras_debugfs_read(struct file *f,
char __user *buf,
return s;
}
-static ssize_t amdgpu_ras_debugfs_write(struct file *f, const char __user *buf,
- size_t size, loff_t *pos)
-{
- struct ras_manager *obj = (struct ras_manager
*)file_inode(f)->i_private;
- struct ras_inject_if info = {
- .head = obj->head,
- };
- ssize_t s = min_t(u64, 64, size);
- char val[64];
- char *str = val;
- memset(val, 0, sizeof(val));
-
- if (*pos)
- return -EINVAL;
-
- if (copy_from_user(str, buf, s))
- return -EINVAL;
-
- /* only care ue/ce for now. */
- if (memcmp(str, "ue", 2) == 0) {
- info.head.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
- str += 2;
- } else if (memcmp(str, "ce", 2) == 0) {
- info.head.type = AMDGPU_RAS_ERROR__SINGLE_CORRECTABLE;
- str += 2;
- }
-
- if (sscanf(str, "0x%llx 0x%llx", &info.address, &info.value) != 2) {
- if (sscanf(str, "%llu %llu", &info.address, &info.value) != 2)
- return -EINVAL;
- }
-
- *pos = s;
-
- if (amdgpu_ras_error_inject(obj->adev, &info))
- return -EINVAL;
-
- return size;
-}
-
static const struct file_operations amdgpu_ras_debugfs_ops = {
.owner = THIS_MODULE,
.read = amdgpu_ras_debugfs_read,
- .write = amdgpu_ras_debugfs_write,
+ .write = NULL,
.llseek = default_llseek
};
--
2.17.1
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