On Thu, Mar 21, 2019 at 3:30 AM Pan, Xinhui <Xinhui.Pan@xxxxxxx> wrote:
>
> there is ras_ctrl node which can do the job.
>
> Signed-off-by: xinhui pan <xinhui.pan@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> 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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