drm/amdgpu: remove per obj debugfs write (190211ab) · Commits · 戴 / test

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

+1 −41

Original line number	Diff line number	Diff line
		@@ -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
		};