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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c96
1 files changed, 0 insertions, 96 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index 0e1a11b6b989..cbef720de779 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -2026,100 +2026,6 @@ DEFINE_DEBUGFS_ATTRIBUTE(fops_ib_preempt, NULL,
DEFINE_DEBUGFS_ATTRIBUTE(fops_sclk_set, NULL,
amdgpu_debugfs_sclk_set, "%llu\n");
-static ssize_t amdgpu_reset_dump_register_list_read(struct file *f,
- char __user *buf, size_t size, loff_t *pos)
-{
- struct amdgpu_device *adev = (struct amdgpu_device *)file_inode(f)->i_private;
- char reg_offset[12];
- int i, ret, len = 0;
-
- if (*pos)
- return 0;
-
- memset(reg_offset, 0, 12);
- ret = down_read_killable(&adev->reset_domain->sem);
- if (ret)
- return ret;
-
- for (i = 0; i < adev->reset_info.num_regs; i++) {
- sprintf(reg_offset, "0x%x\n", adev->reset_info.reset_dump_reg_list[i]);
- up_read(&adev->reset_domain->sem);
- if (copy_to_user(buf + len, reg_offset, strlen(reg_offset)))
- return -EFAULT;
-
- len += strlen(reg_offset);
- ret = down_read_killable(&adev->reset_domain->sem);
- if (ret)
- return ret;
- }
-
- up_read(&adev->reset_domain->sem);
- *pos += len;
-
- return len;
-}
-
-static ssize_t amdgpu_reset_dump_register_list_write(struct file *f,
- const char __user *buf, size_t size, loff_t *pos)
-{
- struct amdgpu_device *adev = (struct amdgpu_device *)file_inode(f)->i_private;
- char reg_offset[11];
- uint32_t *new = NULL, *tmp = NULL;
- unsigned int len = 0;
- int ret, i = 0;
-
- do {
- memset(reg_offset, 0, 11);
- if (copy_from_user(reg_offset, buf + len,
- min(10, (size-len)))) {
- ret = -EFAULT;
- goto error_free;
- }
-
- new = krealloc_array(tmp, i + 1, sizeof(uint32_t), GFP_KERNEL);
- if (!new) {
- ret = -ENOMEM;
- goto error_free;
- }
- tmp = new;
- if (sscanf(reg_offset, "%X %n", &tmp[i], &ret) != 1) {
- ret = -EINVAL;
- goto error_free;
- }
-
- len += ret;
- i++;
- } while (len < size);
-
- new = kmalloc_array(i, sizeof(uint32_t), GFP_KERNEL);
- if (!new) {
- ret = -ENOMEM;
- goto error_free;
- }
- ret = down_write_killable(&adev->reset_domain->sem);
- if (ret)
- goto error_free;
-
- swap(adev->reset_info.reset_dump_reg_list, tmp);
- swap(adev->reset_info.reset_dump_reg_value, new);
- adev->reset_info.num_regs = i;
- up_write(&adev->reset_domain->sem);
- ret = size;
-
-error_free:
- if (tmp != new)
- kfree(tmp);
- kfree(new);
- return ret;
-}
-
-static const struct file_operations amdgpu_reset_dump_register_list = {
- .owner = THIS_MODULE,
- .read = amdgpu_reset_dump_register_list_read,
- .write = amdgpu_reset_dump_register_list_write,
- .llseek = default_llseek
-};
-
int amdgpu_debugfs_init(struct amdgpu_device *adev)
{
struct dentry *root = adev_to_drm(adev)->primary->debugfs_root;
@@ -2204,8 +2110,6 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev)
&amdgpu_debugfs_vm_info_fops);
debugfs_create_file("amdgpu_benchmark", 0200, root, adev,
&amdgpu_benchmark_fops);
- debugfs_create_file("amdgpu_reset_dump_register_list", 0644, root, adev,
- &amdgpu_reset_dump_register_list);
adev->debugfs_vbios_blob.data = adev->bios;
adev->debugfs_vbios_blob.size = adev->bios_size;