diff options
| author | Guchun Chen <guchun.chen@amd.com> | 2020-08-04 15:05:01 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-08-14 16:12:47 -0400 |
| commit | 66459e1db2f8b6f7cdfe0d091345b56d12348d0d (patch) | |
| tree | bc9e4bb441bf224795401a2788c10e2c1fad3e02 /drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | |
| parent | f75e94d86829e92a758a26fc5bbdb4c9eba86260 (diff) | |
| download | linux-66459e1db2f8b6f7cdfe0d091345b56d12348d0d.tar.bz2 | |
drm/amdgpu: add debugfs node to toggle ras error cnt harvest
Before ras recovery is issued, user could operate this debugfs
node to enable/disable the harvest of all RAS IPs' ras error
count registers, which will help keep hardware's registers'
status instead of cleaning up them.
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Dennis Li <Dennis.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index fbe464c68e5b..2d1fad1abf7a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -1215,6 +1215,13 @@ static void amdgpu_ras_debugfs_create_ctrl_node(struct amdgpu_device *adev) */ debugfs_create_bool("auto_reboot", S_IWUGO | S_IRUGO, con->dir, &con->reboot); + + /* + * User could set this not to clean up hardware's error count register + * of RAS IPs during ras recovery. + */ + debugfs_create_bool("disable_ras_err_cnt_harvest", 0644, + con->dir, &con->disable_ras_err_cnt_harvest); } void amdgpu_ras_debugfs_create(struct amdgpu_device *adev, |