[AMD Official Use Only - Internal Distribution Only]
Reviewed-by: DennisLi <[email protected]> Best Regards Dennis Li -----Original Message----- From: Chen, Guchun <[email protected]> Sent: Monday, August 10, 2020 1:23 PM To: [email protected]; Zhang, Hawking <[email protected]>; Li, Dennis <[email protected]>; Lazar, Lijo <[email protected]>; Zhou1, Tao <[email protected]>; Clements, John <[email protected]> Cc: Chen, Guchun <[email protected]> Subject: [PATCH 2/2] 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 <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index e6978b8e2143..31df6bf2dc1f 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, -- 2.17.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
