[PATCH] drm/amdgpu: sysfs node disable query error count during gpu reset

[YiPeng Chai]

Sysfs node disable query error count during gpu reset.

Signed-off-by: YiPeng Chai <yipeng.c...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index ac7ded01dad0..ab2e11e1639e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -619,6 +619,7 @@ static const struct file_operations 
amdgpu_ras_debugfs_eeprom_ops = {
 static ssize_t amdgpu_ras_sysfs_read(struct device *dev,
                struct device_attribute *attr, char *buf)
 {
+       int ret;
        struct ras_manager *obj = container_of(attr, struct ras_manager, 
sysfs_attr);
        struct ras_query_if info = {
                .head = obj->head,
@@ -627,7 +628,10 @@ static ssize_t amdgpu_ras_sysfs_read(struct device *dev,
        if (!amdgpu_ras_get_error_query_ready(obj->adev))
                return sysfs_emit(buf, "Query currently inaccessible\n");
 
-       if (amdgpu_ras_query_error_status(obj->adev, &info))
+       ret = amdgpu_ras_query_error_status(obj->adev, &info);
+       if (ret == -EIO) /* gpu reset is ongoing */
+               return sysfs_emit(buf, "Query currently inaccessible\n");
+       else if (ret)
                return -EINVAL;
 
        if (amdgpu_ip_version(obj->adev, MP0_HWIP, 0) != IP_VERSION(11, 0, 2) &&
-- 
2.34.1