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path: root/drivers/gpu/drm/amd/amdgpu/aldebaran.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/aldebaran.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/aldebaran.c45
1 files changed, 14 insertions, 31 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/aldebaran.c b/drivers/gpu/drm/amd/amdgpu/aldebaran.c
index c6cc493a5486..2b97b8a96fb4 100644
--- a/drivers/gpu/drm/amd/amdgpu/aldebaran.c
+++ b/drivers/gpu/drm/amd/amdgpu/aldebaran.c
@@ -148,30 +148,22 @@ aldebaran_mode2_perform_reset(struct amdgpu_reset_control *reset_ctl,
struct amdgpu_reset_context *reset_context)
{
struct amdgpu_device *adev = (struct amdgpu_device *)reset_ctl->handle;
+ struct list_head *reset_device_list = reset_context->reset_device_list;
struct amdgpu_device *tmp_adev = NULL;
- struct list_head reset_device_list;
int r = 0;
dev_dbg(adev->dev, "aldebaran perform hw reset\n");
+
+ if (reset_device_list == NULL)
+ return -EINVAL;
+
if (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 2) &&
reset_context->hive == NULL) {
/* Wrong context, return error */
return -EINVAL;
}
- INIT_LIST_HEAD(&reset_device_list);
- if (reset_context->hive) {
- list_for_each_entry (tmp_adev,
- &reset_context->hive->device_list,
- gmc.xgmi.head)
- list_add_tail(&tmp_adev->reset_list,
- &reset_device_list);
- } else {
- list_add_tail(&reset_context->reset_req_dev->reset_list,
- &reset_device_list);
- }
-
- list_for_each_entry (tmp_adev, &reset_device_list, reset_list) {
+ list_for_each_entry(tmp_adev, reset_device_list, reset_list) {
mutex_lock(&tmp_adev->reset_cntl->reset_lock);
tmp_adev->reset_cntl->active_reset = AMD_RESET_METHOD_MODE2;
}
@@ -179,7 +171,7 @@ aldebaran_mode2_perform_reset(struct amdgpu_reset_control *reset_ctl,
* Mode2 reset doesn't need any sync between nodes in XGMI hive, instead launch
* them together so that they can be completed asynchronously on multiple nodes
*/
- list_for_each_entry (tmp_adev, &reset_device_list, reset_list) {
+ list_for_each_entry(tmp_adev, reset_device_list, reset_list) {
/* For XGMI run all resets in parallel to speed up the process */
if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) {
if (!queue_work(system_unbound_wq,
@@ -197,7 +189,7 @@ aldebaran_mode2_perform_reset(struct amdgpu_reset_control *reset_ctl,
/* For XGMI wait for all resets to complete before proceed */
if (!r) {
- list_for_each_entry (tmp_adev, &reset_device_list, reset_list) {
+ list_for_each_entry(tmp_adev, reset_device_list, reset_list) {
if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) {
flush_work(&tmp_adev->reset_cntl->reset_work);
r = tmp_adev->asic_reset_res;
@@ -207,7 +199,7 @@ aldebaran_mode2_perform_reset(struct amdgpu_reset_control *reset_ctl,
}
}
- list_for_each_entry (tmp_adev, &reset_device_list, reset_list) {
+ list_for_each_entry(tmp_adev, reset_device_list, reset_list) {
mutex_unlock(&tmp_adev->reset_cntl->reset_lock);
tmp_adev->reset_cntl->active_reset = AMD_RESET_METHOD_NONE;
}
@@ -339,10 +331,13 @@ static int
aldebaran_mode2_restore_hwcontext(struct amdgpu_reset_control *reset_ctl,
struct amdgpu_reset_context *reset_context)
{
+ struct list_head *reset_device_list = reset_context->reset_device_list;
struct amdgpu_device *tmp_adev = NULL;
- struct list_head reset_device_list;
int r;
+ if (reset_device_list == NULL)
+ return -EINVAL;
+
if (reset_context->reset_req_dev->ip_versions[MP1_HWIP][0] ==
IP_VERSION(13, 0, 2) &&
reset_context->hive == NULL) {
@@ -350,19 +345,7 @@ aldebaran_mode2_restore_hwcontext(struct amdgpu_reset_control *reset_ctl,
return -EINVAL;
}
- INIT_LIST_HEAD(&reset_device_list);
- if (reset_context->hive) {
- list_for_each_entry (tmp_adev,
- &reset_context->hive->device_list,
- gmc.xgmi.head)
- list_add_tail(&tmp_adev->reset_list,
- &reset_device_list);
- } else {
- list_add_tail(&reset_context->reset_req_dev->reset_list,
- &reset_device_list);
- }
-
- list_for_each_entry (tmp_adev, &reset_device_list, reset_list) {
+ list_for_each_entry(tmp_adev, reset_device_list, reset_list) {
dev_info(tmp_adev->dev,
"GPU reset succeeded, trying to resume\n");
r = aldebaran_mode2_restore_ip(tmp_adev);