[PATCH v2 07/10] drm/amdgpu: Drop delayed reset work handler

[Lijo Lazar]

Drop delayed reset work handler as it is no longer used.

Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h     |  4 --
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 80 -------------------------
 2 files changed, 84 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 348725908cf7..47949c43a335 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -131,10 +131,6 @@ struct amdgpu_mgpu_info {
 	uint32_t			num_gpu;
 	uint32_t			num_dgpu;
 	uint32_t			num_apu;
-
-	/* delayed reset_func for XGMI configuration if necessary */
-	struct delayed_work		delayed_reset_work;
-	bool				pending_reset;
 };
 
 enum amdgpu_ss {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 3dece2e69608..4f644b120df7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -221,8 +221,6 @@ int amdgpu_wbrf = -1;
 int amdgpu_damage_clips = -1; /* auto */
 int amdgpu_umsch_mm_fwlog;
 
-static void amdgpu_drv_delayed_reset_work_handler(struct work_struct *work);
-
 DECLARE_DYNDBG_CLASSMAP(drm_debug_classes, DD_CLASS_TYPE_DISJOINT_BITS, 0,
 			"DRM_UT_CORE",
 			"DRM_UT_DRIVER",
@@ -237,9 +235,6 @@ DECLARE_DYNDBG_CLASSMAP(drm_debug_classes, DD_CLASS_TYPE_DISJOINT_BITS, 0,
 
 struct amdgpu_mgpu_info mgpu_info = {
 	.mutex = __MUTEX_INITIALIZER(mgpu_info.mutex),
-	.delayed_reset_work = __DELAYED_WORK_INITIALIZER(
-			mgpu_info.delayed_reset_work,
-			amdgpu_drv_delayed_reset_work_handler, 0),
 };
 int amdgpu_ras_enable = -1;
 uint amdgpu_ras_mask = 0xffffffff;
@@ -2455,81 +2450,6 @@ amdgpu_pci_shutdown(struct pci_dev *pdev)
 	adev->mp1_state = PP_MP1_STATE_NONE;
 }
 
-/**
- * amdgpu_drv_delayed_reset_work_handler - work handler for reset
- *
- * @work: work_struct.
- */
-static void amdgpu_drv_delayed_reset_work_handler(struct work_struct *work)
-{
-	struct list_head device_list;
-	struct amdgpu_device *adev;
-	int i, r;
-	struct amdgpu_reset_context reset_context;
-
-	memset(&reset_context, 0, sizeof(reset_context));
-
-	mutex_lock(&mgpu_info.mutex);
-	if (mgpu_info.pending_reset == true) {
-		mutex_unlock(&mgpu_info.mutex);
-		return;
-	}
-	mgpu_info.pending_reset = true;
-	mutex_unlock(&mgpu_info.mutex);
-
-	/* Use a common context, just need to make sure full reset is done */
-	reset_context.method = AMD_RESET_METHOD_NONE;
-	set_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags);
-
-	for (i = 0; i < mgpu_info.num_dgpu; i++) {
-		adev = mgpu_info.gpu_ins[i].adev;
-		reset_context.reset_req_dev = adev;
-		r = amdgpu_device_pre_asic_reset(adev, &reset_context);
-		if (r) {
-			dev_err(adev->dev, "GPU pre asic reset failed with err, %d for drm dev, %s ",
-				r, adev_to_drm(adev)->unique);
-		}
-		if (!queue_work(system_unbound_wq, &adev->xgmi_reset_work))
-			r = -EALREADY;
-	}
-	for (i = 0; i < mgpu_info.num_dgpu; i++) {
-		adev = mgpu_info.gpu_ins[i].adev;
-		flush_work(&adev->xgmi_reset_work);
-	}
-
-	/* reset function will rebuild the xgmi hive info , clear it now */
-	for (i = 0; i < mgpu_info.num_dgpu; i++)
-		amdgpu_xgmi_remove_device(mgpu_info.gpu_ins[i].adev);
-
-	INIT_LIST_HEAD(&device_list);
-
-	for (i = 0; i < mgpu_info.num_dgpu; i++)
-		list_add_tail(&mgpu_info.gpu_ins[i].adev->reset_list, &device_list);
-
-	/* unregister the GPU first, reset function will add them back */
-	list_for_each_entry(adev, &device_list, reset_list)
-		amdgpu_unregister_gpu_instance(adev);
-
-	/* Use a common context, just need to make sure full reset is done */
-	set_bit(AMDGPU_SKIP_HW_RESET, &reset_context.flags);
-	set_bit(AMDGPU_SKIP_COREDUMP, &reset_context.flags);
-	r = amdgpu_do_asic_reset(&device_list, &reset_context);
-
-	if (r) {
-		DRM_ERROR("reinit gpus failure");
-		return;
-	}
-	for (i = 0; i < mgpu_info.num_dgpu; i++) {
-		adev = mgpu_info.gpu_ins[i].adev;
-		if (!adev->kfd.init_complete) {
-			kgd2kfd_init_zone_device(adev);
-			amdgpu_amdkfd_device_init(adev);
-			amdgpu_amdkfd_drm_client_create(adev);
-		}
-		amdgpu_ttm_set_buffer_funcs_status(adev, true);
-	}
-}
-
 static int amdgpu_pmops_prepare(struct device *dev)
 {
 	struct drm_device *drm_dev = dev_get_drvdata(dev);
-- 
2.25.1