drm/amdgpu: code cleanup around gpu reset

Make code more readable.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -4130,7 +4130,8 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
 			      struct amdgpu_job *job)
 {
 	struct list_head device_list, *device_list_handle =  NULL;
-	bool need_full_reset, job_signaled;
+	bool need_full_reset = false;
+	bool job_signaled = false;
 	struct amdgpu_hive_info *hive = NULL;
 	struct amdgpu_device *tmp_adev = NULL;
 	int i, r = 0;
@@ -4151,13 +4152,9 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
 		emergency_restart();
 	}
 
-	need_full_reset = job_signaled = false;
-
 	dev_info(adev->dev, "GPU %s begin!\n",
 		(in_ras_intr && !use_baco) ? "jobs stop":"reset");
 
-	hive = amdgpu_get_xgmi_hive(adev, true);
-
 	/*
 	 * Here we trylock to avoid chain of resets executing from
 	 * either trigger by jobs on different adevs in XGMI hive or jobs on
@@ -4165,7 +4162,7 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
 	 * We always reset all schedulers for device and all devices for XGMI
 	 * hive so that should take care of them too.
 	 */
-
+	hive = amdgpu_get_xgmi_hive(adev, true);
 	if (hive && !mutex_trylock(&hive->reset_lock)) {
 		DRM_INFO("Bailing on TDR for s_job:%llx, hive: %llx as another already in progress",
 			  job ? job->base.id : -1, hive->hive_id);
@@ -4232,7 +4229,6 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
 		}
 	}
 
-
 	if (in_ras_intr && !use_baco)
 		goto skip_sched_resume;
 
@@ -4243,10 +4239,8 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
 	 * job->base holds a reference to parent fence
 	 */
 	if (job && job->base.s_fence->parent &&
-	    dma_fence_is_signaled(job->base.s_fence->parent))
+	    dma_fence_is_signaled(job->base.s_fence->parent)) {
 		job_signaled = true;
-
-	if (job_signaled) {
 		dev_info(adev->dev, "Guilty job already signaled, skipping HW reset");
 		goto skip_hw_reset;
 	}