drm/amd/amdgpu: Drop the hang limit parameter

The driver doesn't resubmit jobs on hangs any more, hence drop
the hang limit parameter - amdgpu_job_hang_limit, wherever it is used.
Suggested-by: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Kent Russell <kent.russell@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -185,7 +185,6 @@ extern char *amdgpu_disable_cu;
 extern char *amdgpu_virtual_display;
 extern uint amdgpu_pp_feature_mask;
 extern uint amdgpu_force_long_training;
-extern int amdgpu_job_hang_limit;
 extern int amdgpu_lbpw;
 extern int amdgpu_compute_multipipe;
 extern int amdgpu_gpu_recovery;

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

@@ -2365,7 +2365,7 @@ static int amdgpu_device_init_schedulers(struct amdgpu_device *adev)
 		}
 
 		r = drm_sched_init(&ring->sched, &amdgpu_sched_ops,
-				   ring->num_hw_submission, amdgpu_job_hang_limit,
+				   ring->num_hw_submission, 0,
 				   timeout, adev->reset_domain->wq,
 				   ring->sched_score, ring->name,
 				   adev->dev);

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

@@ -157,7 +157,6 @@ char *amdgpu_virtual_display;
  */
 uint amdgpu_pp_feature_mask = 0xfff7bfff;
 uint amdgpu_force_long_training;
-int amdgpu_job_hang_limit;
 int amdgpu_lbpw = -1;
 int amdgpu_compute_multipipe = -1;
 int amdgpu_gpu_recovery = -1; /* auto */
@@ -520,13 +519,6 @@ MODULE_PARM_DESC(virtual_display,
 		 "Enable virtual display feature (the virtual_display will be set like xxxx:xx:xx.x,x;xxxx:xx:xx.x,x)");
 module_param_named(virtual_display, amdgpu_virtual_display, charp, 0444);
 
-/**
- * DOC: job_hang_limit (int)
- * Set how much time allow a job hang and not drop it. The default is 0.
- */
-MODULE_PARM_DESC(job_hang_limit, "how much time allow a job hang and not drop it (default 0)");
-module_param_named(job_hang_limit, amdgpu_job_hang_limit, int ,0444);
-
 /**
  * DOC: lbpw (int)
  * Override Load Balancing Per Watt (LBPW) support (1 = enable, 0 = disable). The default is -1 (auto, enabled).