1 files changed, 1 insertions, 55 deletions

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index a844e68211ac..fbf053001af9 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -28,7 +28,6 @@
 #include <linux/sched/task.h>
 #include <linux/mmu_context.h>
 #include <linux/slab.h>
-#include <linux/amd-iommu.h>
 #include <linux/notifier.h>
 #include <linux/compat.h>
 #include <linux/mman.h>
@@ -41,7 +40,6 @@ struct mm_struct;
 
 #include "kfd_priv.h"
 #include "kfd_device_queue_manager.h"
-#include "kfd_iommu.h"
 #include "kfd_svm.h"
 #include "kfd_smi_events.h"
 #include "kfd_debug.h"
@@ -1035,10 +1033,9 @@ static void kfd_process_destroy_pdds(struct kfd_process *p)
 			free_pages((unsigned long)pdd->qpd.cwsr_kaddr,
 				get_order(KFD_CWSR_TBA_TMA_SIZE));
 
-		bitmap_free(pdd->qpd.doorbell_bitmap);
 		idr_destroy(&pdd->alloc_idr);
 
-		kfd_free_process_doorbells(pdd->dev->kfd, pdd->doorbell_index);
+		kfd_free_process_doorbells(pdd->dev->kfd, pdd);
 
 		if (pdd->dev->kfd->shared_resources.enable_mes)
 			amdgpu_amdkfd_free_gtt_mem(pdd->dev->adev,
@@ -1123,7 +1120,6 @@ static void kfd_process_wq_release(struct work_struct *work)
 	dma_fence_signal(p->ef);
 
 	kfd_process_remove_sysfs(p);
-	kfd_iommu_unbind_process(p);
 
 	kfd_process_kunmap_signal_bo(p);
 	kfd_process_free_outstanding_kfd_bos(p);
@@ -1550,38 +1546,6 @@ err_alloc_process:
 	return ERR_PTR(err);
 }
 
-static int init_doorbell_bitmap(struct qcm_process_device *qpd,
-			struct kfd_dev *dev)
-{
-	unsigned int i;
-	int range_start = dev->shared_resources.non_cp_doorbells_start;
-	int range_end = dev->shared_resources.non_cp_doorbells_end;
-
-	if (!KFD_IS_SOC15(dev))
-		return 0;
-
-	qpd->doorbell_bitmap = bitmap_zalloc(KFD_MAX_NUM_OF_QUEUES_PER_PROCESS,
-					     GFP_KERNEL);
-	if (!qpd->doorbell_bitmap)
-		return -ENOMEM;
-
-	/* Mask out doorbells reserved for SDMA, IH, and VCN on SOC15. */
-	pr_debug("reserved doorbell 0x%03x - 0x%03x\n", range_start, range_end);
-	pr_debug("reserved doorbell 0x%03x - 0x%03x\n",
-			range_start + KFD_QUEUE_DOORBELL_MIRROR_OFFSET,
-			range_end + KFD_QUEUE_DOORBELL_MIRROR_OFFSET);
-
-	for (i = 0; i < KFD_MAX_NUM_OF_QUEUES_PER_PROCESS / 2; i++) {
-		if (i >= range_start && i <= range_end) {
-			__set_bit(i, qpd->doorbell_bitmap);
-			__set_bit(i + KFD_QUEUE_DOORBELL_MIRROR_OFFSET,
-				  qpd->doorbell_bitmap);
-		}
-	}
-
-	return 0;
-}
-
 struct kfd_process_device *kfd_get_process_device_data(struct kfd_node *dev,
 							struct kfd_process *p)
 {
@@ -1606,11 +1570,6 @@ struct kfd_process_device *kfd_create_process_device_data(struct kfd_node *dev,
 	if (!pdd)
 		return NULL;
 
-	if (init_doorbell_bitmap(&pdd->qpd, dev->kfd)) {
-		pr_err("Failed to init doorbell for process\n");
-		goto err_free_pdd;
-	}
-
 	pdd->dev = dev;
 	INIT_LIST_HEAD(&pdd->qpd.queues_list);
 	INIT_LIST_HEAD(&pdd->qpd.priv_queue_list);
@@ -1766,10 +1725,6 @@ struct kfd_process_device *kfd_bind_process_to_device(struct kfd_node *dev,
 		}
 	}
 
-	err = kfd_iommu_bind_process_to_device(pdd);
-	if (err)
-		goto out;
-
 	/*
 	 * make sure that runtime_usage counter is incremented just once
 	 * per pdd
@@ -1777,15 +1732,6 @@ struct kfd_process_device *kfd_bind_process_to_device(struct kfd_node *dev,
 	pdd->runtime_inuse = true;
 
 	return pdd;
-
-out:
-	/* balance runpm reference count and exit with error */
-	if (!pdd->runtime_inuse) {
-		pm_runtime_mark_last_busy(adev_to_drm(dev->adev)->dev);
-		pm_runtime_put_autosuspend(adev_to_drm(dev->adev)->dev);
-	}
-
-	return ERR_PTR(err);
 }
 
 /* Create specific handle mapped to mem from process local memory idr