Merge tag 'amd-drm-next-6.1-2022-09-08' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

amd-drm-next-6.1-2022-09-08:

amdgpu:
- Mode2 reset for RDNA2
- Lots of new DC documentation
- Add documentation about different asic families
- DSC improvements
- Aldebaran fixes
- Misc spelling and grammar fixes
- GFXOFF stats support for vangogh
- DC frame size fixes
- NBIO 7.7 updates
- DCN 3.2 updates
- DCN 3.1.4 Updates
- SMU 13.x updates
- Misc bug fixes
- Rework DC register offset handling
- GC 11.x updates
- PSP 13.x updates
- SDMA 6.x updates
- GMC 11.x updates
- SR-IOV updates
- PSP fixes for TA unloading
- DSC passthrough support
- Misc code cleanups

amdkfd:
- ISA fixes for some GC 10.3 IPs
- Misc code cleanups

radeon:
- Delayed work flush fix
- Use time_after for some jiffies calculations

drm:
- DSC passthrough aux support

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220908155202.57862-1-alexander.deucher@amd.com

1 files changed, 15 insertions, 7 deletions

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index dc774ddf3445..84da1a9ce37c 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -327,6 +327,12 @@ static int kfd_ioctl_create_queue(struct file *filep, struct kfd_process *p,
 		goto err_bind_process;
 	}
 
+	if (!pdd->doorbell_index &&
+	    kfd_alloc_process_doorbells(dev, &pdd->doorbell_index) < 0) {
+		err = -ENOMEM;
+		goto err_alloc_doorbells;
+	}
+
 	/* Starting with GFX11, wptr BOs must be mapped to GART for MES to determine work
 	 * on unmapped queues for usermode queue oversubscription (no aggregated doorbell)
 	 */
@@ -404,6 +410,7 @@ err_create_queue:
 	if (wptr_bo)
 		amdgpu_amdkfd_free_gtt_mem(dev->adev, wptr_bo);
 err_wptr_map_gart:
+err_alloc_doorbells:
 err_bind_process:
 err_pdd:
 	mutex_unlock(&p->mutex);
@@ -869,14 +876,11 @@ static int kfd_ioctl_wait_events(struct file *filp, struct kfd_process *p,
 				void *data)
 {
 	struct kfd_ioctl_wait_events_args *args = data;
-	int err;
 
-	err = kfd_wait_on_events(p, args->num_events,
+	return kfd_wait_on_events(p, args->num_events,
 			(void __user *)args->events_ptr,
 			(args->wait_for_all != 0),
 			&args->timeout, &args->wait_result);
-
-	return err;
 }
 static int kfd_ioctl_set_scratch_backing_va(struct file *filep,
 					struct kfd_process *p, void *data)
@@ -1092,6 +1096,10 @@ static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep,
 			goto err_unlock;
 		}
 		offset = kfd_get_process_doorbells(pdd);
+		if (!offset) {
+			err = -ENOMEM;
+			goto err_unlock;
+		}
 	} else if (flags & KFD_IOC_ALLOC_MEM_FLAGS_MMIO_REMAP) {
 		if (args->size != PAGE_SIZE) {
 			err = -EINVAL;
@@ -2173,6 +2181,8 @@ static int criu_restore_memory_of_gpu(struct kfd_process_device *pdd,
 			return -EINVAL;
 
 		offset = kfd_get_process_doorbells(pdd);
+		if (!offset)
+			return -ENOMEM;
 	} else if (bo_bucket->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_MMIO_REMAP) {
 		/* MMIO BOs need remapped bus address */
 		if (bo_bucket->size != PAGE_SIZE) {
@@ -2847,7 +2857,6 @@ static int kfd_mmio_mmap(struct kfd_dev *dev, struct kfd_process *process,
 		      struct vm_area_struct *vma)
 {
 	phys_addr_t address;
-	int ret;
 
 	if (vma->vm_end - vma->vm_start != PAGE_SIZE)
 		return -EINVAL;
@@ -2867,12 +2876,11 @@ static int kfd_mmio_mmap(struct kfd_dev *dev, struct kfd_process *process,
 		 process->pasid, (unsigned long long) vma->vm_start,
 		 address, vma->vm_flags, PAGE_SIZE);
 
-	ret = io_remap_pfn_range(vma,
+	return io_remap_pfn_range(vma,
 				vma->vm_start,
 				address >> PAGE_SHIFT,
 				PAGE_SIZE,
 				vma->vm_page_prot);
-	return ret;
 }