From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Thu, 3 Jun 2021 02:59:12 +0000 (+1000)
Subject: Merge remote-tracking branch 'amdgpu/drm-next'
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=97d9f0d8b80160fffe57dae484e861c4cb8a0ab2;p=users%2Fjedix%2Flinux-maple.git

Merge remote-tracking branch 'amdgpu/drm-next'

# Conflicts:
#	drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
#	drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
---

97d9f0d8b80160fffe57dae484e861c4cb8a0ab2
diff --cc drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index d1bb69a774706,6d737b14f8117..9384ceda5137f
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@@ -92,8 -91,11 +92,11 @@@ void amdgpu_driver_unload_kms(struct dr
  		pm_runtime_forbid(dev->dev);
  	}
  
+ 	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_UNLOAD))
+ 		DRM_WARN("smart shift update failed\n");
+ 
  	amdgpu_acpi_fini(adev);
 -	amdgpu_device_fini(adev);
 +	amdgpu_device_fini_hw(adev);
  }
  
  void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
diff --cc drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 663aa7d2e2ea7,86259435803ec..7cb7ffdd19003
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@@ -459,10 -479,11 +461,11 @@@ static int amdgpu_bo_move(struct ttm_bu
  {
  	struct amdgpu_device *adev;
  	struct amdgpu_bo *abo;
 -	struct ttm_resource *old_mem = &bo->mem;
 +	struct ttm_resource *old_mem = bo->resource;
  	int r;
  
- 	if (new_mem->mem_type == TTM_PL_TT) {
+ 	if (new_mem->mem_type == TTM_PL_TT ||
+ 	    new_mem->mem_type == AMDGPU_PL_PREEMPT) {
  		r = amdgpu_ttm_backend_bind(bo->bdev, bo->ttm, new_mem);
  		if (r)
  			return r;
@@@ -989,8 -1012,9 +995,9 @@@ int amdgpu_ttm_alloc_gart(struct ttm_bu
  			return r;
  		}
  
+ 		amdgpu_gart_invalidate_tlb(adev);
 -		ttm_resource_free(bo, &bo->mem);
 -		bo->mem = tmp;
 +		ttm_resource_free(bo, bo->resource);
 +		ttm_bo_assign_mem(bo, &tmp);
  	}
  
  	return 0;
@@@ -1348,7 -1373,16 +1356,16 @@@ static bool amdgpu_ttm_bo_eviction_valu
  		}
  	}
  
 -	switch (bo->mem.mem_type) {
 +	switch (bo->resource->mem_type) {
+ 	case AMDGPU_PL_PREEMPT:
+ 		/* Preemptible BOs don't own system resources managed by the
+ 		 * driver (pages, VRAM, GART space). They point to resources
+ 		 * owned by someone else (e.g. pageable memory in user mode
+ 		 * or a DMABuf). They are used in a preemptible context so we
+ 		 * can guarantee no deadlocks and good QoS in case of MMU
+ 		 * notifiers or DMABuf move notifiers from the resource owner.
+ 		 */
+ 		return false;
  	case TTM_PL_TT:
  		if (amdgpu_bo_is_amdgpu_bo(bo) &&
  		    amdgpu_bo_encrypted(ttm_to_amdgpu_bo(bo)))
@@@ -1767,8 -1809,13 +1791,9 @@@ void amdgpu_ttm_fini(struct amdgpu_devi
  	amdgpu_bo_free_kernel(&adev->mman.discovery_memory, NULL, NULL);
  	amdgpu_ttm_fw_reserve_vram_fini(adev);
  
 -	if (adev->mman.aper_base_kaddr)
 -		iounmap(adev->mman.aper_base_kaddr);
 -	adev->mman.aper_base_kaddr = NULL;
 -
  	amdgpu_vram_mgr_fini(adev);
  	amdgpu_gtt_mgr_fini(adev);
+ 	amdgpu_preempt_mgr_fini(adev);
  	ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_GDS);
  	ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_GWS);
  	ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_OA);
@@@ -1919,7 -2010,12 +1944,12 @@@ int amdgpu_fill_buffer(struct amdgpu_b
  		return -EINVAL;
  	}
  
 -	if (bo->tbo.mem.mem_type == AMDGPU_PL_PREEMPT) {
++	if (bo->tbo.resource->mem_type == AMDGPU_PL_PREEMPT) {
+ 		DRM_ERROR("Trying to clear preemptible memory.\n");
+ 		return -EINVAL;
+ 	}
+ 
 -	if (bo->tbo.mem.mem_type == TTM_PL_TT) {
 +	if (bo->tbo.resource->mem_type == TTM_PL_TT) {
  		r = amdgpu_ttm_alloc_gart(&bo->tbo);
  		if (r)
  			return r;
diff --cc drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index bcfd4a8d02885,1923f035713a8..625cecd7a51ad
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@@ -657,11 -657,10 +658,11 @@@ void amdgpu_vm_move_to_lru_tail(struct 
  		if (!bo->parent)
  			continue;
  
 -		ttm_bo_move_to_lru_tail(&bo->tbo, &bo->tbo.mem,
 +		ttm_bo_move_to_lru_tail(&bo->tbo, bo->tbo.resource,
  					&vm->lru_bulk_move);
- 		if (bo->shadow)
- 			ttm_bo_move_to_lru_tail(&bo->shadow->tbo,
- 						bo->shadow->tbo.resource,
+ 		if (shadow)
 -			ttm_bo_move_to_lru_tail(&shadow->tbo, &shadow->tbo.mem,
++			ttm_bo_move_to_lru_tail(&shadow->tbo,
++						shadow->tbo.resource,
  						&vm->lru_bulk_move);
  	}
  	spin_unlock(&adev->mman.bdev.lru_lock);
@@@ -1818,11 -1853,12 +1859,12 @@@ int amdgpu_vm_bo_update(struct amdgpu_d
  			struct drm_gem_object *gobj = dma_buf->priv;
  			struct amdgpu_bo *abo = gem_to_amdgpu_bo(gobj);
  
 -			if (abo->tbo.mem.mem_type == TTM_PL_VRAM)
 +			if (abo->tbo.resource->mem_type == TTM_PL_VRAM)
  				bo = gem_to_amdgpu_bo(gobj);
  		}
 -		mem = &bo->tbo.mem;
 +		mem = bo->tbo.resource;
- 		if (mem->mem_type == TTM_PL_TT)
+ 		if (mem->mem_type == TTM_PL_TT ||
+ 		    mem->mem_type == AMDGPU_PL_PREEMPT)
  			pages_addr = bo->tbo.ttm->dma_address;
  	}