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| author | Chunming Zhou <david1.zhou@amd.com> | 2018-03-16 12:29:38 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-04-11 13:08:00 -0500 |
| commit | 5a8c102ac471c53da38b2c3c35417e9355d21215 (patch) | |
| tree | cfa0de553f08ea7aa5ed663cc117396b72f75b00 /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | |
| parent | a70cdb9eddcfd4ba20d69b84149b4a38648455ac (diff) | |
| download | op-kernel-dev-5a8c102ac471c53da38b2c3c35417e9355d21215.zip op-kernel-dev-5a8c102ac471c53da38b2c3c35417e9355d21215.tar.gz | |
drm/amdgpu: Don't change preferred domian when fallback GTT v6
v2: add sanity checking
v3: make code open
v4: also handle visible to invisible fallback
v5: Since two fallback cases, re-use goto retry
v6: avoid bo is unref when retry, and only user BO can fallback
Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com> (v5)
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: felix.kuehling@amd.com
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 6d08cde..04d6830 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -356,6 +356,7 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev, unsigned long size, struct amdgpu_bo *bo; unsigned long page_align; size_t acc_size; + u32 domains, preferred_domains, allowed_domains; int r; page_align = roundup(byte_align, PAGE_SIZE) >> PAGE_SHIFT; @@ -369,22 +370,24 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev, unsigned long size, acc_size = ttm_bo_dma_acc_size(&adev->mman.bdev, size, sizeof(struct amdgpu_bo)); + preferred_domains = domain & (AMDGPU_GEM_DOMAIN_VRAM | + AMDGPU_GEM_DOMAIN_GTT | + AMDGPU_GEM_DOMAIN_CPU | + AMDGPU_GEM_DOMAIN_GDS | + AMDGPU_GEM_DOMAIN_GWS | + AMDGPU_GEM_DOMAIN_OA); + allowed_domains = preferred_domains; + if (type != ttm_bo_type_kernel && + allowed_domains == AMDGPU_GEM_DOMAIN_VRAM) + allowed_domains |= AMDGPU_GEM_DOMAIN_GTT; + domains = preferred_domains; +retry: bo = kzalloc(sizeof(struct amdgpu_bo), GFP_KERNEL); if (bo == NULL) return -ENOMEM; drm_gem_private_object_init(adev->ddev, &bo->gem_base, size); INIT_LIST_HEAD(&bo->shadow_list); INIT_LIST_HEAD(&bo->va); - bo->preferred_domains = domain & (AMDGPU_GEM_DOMAIN_VRAM | - AMDGPU_GEM_DOMAIN_GTT | - AMDGPU_GEM_DOMAIN_CPU | - AMDGPU_GEM_DOMAIN_GDS | - AMDGPU_GEM_DOMAIN_GWS | - AMDGPU_GEM_DOMAIN_OA); - bo->allowed_domains = bo->preferred_domains; - if (type != ttm_bo_type_kernel && - bo->allowed_domains == AMDGPU_GEM_DOMAIN_VRAM) - bo->allowed_domains |= AMDGPU_GEM_DOMAIN_GTT; bo->flags = flags; @@ -417,12 +420,20 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev, unsigned long size, #endif bo->tbo.bdev = &adev->mman.bdev; - amdgpu_ttm_placement_from_domain(bo, domain); - + amdgpu_ttm_placement_from_domain(bo, domains); r = ttm_bo_init_reserved(&adev->mman.bdev, &bo->tbo, size, type, &bo->placement, page_align, &ctx, acc_size, NULL, resv, &amdgpu_ttm_bo_destroy); - if (unlikely(r != 0)) + if (unlikely(r && r != -ERESTARTSYS) && type == ttm_bo_type_device) { + if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) { + flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED; + goto retry; + } else if (domains != allowed_domains) { + domains = allowed_domains; + goto retry; + } + } + if (unlikely(r)) return r; if (adev->gmc.visible_vram_size < adev->gmc.real_vram_size && |
