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drm/amdgpu: set preferred_domain independent of fallback handling 

When GEM needs to fallback to GTT for VRAM BOs we still want the
preferred domain to be untouched so that the BO has a cance to move back
to VRAM in the future.

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chunming Zhou 2018-04-17 11:52:53 +08:00 committed by Alex Deucher
parent 58cd8fbc64
commit aa2b2e2822
3 changed files with 11 additions and 6 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
View File

@ -62,6 +62,7 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
bp.byte_align = alignment;
bp.type = type;
bp.resv = resv;
bp.preferred_domain = initial_domain;
retry:
bp.flags = flags;
bp.domain = initial_domain;

15
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
View File

@ -360,6 +360,7 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
};
struct amdgpu_bo *bo;
unsigned long page_align, size = bp->size;
u32 preferred_domains;
size_t acc_size;
int r;
@ -380,12 +381,14 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
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 = bp->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);
preferred_domains = bp->preferred_domain ? bp->preferred_domain :
bp->domain;
bo->preferred_domains = preferred_domains & (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 (bp->type != ttm_bo_type_kernel &&
bo->allowed_domains == AMDGPU_GEM_DOMAIN_VRAM)

1
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
View File

@ -37,6 +37,7 @@ struct amdgpu_bo_param {
unsigned long size;
int byte_align;
u32 domain;
u32 preferred_domain;
u64 flags;
enum ttm_bo_type type;
struct reservation_object *resv;