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drm/amdgpu: handle domain mask checking v2

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if domain is illegal, we should return error.
v2:
  remove duplicated domain checking.

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 18:34:40 +08:00 committed by Alex Deucher
parent aa2b2e2822
commit 3f188453fa
3 changed files with 8 additions and 14 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
View File

@ -229,12 +229,7 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
return -EINVAL;
/* reject invalid gem domains */
if (args->in.domains & ~(AMDGPU_GEM_DOMAIN_CPU |
AMDGPU_GEM_DOMAIN_GTT |
AMDGPU_GEM_DOMAIN_VRAM |
AMDGPU_GEM_DOMAIN_GDS |
AMDGPU_GEM_DOMAIN_GWS |
AMDGPU_GEM_DOMAIN_OA))
if (args->in.domains & ~AMDGPU_GEM_DOMAIN_MASK)
return -EINVAL;
/* create a gem object to contain this object in */

9
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
View File

@ -360,7 +360,6 @@ 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;
@ -381,14 +380,8 @@ 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);
preferred_domains = bp->preferred_domain ? bp->preferred_domain :
bo->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)

6
include/uapi/drm/amdgpu_drm.h
View File

@ -78,6 +78,12 @@ extern "C" {
#define AMDGPU_GEM_DOMAIN_GDS 0x8
#define AMDGPU_GEM_DOMAIN_GWS 0x10
#define AMDGPU_GEM_DOMAIN_OA 0x20
#define AMDGPU_GEM_DOMAIN_MASK (AMDGPU_GEM_DOMAIN_CPU | \
AMDGPU_GEM_DOMAIN_GTT | \
AMDGPU_GEM_DOMAIN_VRAM | \
AMDGPU_GEM_DOMAIN_GDS | \
AMDGPU_GEM_DOMAIN_GWS | \
AMDGPU_GEM_DOMAIN_OA)
/* Flag that CPU access will be required for the case of VRAM domain */
#define AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED (1 << 0)