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drm/amdgpu: improve amdgpu_bo_create_kernel 

Make allocating the new BO optional.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2017-07-27 14:52:53 +02:00 committed by Alex Deucher
parent ed5b89c69c
commit 53766e5ada
1 changed files with 14 additions and 8 deletions
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22
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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@ -239,15 +239,20 @@ int amdgpu_bo_create_kernel(struct amdgpu_device *adev,
u32 domain, struct amdgpu_bo **bo_ptr,
u64 *gpu_addr, void **cpu_addr)
{
bool free = false;
int r;
r = amdgpu_bo_create(adev, size, align, true, domain,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
NULL, NULL, bo_ptr);
if (r) {
dev_err(adev->dev, "(%d) failed to allocate kernel bo\n", r);
return r;
if (!*bo_ptr) {
r = amdgpu_bo_create(adev, size, align, true, domain,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
NULL, NULL, bo_ptr);
if (r) {
dev_err(adev->dev, "(%d) failed to allocate kernel bo\n",
r);
return r;
}
free = true;
}
r = amdgpu_bo_reserve(*bo_ptr, false);
@ -278,7 +283,8 @@ error_unreserve:
amdgpu_bo_unreserve(*bo_ptr);
error_free:
amdgpu_bo_unref(bo_ptr);
if (free)
amdgpu_bo_unref(bo_ptr);
return r;
}