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drm/amdgpu: gds bo must not be per-vm-bo 

In per-vm-bo case, there could be no bo list.
But gds bo created from user space  must be passed to bo list.
So adding a check to prevent to creat gds bo as per-vm-bo.

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>
hifive-unleashed-5.1
Chunming Zhou 2018-05-30 11:12:08 +08:00 committed by Alex Deucher
parent 01d98506ec
commit ee5309d5f3
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
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@ -236,6 +236,13 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
/* create a gem object to contain this object in */
if (args->in.domains & (AMDGPU_GEM_DOMAIN_GDS |
AMDGPU_GEM_DOMAIN_GWS | AMDGPU_GEM_DOMAIN_OA)) {
if (flags & AMDGPU_GEM_CREATE_VM_ALWAYS_VALID) {
/* if gds bo is created from user space, it must be
* passed to bo list
*/
DRM_ERROR("GDS bo cannot be per-vm-bo\n");
return -EINVAL;
}
flags |= AMDGPU_GEM_CREATE_NO_CPU_ACCESS;
if (args->in.domains == AMDGPU_GEM_DOMAIN_GDS)
size = size << AMDGPU_GDS_SHIFT;