diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 4bf9805b7028..abb51bd77ca7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1042,6 +1042,14 @@ static bool amdgpu_check_pot_argument(int arg) static void amdgpu_get_block_size(struct amdgpu_device *adev) { + /* from AI, asic starts to support multiple level VMPT */ + if (adev->family >= AMDGPU_FAMILY_AI) { + if (amdgpu_vm_block_size != 9) + dev_warn(adev->dev, "Multi-VMPT limits block size to" + "one page!\n"); + amdgpu_vm_block_size = 9; + return; + } /* defines number of bits in page table versus page directory, * a page is 4KB so we have 12 bits offset, minimum 9 bits in the * page table and the remaining bits are in the page directory */ |