diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index 34cbd6f6a56b..21d2c8543f85 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -411,3 +411,23 @@ void amdgpu_gmc_tmz_set(struct amdgpu_device *adev) break; } } + +void amdgpu_gmc_set_vm_fault_masks(struct amdgpu_device *adev, int hub_type, + bool enable) +{ + struct amdgpu_vmhub *hub; + u32 tmp, reg, i; + + hub = &adev->vmhub[hub_type]; + for (i = 0; i < 16; i++) { + reg = hub->vm_context0_cntl + hub->ctx_distance * i; + + tmp = RREG32(reg); + if (enable) + tmp |= hub->vm_cntx_cntl_vm_fault; + else + tmp &= ~hub->vm_cntx_cntl_vm_fault; + + WREG32(reg, tmp); + } +} |