diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c index dea1a64be44d..24ddf6a0512a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c @@ -778,6 +778,27 @@ int amdgpu_vm_pde_update(struct amdgpu_vm_update_params *params, 1, 0, flags); } +/** + * amdgpu_vm_pte_update_noretry_flags - Update PTE no-retry flags + * + * @adev - amdgpu_device pointer + * @flags: pointer to PTE flags + * + * Update PTE no-retry flags when TF is enabled. + */ +static void amdgpu_vm_pte_update_noretry_flags(struct amdgpu_device *adev, + uint64_t *flags) +{ + /* + * Update no-retry flags with the corresponding TF + * no-retry combination. + */ + if ((*flags & AMDGPU_VM_NORETRY_FLAGS) == AMDGPU_VM_NORETRY_FLAGS) { + *flags &= ~AMDGPU_VM_NORETRY_FLAGS; + *flags |= adev->gmc.noretry_flags; + } +} + /* * amdgpu_vm_pte_update_flags - figure out flags for PTE updates * @@ -804,6 +825,16 @@ static void amdgpu_vm_pte_update_flags(struct amdgpu_vm_update_params *params, flags |= AMDGPU_PTE_EXECUTABLE; } + /* + * Update no-retry flags to use the no-retry flag combination + * with TF enabled. The AMDGPU_VM_NORETRY_FLAGS flag combination + * does not work when TF is enabled. So, replace them with + * AMDGPU_VM_NORETRY_FLAGS_TF flag combination which works for + * all cases. + */ + if (level == AMDGPU_VM_PTB) + amdgpu_vm_pte_update_noretry_flags(adev, &flags); + /* APUs mapping system memory may need different MTYPEs on different * NUMA nodes. Only do this for contiguous ranges that can be assumed * to be on the same NUMA node. |